import { useState, useEffect, useRef, useMemo } from 'react'
import type { ReactElement } from 'react'
import { Link, NavLink, Navigate, Routes, Route, useLocation, useNavigate, useParams } from 'react-router-dom'
import AdminPage from './AdminPage'
import QASection from './components/QASection'
import ContactForm from './components/ContactForm'
import { ColossiansStudyIndexPage, ColossiansStudyNotesPage, ColossiansStudySectionPage, StudyLandingPage, StudySignupPage, StudyAccountPage, StudyCommunityPage, StudyDiscussionHubPage, StudyQuizPage, StudyResetPasswordPage, StudyVerifyEmailPage } from './studyPages'
import { SpotifyIcon } from './icons'
import type { SiteContent, StudyProgram, Testimonial, PodcastFeaturedLink } from './content'
import { DEFAULTS, getAllHighlights } from './content'
import { usePageMeta } from './hooks/usePageMeta'
import { useGlobalSearch } from './hooks/useGlobalSearch'
import { GlobalSearch } from './components/GlobalSearch'
import { EpisodeAudioPlayer } from './components/EpisodeAudioPlayer'
import { NuggetsHostPortal } from './components/NuggetsHostPortal'
import { HeaderAccount } from './components/HeaderAccount'
import { ResourcesHub } from './components/ResourcesHub'
import { StoreLink } from './components/StoreLink'
import { BIBLE_BOOKS } from '../shared/bible-books.js'
import './App.css'
import { sendEvent, useScrollDepthTracking, useTimeOnPage, useUTMCapture, useLinkClickTracking, checkAnalyticsConsentResponse } from './analytics'

const CONSENT_KEY = 'vbn_analytics_consent_choice'
const HEADLINER_WIDGET_ID = 'WI_cmou3b4q7000701p0o9qmmcfj'

function ScrollToTop() {
  const { pathname } = useLocation()
  useEffect(() => { window.scrollTo(0, 0) }, [pathname])
  return null
}

function usePageTracking() {
  const location = useLocation()
  const isFirstRun = useRef(true)
  useEffect(() => {
    // The initial hard page load is already counted server-side by the
    // hit-counting middleware in server.js (it sees the raw HTML request).
    // Only client-side route changes (no new HTTP request) need reporting
    // here — otherwise every fresh visit/refresh gets double-counted.
    if (isFirstRun.current) {
      isFirstRun.current = false
      return
    }
    if (localStorage.getItem(CONSENT_KEY) !== 'accepted') return
    const referrer = document.referrer || ''
    const controller = new AbortController()
    const timeout = setTimeout(() => controller.abort(), 5000)
    fetch('/api/analytics/pageview', {
      method: 'POST',
      headers: { 'Content-Type': 'application/json' },
      body: JSON.stringify({ path: location.pathname, referrer }),
      keepalive: true,
      signal: controller.signal,
    }).then(checkAnalyticsConsentResponse).catch(() => {}).finally(() => clearTimeout(timeout))
  }, [location.pathname])
}

function toSpotifyEpisodeEmbedUrl(url: string | undefined): string {
  if (!url) return ''

  try {
    const parsed = new URL(url)
    const host = parsed.hostname.toLowerCase()
    const parts = parsed.pathname.split('/').filter(Boolean)

    if (host === 'open.spotify.com') {
      if (parts[0] === 'embed' && parts[1] === 'episode' && parts[2]) {
        return `https://open.spotify.com/embed/episode/${parts[2]}?utm_source=generator`
      }
      if (parts[0] === 'episode' && parts[1]) {
        return `https://open.spotify.com/embed/episode/${parts[1]}?utm_source=generator`
      }
    }
  } catch {
    return ''
  }

  return ''
}

function isLikelySpotifyEpisodeUrl(url: string | undefined): boolean {
  if (!url) return false
  if (toSpotifyEpisodeEmbedUrl(url)) return true

  try {
    const parsed = new URL(url)
    const host = parsed.hostname.toLowerCase()
    const path = parsed.pathname.toLowerCase()

    if (host === 'creators.spotify.com' && path.includes('/episodes/')) return true
    if (host === 'anchor.fm' && path.includes('/episodes/')) return true
    if (host === 'podcasters.spotify.com' && path.includes('/episodes/')) return true
  } catch {
    return false
  }

  return false
}

function getHomepageFeaturedStudy(content: SiteContent): StudyProgram | null {
  const studies = Array.isArray(content.studies) ? content.studies : []
  if (studies.length === 0) return null
  return studies.find(study => study.showOnHomepage === true)
    ?? studies.find(study => study.status === 'active')
    ?? studies[0]
}

function HeadlinerWidget() {
  const [iframeSrc, setIframeSrc] = useState('')
  const [status, setStatus] = useState<'loading' | 'ready' | 'empty'>('loading')

  useEffect(() => {
    const getDiscoUrl = () => {
      const canonicalHref = document.querySelector('link[rel="canonical"]')?.getAttribute('href')
      const ogUrl = document.querySelector('meta[property="og:url"]')?.getAttribute('content')
      const base = canonicalHref || ogUrl
      if (!base) return window.location.href
      try {
        const parsed = new URL(base)
        return `${parsed.origin}${window.location.pathname}`
      } catch {
        return window.location.href
      }
    }

    const discoUrl = getDiscoUrl()
    const discoTitle = document.querySelector('meta[property="og:title"]')?.getAttribute('content') || document.title
    const src = `https://disco.headliner.link/d/web/widget.html?widgetId=${encodeURIComponent(HEADLINER_WIDGET_ID)}&url=${encodeURIComponent(discoUrl)}&title=${encodeURIComponent(discoTitle)}`

    const sessionId = `SS_siteforge_${Date.now()}_${Math.random().toString(36).slice(2, 10)}`
    const query = new URLSearchParams({
      sessionId,
      url: discoUrl,
      widgetId: HEADLINER_WIDGET_ID,
    })

    fetch(`https://api.headliner.link/api/v1/widget/widget-request?${query.toString()}`)
      .then(r => (r.ok ? r.json() : Promise.reject(new Error('widget request failed'))))
      .then((data: { results?: unknown[] }) => {
        if (Array.isArray(data.results) && data.results.length > 0) {
          setIframeSrc(src)
          setStatus('ready')
          return
        }
        setStatus('empty')
      })
      .catch(() => {
        // If API probing fails, still attempt iframe rendering.
        setIframeSrc(src)
        setStatus('ready')
      })
  }, [])

  return (
    status === 'empty' ? null : (
    <div className="headliner-widget-wrap" aria-label="Featured listening widget">
      {status === 'ready' && iframeSrc && (
        <iframe
          src={iframeSrc}
          title="Featured listening widget"
          loading="lazy"
          className="headliner-widget-frame"
        />
      )}
    </div>
    )
  )
}

function DownloadForm({ endpoint, extraBody, buttonText }: { endpoint: string; extraBody?: Record<string, string>; buttonText: string }) {
  const [fields, setFields] = useState({ firstName: '', lastName: '', email: '' })
  const [subscribe, setSubscribe] = useState(true)
  const [honey, setHoney] = useState('')
  const [status, setStatus] = useState<'idle' | 'submitting' | 'error' | 'success'>('idle')
  const [errorMsg, setErrorMsg] = useState('')
  const [downloadUrl, setDownloadUrl] = useState('')

  function handleChange(e: React.ChangeEvent<HTMLInputElement>) {
    setFields(f => ({ ...f, [e.target.name]: e.target.value }))
  }

  async function handleSubmit(e: React.FormEvent) {
    e.preventDefault()
    setStatus('submitting')
    setErrorMsg('')
    setDownloadUrl('')

    try {
      const res = await fetch(endpoint, {
        method: 'POST',
        headers: { 'Content-Type': 'application/json' },
        body: JSON.stringify({ ...extraBody, ...fields, subscribe, _honey: honey }),
      })

      const data = await res.json().catch(() => ({})) as { message?: string; downloadUrl?: string }
      if (!res.ok || !data.downloadUrl) {
        setErrorMsg(data.message ?? 'Could not process your request. Please try again.')
        setStatus('error')
        return
      }

      setStatus('success')
      setDownloadUrl(data.downloadUrl)
      window.location.assign(data.downloadUrl)
    } catch {
      setErrorMsg('Could not connect. Please try again later.')
      setStatus('error')
    }
  }

  return (
    <form className="study-download-form" onSubmit={handleSubmit} noValidate>
      <input
        type="text"
        className="contact-honeypot"
        tabIndex={-1}
        autoComplete="off"
        aria-hidden="true"
        value={honey}
        onChange={e => setHoney(e.target.value)}
      />
      <div className="study-download-grid">
        <label>
          First Name
          <input type="text" name="firstName" required autoComplete="given-name" value={fields.firstName} onChange={handleChange} />
        </label>
        <label>
          Last Name
          <input type="text" name="lastName" required autoComplete="family-name" value={fields.lastName} onChange={handleChange} />
        </label>
        <label>
          Email
          <input type="email" name="email" required autoComplete="email" value={fields.email} onChange={handleChange} />
        </label>
      </div>
      <label className="contact-consent">
        <input
          type="checkbox"
          checked={subscribe}
          onChange={e => setSubscribe(e.target.checked)}
        />
        <span>Subscribe me to updates from Verse by Verse with Nate.</span>
      </label>
      {status === 'error' && <p className="contact-error">{errorMsg}</p>}
      {status === 'success' && (
        <p className="study-download-success">
          Your download should start now.{' '}
          {downloadUrl && <a href={downloadUrl}>Click here if it does not start automatically.</a>}
        </p>
      )}
      <button type="submit" className="btn-primary" disabled={status === 'submitting'}>
        {status === 'submitting' ? 'Preparing Download...' : buttonText}
      </button>
    </form>
  )
}

function StudyDownloadForm({ buttonText = 'Download Guide' }: { buttonText?: string }) {
  return <DownloadForm endpoint="/api/study-downloads/titus" buttonText={buttonText} />
}

function ResourceDownloadForm({ resourceId, buttonText }: { resourceId: string; buttonText: string }) {
  return <DownloadForm endpoint="/api/resource-download" extraBody={{ resourceId }} buttonText={buttonText} />
}

function buildCustomResourceDownloadId(id: string) {
  return `custom:${id}`
}

function buildCustomDownloadPageId(id: string) {
  return `custom--${id}`
}

interface DownloadPageResource {
  id: string
  label: string
  imageUrl?: string
  summary: string
  tags: string[]
  buttonText: string
  resourceId: string
  amazonUrl?: string
  amazonLabel?: string
  appleBooksUrl?: string
  appleBooksLabel?: string
  isPrimaryGuide?: boolean
}

function resolveDownloadPageResource(content: SiteContent, pageId: string | undefined): DownloadPageResource | null {
  if (!pageId) return null

  if (pageId === 'primary-guide') {
    return {
      id: 'primary-guide',
      label: content.studyGuideTitle || 'Companion Study Guide',
      imageUrl: content.seriesImageUrl || '/images/titus-cover.png',
      summary: content.studyGuideDescription || 'Complete the short form below and your download will start right away.',
      tags: [],
      buttonText: `Download ${content.studyGuideTitle || 'Guide'}`,
      resourceId: 'primary-guide',
      amazonUrl: content.studyGuideUrl,
      amazonLabel: content.studyGuideAmazonButtonLabel,
      appleBooksUrl: content.studyGuideAppleBooksUrl,
      appleBooksLabel: content.studyGuideAppleBooksLabel,
      isPrimaryGuide: true,
    }
  }

  // Companion guide of the second series, or one kept on a finished book
  const guideSource = pageId === 'second-guide'
    ? { guide: content.secondSeries?.guide, imageUrl: content.secondSeries?.imageUrl, resourceId: 'guide:second' }
    : pageId.startsWith('book-guide--')
      ? (() => {
          const book = (content.finishedBooks ?? []).find(item => item.id === pageId.slice('book-guide--'.length))
          return { guide: book?.guide, imageUrl: book?.imageUrl, resourceId: `guide:book:${book?.id ?? ''}` }
        })()
      : null
  if (guideSource) {
    const guide = guideSource.guide
    if (!guide?.title) return null
    return {
      id: pageId,
      label: guide.title,
      imageUrl: guideSource.imageUrl,
      summary: guide.description || 'Complete the short form below and your download will start right away.',
      tags: [],
      buttonText: `Download ${guide.title}`,
      resourceId: guideSource.resourceId,
      amazonUrl: guide.amazonUrl,
      amazonLabel: guide.amazonLabel,
      appleBooksUrl: guide.appleBooksUrl,
      appleBooksLabel: guide.appleBooksLabel,
    }
  }

  if (pageId.startsWith('custom--')) {
    const customId = pageId.slice('custom--'.length)
    const resource = (content.customLinks ?? []).find(link => link.id === customId && link.placement === 'resources')
    if (!resource) return null

    return {
      id: pageId,
      label: resource.label,
      imageUrl: resource.imageUrl,
      summary: resource.description || 'Complete the short form below and your download will start right away.',
      tags: resource.tags ?? [],
      buttonText: `Download ${resource.label}`,
      resourceId: buildCustomResourceDownloadId(resource.id),
      amazonUrl: resource.amazonUrl,
      amazonLabel: resource.amazonLabel,
      appleBooksUrl: resource.appleBooksUrl,
      appleBooksLabel: resource.appleBooksLabel,
    }
  }

  return null
}

function AnalyticsConsentBanner({ content }: { content: SiteContent }) {
  const [choice, setChoice] = useState<'unknown' | 'accepted' | 'declined'>(() => {
    const saved = localStorage.getItem(CONSENT_KEY)
    if (saved === 'accepted' || saved === 'declined') return saved
    return 'unknown'
  })

  async function sendChoice(consent: boolean) {
    await fetch('/api/analytics-consent', {
      method: 'POST',
      headers: { 'Content-Type': 'application/json' },
      body: JSON.stringify({ consent }),
    })
  }

  async function accept() {
    setChoice('accepted')
    localStorage.setItem(CONSENT_KEY, 'accepted')
    try {
      await sendChoice(true)
    } catch {
      // Keep local preference even if network fails.
    }
  }

  async function decline() {
    setChoice('declined')
    localStorage.setItem(CONSENT_KEY, 'declined')
    try {
      await sendChoice(false)
    } catch {
      // Keep local preference even if network fails.
    }
  }

  if (choice !== 'unknown') return null

  return (
    <div className="consent-banner" role="region" aria-label="Analytics consent">
      <p>{content.cookieBannerText || 'We use optional analytics cookies to measure visits and location trends for site improvement.'}</p>
      <div className="consent-actions">
        <button type="button" className="btn-primary" onClick={accept}>Accept</button>
        <button type="button" className="btn-secondary" onClick={decline}>Decline</button>
      </div>
    </div>
  )
}

function SiteSearchBar({ content }: { content: SiteContent }) {
  const { query, setQuery, results } = useGlobalSearch(content)
  return (
    <div className="site-search-bar">
      <div className="site-search-bar-inner">
        <GlobalSearch query={query} setQuery={setQuery} results={results} />
      </div>
    </div>
  )
}

function SiteHeader({ content }: { content: SiteContent }) {
  const [menuOpen, setMenuOpen] = useState(false)
  const [episodesOpen, setEpisodesOpen] = useState(false)
  const [studiesOpen, setStudiesOpen] = useState(false)
  const dropdownRef = useRef<HTMLDivElement>(null)
  const studiesDropdownRef = useRef<HTMLDivElement>(null)
  const headerRef = useRef<HTMLElement>(null)
  const spotifyUrl = content.platformSpotifyUrl || '/spotify'
  const location = useLocation()
  const episodesActive = location.pathname.startsWith('/episodes') || location.pathname.startsWith('/finished') || location.pathname.startsWith('/nuggets')
  const studiesActive = location.pathname.startsWith('/study') || location.pathname === '/scripture'

  // The pinned search bar sits just under the header, whatever height the header is at this screen size
  useEffect(() => {
    const header = headerRef.current
    if (!header) return
    const update = () => document.documentElement.style.setProperty('--site-header-h', `${header.getBoundingClientRect().height}px`)
    update()
    const observer = new ResizeObserver(update)
    observer.observe(header)
    return () => observer.disconnect()
  }, [])

  useEffect(() => {
    function handleOutsideClick(e: MouseEvent) {
      if (dropdownRef.current && !dropdownRef.current.contains(e.target as Node)) {
        setEpisodesOpen(false)
      }
      if (studiesDropdownRef.current && !studiesDropdownRef.current.contains(e.target as Node)) {
        setStudiesOpen(false)
      }
    }
    if (episodesOpen || studiesOpen) document.addEventListener('mousedown', handleOutsideClick)
    return () => document.removeEventListener('mousedown', handleOutsideClick)
  }, [episodesOpen, studiesOpen])

  return (
    <header className="site-header" ref={headerRef}>
      <div className="header-inner">
        <Link to="/" className="header-logo" aria-label="Home">
          <img src="/book_icon.png" alt="" className="header-logo-img" />
        </Link>
        <button
          type="button"
          className="header-menu-btn"
          aria-expanded={menuOpen}
          aria-controls="site-nav"
          onClick={() => setMenuOpen(open => !open)}
        >
          {menuOpen ? 'Close' : 'Menu'}
        </button>
        <nav id="site-nav" className={`header-nav ${menuOpen ? 'header-nav--open' : ''}`}>
          {/* Episodes dropdown */}
          <div ref={dropdownRef} className={`nav-dropdown${episodesOpen ? ' nav-dropdown--open' : ''}`}>
            <div className="nav-dropdown-trigger">
              <NavLink to="/episodes" className={`nav-dropdown-label${episodesActive ? ' header-nav-link--active' : ''}`} onClick={() => { setMenuOpen(false); setEpisodesOpen(false) }}>Episodes</NavLink>
              <button type="button" className="nav-dropdown-caret" onClick={() => setEpisodesOpen(o => !o)} aria-expanded={episodesOpen} aria-label="Episodes menu">
                <span aria-hidden="true">{episodesOpen ? '▴' : '▾'}</span>
              </button>
            </div>
            <div className="nav-dropdown-menu">
              <div className="nav-dropdown-menu-inner">
                <NavLink to="/episodes" className={({ isActive }) => `nav-dropdown-item${isActive ? ' nav-dropdown-item--active' : ''}`} onClick={() => { setMenuOpen(false); setEpisodesOpen(false) }}>Current Series</NavLink>
                <NavLink to="/finished" className={({ isActive }) => `nav-dropdown-item${isActive ? ' nav-dropdown-item--active' : ''}`} onClick={() => { setMenuOpen(false); setEpisodesOpen(false) }}>Finished Books</NavLink>
                <NavLink to="/nuggets" className={({ isActive }) => `nav-dropdown-item${isActive ? ' nav-dropdown-item--active' : ''}`} onClick={() => { setMenuOpen(false); setEpisodesOpen(false) }}>Nuggets</NavLink>
              </div>
            </div>
          </div>
          <NavLink to="/questions" className={({ isActive }) => `header-nav-link${isActive ? ' header-nav-link--active' : ''}`} onClick={() => setMenuOpen(false)}>Q&amp;A</NavLink>
          {/* Studies dropdown */}
          <div ref={studiesDropdownRef} className={`nav-dropdown${studiesOpen ? ' nav-dropdown--open' : ''}`}>
            <div className="nav-dropdown-trigger">
              <NavLink to="/study" className={`nav-dropdown-label${studiesActive ? ' header-nav-link--active' : ''}`} onClick={() => { setMenuOpen(false); setStudiesOpen(false) }}>Studies</NavLink>
              <button type="button" className="nav-dropdown-caret" onClick={() => setStudiesOpen(o => !o)} aria-expanded={studiesOpen} aria-label="Studies menu">
                <span aria-hidden="true">{studiesOpen ? '▴' : '▾'}</span>
              </button>
            </div>
            <div className="nav-dropdown-menu">
              <div className="nav-dropdown-menu-inner">
                <NavLink to="/study" className={({ isActive }) => `nav-dropdown-item${isActive ? ' nav-dropdown-item--active' : ''}`} onClick={() => { setMenuOpen(false); setStudiesOpen(false) }}>All Studies</NavLink>
                <NavLink to="/study/discussion" className={({ isActive }) => `nav-dropdown-item${isActive ? ' nav-dropdown-item--active' : ''}`} onClick={() => { setMenuOpen(false); setStudiesOpen(false) }}>Discussion</NavLink>
                <NavLink to="/scripture" className={({ isActive }) => `nav-dropdown-item${isActive ? ' nav-dropdown-item--active' : ''}`} onClick={() => { setMenuOpen(false); setStudiesOpen(false) }}>Scripture Index</NavLink>
              </div>
            </div>
          </div>
          <NavLink to="/resources" className={({ isActive }) => `header-nav-link${isActive ? ' header-nav-link--active' : ''}`} onClick={() => setMenuOpen(false)}>Resources</NavLink>
          <NavLink to="/about" className={({ isActive }) => `header-nav-link${isActive ? ' header-nav-link--active' : ''}`} onClick={() => setMenuOpen(false)}>About</NavLink>
          <NavLink to="/contact" className={({ isActive }) => `header-nav-link${isActive ? ' header-nav-link--active' : ''}`} onClick={() => setMenuOpen(false)}>Contact</NavLink>
          <a
            href={spotifyUrl}
            target="_blank"
            rel="noreferrer"
            className="header-cta"
          >
            <SpotifyIcon />
            {content.headerFollowLabel || 'Follow on Spotify'}
          </a>
        </nav>
        <HeaderAccount />
      </div>
    </header>
  )
}

function SiteFooter({ content }: { content: SiteContent }) {
  const spotifyUrl = content.platformSpotifyUrl || '/spotify'
  const appleUrl = content.platformAppleUrl || '/apple'
  const youtubeUrl = content.platformYoutubeUrl || 'https://www.youtube.com/@blackzebraem5558'
  const amazonUrl = content.platformAmazonUrl || '/amazon'
  const creatorUrl = content.platformCreatorUrl || 'https://creators.spotify.com/pod/profile/nmemmert/'
  const facebookUrl = content.platformFacebookUrl || 'https://facebook.com/versebyversewithnate'
  const kofiUrl = content.platformKofiUrl
  const extraFooterLinks = (content.customLinks ?? []).filter(
    l => l.placement === 'footer' || l.placement === 'platforms' || l.placement === 'otherSites',
  )

  return (
    <footer className="site-footer">
      <p className="footer-ornament">✦ &nbsp; ✦ &nbsp; ✦</p>
      <p className="footer-title">{content.footerTitle || 'Verse by Verse with Nate'}</p>
      <p className="footer-sub">{content.footerSubtitle || 'A Journey Through Scripture'}</p>
      {content.footerEmail && (
        <p className="footer-contact">
          Contact:{' '}
          <a href={`mailto:${content.footerEmail}`}>{content.footerEmail}</a>
        </p>
      )}
      <nav className="footer-links" aria-label="Footer links">
        <a href={spotifyUrl} target="_blank" rel="noreferrer">Spotify</a>
        <span aria-hidden="true">·</span>
        <a href={appleUrl} target="_blank" rel="noreferrer">Apple Podcasts</a>
        <span aria-hidden="true">·</span>
        <a href={youtubeUrl} target="_blank" rel="noreferrer">YouTube</a>
        <span aria-hidden="true">·</span>
        <a href={amazonUrl} target="_blank" rel="noreferrer">Amazon Music</a>
        <span aria-hidden="true">·</span>
        <a href={creatorUrl} target="_blank" rel="noreferrer">Creator Profile</a>
        <span aria-hidden="true">·</span>
        <a href={facebookUrl} target="_blank" rel="noreferrer">Facebook</a>
        {kofiUrl && (
          <>
            <span aria-hidden="true">·</span>
            <a href={kofiUrl} target="_blank" rel="noreferrer">Support on Ko-fi</a>
          </>
        )}
        {extraFooterLinks.length > 0 && (
          <>
            <span aria-hidden="true">·</span>
            <details className="footer-more-links">
              <summary>More Links</summary>
              <div className="footer-more-links-menu">
                {extraFooterLinks.map(link => (
                  <a key={link.id} href={link.url} target="_blank" rel="noreferrer">{link.label}</a>
                ))}
              </div>
            </details>
          </>
        )}
      </nav>
      <nav className="footer-links footer-links--legal" aria-label="Legal links">
        <Link to="/finished">Finished Books</Link>
        <span aria-hidden="true">·</span>
        <Link to="/subscribe">Newsletter</Link>
        <span aria-hidden="true">·</span>
        <Link to="/privacy">Privacy Policy</Link>
        <span aria-hidden="true">·</span>
        <Link to="/terms">Terms</Link>
      </nav>
      <p className="footer-copy">{content.footerCopyright || '© 2026 Nate Emmert · Made with faith.'}</p>
      {content.footerPrivacyNote && (
        <p className="footer-privacy">{content.footerPrivacyNote}</p>
      )}
    </footer>
  )
}

function PlatformButtons({ content }: { content: SiteContent }) {
  const spotifyUrl = content.platformSpotifyUrl || '/spotify'
  const youtubeUrl = content.platformYoutubeUrl || 'https://www.youtube.com/@blackzebraem5558'
  const amazonUrl = content.platformAmazonUrl || '/amazon'
  const facebookUrl = content.platformFacebookUrl || 'https://facebook.com/versebyversewithnate'
  const appleUrl = content.platformAppleUrl || '/apple'

  return (
    <div className="platform-buttons">
      <a href={appleUrl} target="_blank" rel="noreferrer" className="platform-btn platform-btn-image">
        <img src="/images/apple-podcasts-badge.svg" alt="Listen on Apple Podcasts" className="platform-badge" />
      </a>
      <a href={spotifyUrl} target="_blank" rel="noreferrer" className="platform-btn platform-btn-image">
        <img src="/images/listen-on-spotify.svg" alt="Listen on Spotify" className="platform-badge" />
      </a>
      <a href={youtubeUrl} target="_blank" rel="noreferrer" className="platform-btn platform-btn-image">
        <img src="/images/watch-on-youtube.svg" alt="Watch on YouTube" className="platform-badge" />
      </a>
      <a href={amazonUrl} target="_blank" rel="noreferrer" className="platform-btn platform-btn-image">
        <img src="/images/listen-on-amazon-music.svg" alt="Listen on Amazon Music" className="platform-badge" />
      </a>
      <a href={facebookUrl} target="_blank" rel="noreferrer" className="platform-btn platform-btn-image">
        <img src="/images/follow-on-facebook.svg" alt="Follow on Facebook" className="platform-badge" />
      </a>
      {(content.customLinks ?? []).filter(l => l.placement === 'platforms').map(l => (
        <a
          key={l.id}
          href={l.url}
          target="_blank"
          rel="noreferrer"
          className={`platform-btn ${l.imageUrl ? 'platform-btn-image' : 'custom-btn'}`}
          aria-label={`Listen on ${l.label}`}
        >
          {l.imageUrl
            ? <img src={l.imageUrl} alt={`Listen on ${l.label}`} className="platform-badge" />
            : l.label}
        </a>
      ))}
    </div>
  )
}

function KofiSupportSection({ content }: { content: SiteContent }) {
  const kofiUrl = content.platformKofiUrl
  const qrUrl = content.platformKofiQrUrl
  if (!kofiUrl && !qrUrl) return null
  return (
    <section className="cx-support" aria-label="Support the show">
      <div className="section-inner">
       <div className="cx-support-card">
        <div className="cx-support-copy">
          <p className="eyebrow">Support the Ministry</p>
          <h2>Help Keep the Word Going</h2>
          <p>
            This podcast and its study resources are listener-supported. If God has used this ministry in your life,
            consider buying me a coffee. It goes straight toward keeping the teaching free for everyone.
          </p>
          {kofiUrl && (
            <a href={kofiUrl} target="_blank" rel="noreferrer" className="kofi-btn">
              ☕ Support on Ko-fi
            </a>
          )}
        </div>
        {qrUrl && (
          <figure className="cx-support-qr">
            <img src={qrUrl} alt="Ko-fi donation QR code" />
            <figcaption>Scan to give on Ko-fi</figcaption>
          </figure>
        )}
       </div>
      </div>
    </section>
  )
}

function AboutSection({ content }: { content: SiteContent }) {
  const paths = [
    { to: '/start-here', title: 'New here?', text: 'A short path through the show, one step at a time.' },
    { to: '/episodes', title: 'Listen', text: 'Every episode, newest first.' },
    { to: '/study', title: 'Study with us', text: 'Self-paced Bible studies with notes and discussion.' },
  ]
  return (
    <section className="ab-section" aria-label="About the show">
      <div className="section-inner">
        <div className="ab-intro">
          <img
            src={content.aboutPhotoUrl || '/images/nate-photo.jpeg'}
            alt="Nate Emmert"
            className="ab-photo"
          />
          <div className="ab-intro-copy">
            <p className="eyebrow">{content.aboutEyebrow || 'About Nate'}</p>
            <p className="ab-bio">{content.aboutNate}</p>
            <div className="ab-cta-row">
              <Link to="/episodes" className="btn-primary">{content.aboutListenBtnLabel || 'Listen Now ↓'}</Link>
              <Link to="/start-here" className="btn-secondary">New here? Start here</Link>
            </div>
          </div>
        </div>

        <div className="ab-show">
          <div className="ab-show-copy">
            {content.aboutShowEyebrow && <p className="eyebrow">{content.aboutShowEyebrow}</p>}
            <h2>{content.aboutShowHeading}</h2>
            <p>{content.aboutShowP1}</p>
            <p>{content.aboutShowP2}</p>
          </div>
          <img
            src={content.aboutVerseArtUrl || '/images/hebrews-4-12-verse-art.png'}
            alt="Hebrews 4:12 verse artwork"
            className="ab-verse-art"
            loading="lazy"
          />
        </div>

        <div className="ab-paths">
          {paths.map(p => (
            <Link key={p.to} to={p.to} className="ab-path">
              <span className="ab-path-title">{p.title}</span>
              <span className="ab-path-text">{p.text}</span>
              <span className="ab-path-go">Go →</span>
            </Link>
          ))}
        </div>
      </div>
    </section>
  )
}


function ContactSection({ content }: { content: SiteContent }) {
  const point = (text: string, icon: ReactElement) => (
    <div className="cx-point">
      {icon}
      <span>{text}</span>
    </div>
  )
  return (
    <section className="cx-section" id="contact" aria-label="Contact form">
      <div className="section-inner cx-layout">
        <aside className="cx-side">
          <div className="cx-profile">
            <img
              src={content.contactPhotoUrl || '/images/nate-contact-photo.png'}
              alt={content.contactName || 'Nate'}
              className="cx-photo"
            />
            <div>
              <p className="cx-name">{content.contactName || 'Nate'}</p>
              <p className="cx-role">{content.contactRole || 'Bible teacher · Lynchburg, VA'}</p>
            </div>
          </div>

          {content.contactQuote && <blockquote className="cx-quote">&ldquo;{content.contactQuote}&rdquo;</blockquote>}
          {content.contactIntro && <p className="cx-intro">{content.contactIntro}</p>}

          {(content.contactPoint1 || content.contactPoint2) && (
            <div className="cx-points" aria-label="Contact response details">
              {content.contactPoint1 && point(content.contactPoint1, (
                <svg width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="currentColor" strokeWidth="2" strokeLinecap="round" strokeLinejoin="round" aria-hidden="true">
                  <path d="M21 15a2 2 0 0 1-2 2H7l-4 4V5a2 2 0 0 1 2-2h14a2 2 0 0 1 2 2z" />
                </svg>
              ))}
              {content.contactPoint2 && point(content.contactPoint2, (
                <svg width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="currentColor" strokeWidth="2" strokeLinecap="round" strokeLinejoin="round" aria-hidden="true">
                  <circle cx="12" cy="12" r="10" />
                  <polyline points="12 6 12 12 16 14" />
                </svg>
              ))}
            </div>
          )}

          {content.contactVerse && (
            <p className="cx-verse">
              &ldquo;{content.contactVerse}&rdquo; <span>{content.contactVerseRef}</span>
            </p>
          )}

          <Link to="/questions" className="cx-qa-link">Browse answered questions →</Link>
        </aside>

        <div className="cx-form-card">
          <ContactForm />
        </div>
      </div>
    </section>
  )
}

function HighlightCard({ link }: { link: PodcastFeaturedLink }) {
  const hasRichContent = !!(
    link.embedUrl
    || isLikelySpotifyEpisodeUrl(link.url)
    || (link.discussionQuestions ?? []).length > 0
    || link.showNotes
    || link.showNotesSummary
    || (link.showNotesThemes ?? []).length > 0
    || (link.showNotesScripture ?? []).length > 0
    || (link.showNotesQuotes ?? []).length > 0
    || (link.showNotesResources ?? []).length > 0
  )
  const inner = (
    <>
      <div className="episode-card-meta">
        {link.episodeNumber && <span className="episode-number">Ep. {link.episodeNumber}</span>}
      </div>
      <h3 className="episode-title">{link.title || link.url}</h3>
      {link.summary && <p className="episode-desc">{link.summary}</p>}
      <span className="episode-listen-cta">Listen →</span>
    </>
  )
  if (!hasRichContent && link.url) {
    return <a href={link.url} target="_blank" rel="noreferrer" className="episode-card">{inner}</a>
  }
  return <Link to={`/episodes/${link.id}`} className="episode-card">{inner}</Link>
}

const HIGHLIGHTS_PREVIEW_COUNT = 6

// Highlights are grouped by the series they belong to, one tab per series, so a long series
// never pushes the others down the page. Each tab previews the newest few with a "show all" option.
function PodcastHighlightsSection({ content }: { content: SiteContent }) {
  const [activeKey, setActiveKey] = useState('')
  const [expanded, setExpanded] = useState<Record<string, boolean>>({})
  const links = [...(content.podcastFeaturedLinks ?? [])].reverse()
  if (links.length === 0) return null

  const laneOf = (link: PodcastFeaturedLink) => (link.lane === 'second' ? 'second' : link.lane === 'general' ? 'general' : 'primary')
  const groups = [
    { key: 'primary', title: content.seriesTitle, links: links.filter(link => laneOf(link) === 'primary') },
    { key: 'second', title: content.secondSeries?.title?.trim() || 'Second Series', links: links.filter(link => laneOf(link) === 'second') },
    { key: 'general', title: 'More Highlights', links: links.filter(link => laneOf(link) === 'general') },
  ].filter(group => group.links.length > 0)
  const active = groups.find(group => group.key === activeKey) ?? groups[0]
  const isExpanded = expanded[active.key] === true
  const shown = isExpanded ? active.links : active.links.slice(0, HIGHLIGHTS_PREVIEW_COUNT)

  return (
    <section className="section-resources" aria-label="Podcast highlights">
      <div className="section-inner">
        <h2 className="section-heading">
          <span className="ornament">✦</span> Podcast Highlights{' '}
          <span className="ornament">✦</span>
        </h2>
        {groups.length > 1 && (
          <div className="highlight-tabs" role="tablist" aria-label="Highlights by series">
            {groups.map(group => (
              <button
                key={group.key}
                type="button"
                role="tab"
                aria-selected={group.key === active.key}
                className={`highlight-tab${group.key === active.key ? ' highlight-tab--active' : ''}`}
                onClick={() => setActiveKey(group.key)}
              >
                {group.title} <span className="highlight-tab-count">{group.links.length}</span>
              </button>
            ))}
          </div>
        )}
        <div className="episode-list">
          {shown.map(link => <HighlightCard key={link.id} link={link} />)}
        </div>
        {active.links.length > HIGHLIGHTS_PREVIEW_COUNT && (
          <div className="highlight-more">
            <button type="button" className="btn-secondary" onClick={() => setExpanded(prev => ({ ...prev, [active.key]: !isExpanded }))}>
              {isExpanded ? 'Show fewer' : `Show all ${active.links.length} highlights`}
            </button>
          </div>
        )}
      </div>
    </section>
  )
}

function PageBanner({ eyebrow, title, desc }: { eyebrow: string; title: string; desc?: string }) {
  return (
    <section className="section-page-banner" aria-label={title}>
      <div className="section-inner page-banner-inner">
        <p className="eyebrow">{eyebrow}</p>
        <h1 className="page-banner-title">{title}</h1>
        {desc && <p className="page-banner-desc">{desc}</p>}
      </div>
    </section>
  )
}

function DownloadDetailPage({ content }: { content: SiteContent }) {
  const { id } = useParams<{ id: string }>()
  const resource = resolveDownloadPageResource(content, id)
  const siteTitle = content.seo?.title || DEFAULTS.seo.title
  usePageMeta(
    resource ? `${resource.label} | ${siteTitle}` : `Resource | ${siteTitle}`,
    resource?.summary || 'Free study guides and resources from Verse by Verse with Nate.',
  )

  if (!resource) {
    return (
      <main className="thanks-page" aria-label="Download not found">
        <div className="thanks-card">
          <p className="eyebrow">Resources</p>
          <h1>Download not found</h1>
          <p>The download you requested is not available right now.</p>
          <Link to="/resources" className="btn-primary">Back to Resources</Link>
        </div>
      </main>
    )
  }

  return (
    <div className="site">
      <SiteHeader content={content} />
      <SiteSearchBar content={content} />
      <main className="dl-page" aria-label={resource.label}>
        <div className="section-inner">
          <Link to="/resources" className="dl-back">← Back to Resources</Link>
          <article className="dl-card">
            {resource.imageUrl && (
              <div className="dl-art">
                <img src={resource.imageUrl} alt={resource.label} />
              </div>
            )}
            <div className="dl-body">
              <p className="eyebrow">Free download</p>
              <h1>{resource.label}</h1>
              {resource.summary && <p className="dl-summary">{resource.summary}</p>}
              {resource.tags.length > 0 && (
                <div className="dl-tags">
                  {resource.tags.map(tag => <span key={tag} className="dl-tag">{tag}</span>)}
                </div>
              )}

              <div className="dl-form">
                {/* The title is already on the page, so the button stays short */}
                {resource.isPrimaryGuide
                  ? <StudyDownloadForm buttonText="Download now" />
                  : <ResourceDownloadForm resourceId={resource.resourceId} buttonText="Download now" />}
              </div>

              {(resource.amazonUrl || resource.appleBooksUrl) && (
                <div className="dl-actions">
                  <span>Or get it from:</span>
                  {resource.amazonUrl && (
                    <StoreLink source={`page:${resource.id}`} store="amazon" href={resource.amazonUrl} gated={content.gateStoreLinks !== false} className="btn-secondary">
                      {resource.amazonLabel || 'Get it on Amazon'}
                    </StoreLink>
                  )}
                  {resource.appleBooksUrl && (
                    <StoreLink source={`page:${resource.id}`} store="apple" href={resource.appleBooksUrl} gated={content.gateStoreLinks !== false} className="btn-secondary">
                      {resource.appleBooksLabel || 'Get it on Apple Books'}
                    </StoreLink>
                  )}
                </div>
              )}
            </div>
          </article>
        </div>
      </main>
      <SiteFooter content={content} />
      <AnalyticsConsentBanner content={content} />
    </div>
  )
}

function ShareShowButton() {
  const [feedback, setFeedback] = useState('')

  async function handleShare() {
    const shareUrl = window.location.origin
    const shareTitle = 'Verse by Verse with Nate'
    const shareText = 'Check out Verse by Verse with Nate.'
    try {
      if (navigator.share) {
        await navigator.share({ title: shareTitle, text: shareText, url: shareUrl })
        setFeedback('Shared successfully.')
        return
      }
      if (navigator.clipboard?.writeText) {
        await navigator.clipboard.writeText(shareUrl)
        setFeedback('Link copied. Share it with a friend.')
        return
      }
      setFeedback(`Copy this link: ${shareUrl}`)
    } catch {
      setFeedback('Share canceled.')
    }
  }

  return (
    <div className="share-show-wrap">
      <button type="button" className="btn-primary btn-share-show" onClick={handleShare}>
        Share the Show
      </button>
      {feedback && <p className="share-feedback">{feedback}</p>}
    </div>
  )
}

function linkifyText(text: string) {
  const urlRegex = /(https?:\/\/[^\s]+)/g
  const parts = text.split(urlRegex)
  return parts.map((part, i) =>
    urlRegex.test(part)
      ? <a key={i} href={part} target="_blank" rel="noopener noreferrer" className="custom-block-inline-link">{part}</a>
      : part
  )
}

function CustomBlocksSection({ content, page }: { content: SiteContent; page: string }) {
  const blocks = (content.customBlocks ?? []).filter(block => {
    const blockPage = block.page ?? 'downloads'
    return blockPage === page
  })
  if (blocks.length === 0) return null
  return (
    <>
      {blocks.map(block => (
        <section key={block.id} className="section-custom-block" aria-label={block.heading}>
          <div className="section-inner custom-block-inner">
            <h2>{block.heading}</h2>
            <p>{linkifyText(block.body)}</p>
            {block.linkUrl && (
              <a href={block.linkUrl} target="_blank" rel="noopener noreferrer" className="btn-primary custom-block-link-btn">
                {block.linkLabel || 'Learn More'}
              </a>
            )}
          </div>
        </section>
      ))}
    </>
  )
}

function ExternalSitesSection({ content }: { content: SiteContent }) {
  const links = (content.customLinks ?? []).filter(link => link.placement === 'externalSites')
  if (links.length === 0) return null

  return (
    <section className="section-resources section-external-sites" aria-label="External sites">
      <div className="section-inner">
        <div className="download-library-head">
          <p className="eyebrow">Homepage Links</p>
          <h2 className="section-heading">External sites and ministries worth checking out.</h2>
        </div>
        <div className="resources-list">
          {links.map(link => (
            <a key={link.id} href={link.url} target="_blank" rel="noreferrer" className="resource-link">
              <div className="resource-download-meta">
                {link.imageUrl && <img src={link.imageUrl} alt={link.label} className="resource-link-image" />}
                <span className="resource-link-label">{link.label}</span>
                {link.description && <p className="resource-link-description">{link.description}</p>}
                <span className="resource-link-action">Open external site →</span>
              </div>
            </a>
          ))}
        </div>
      </div>
    </section>
  )
}

function HomepageNewsletterSection() {
  const [email, setEmail] = useState('')
  const [firstName, setFirstName] = useState('')
  const [honey, setHoney] = useState('')
  const [status, setStatus] = useState<'idle' | 'submitting' | 'done' | 'error'>('idle')

  async function handleSubmit(e: React.FormEvent) {
    e.preventDefault()
    if (honey) return
    setStatus('submitting')
    try {
      const res = await fetch('/api/contact', {
        method: 'POST',
        headers: { 'Content-Type': 'application/json' },
        body: JSON.stringify({ firstName, email, messageType: 'general', message: 'Newsletter signup from homepage', subscribe: true, _honey: honey }),
      })
      setStatus(res.ok ? 'done' : 'error')
    } catch {
      setStatus('error')
    }
  }

  return (
    <section className="section-newsletter" aria-label="Newsletter sign-up">
      <div className="section-inner newsletter-inner">
        <p className="eyebrow">Stay in the Word</p>
        <h2 className="section-heading">Get episode updates by email</h2>
        <p className="newsletter-sub">New episodes, study resources, and ministry updates — delivered to your inbox.</p>
        {status === 'done' ? (
          <p className="newsletter-thanks">You're subscribed! Thank you for signing up.</p>
        ) : (
          <form className="newsletter-form" onSubmit={handleSubmit} noValidate>
            <input type="text" className="contact-honeypot" tabIndex={-1} autoComplete="off" aria-hidden="true" value={honey} onChange={e => setHoney(e.target.value)} />
            <div className="newsletter-fields">
              <input
                type="text"
                placeholder="First name"
                required
                autoComplete="given-name"
                value={firstName}
                onChange={e => setFirstName(e.target.value)}
                className="newsletter-input"
              />
              <input
                type="email"
                placeholder="Email address"
                required
                autoComplete="email"
                value={email}
                onChange={e => setEmail(e.target.value)}
                className="newsletter-input"
              />
              <button type="submit" className="btn-primary" disabled={status === 'submitting'}>
                {status === 'submitting' ? 'Subscribing…' : 'Subscribe'}
              </button>
            </div>
            {status === 'error' && <p className="newsletter-error">Something went wrong. Please try again.</p>}
          </form>
        )}
      </div>
    </section>
  )
}

type TflWidgetType = 'audiodevo' | 'abdevotional' | 'resourcead'

function TruthForLifeWidget({ type = 'audiodevo' }: { type?: TflWidgetType }) {
  const heading = type === 'resourcead' ? 'Recommended Resources' : 'Daily Devotional'
  const containerId = 'tfl-syndicate-container'

  useEffect(() => {
    const container = document.getElementById(containerId)
    if (!container) return
    container.innerHTML = ''

    const existing = document.getElementById('syn_script')
    if (existing) existing.remove()

    const script = document.createElement('script')
    script.id = 'syn_script'
    script.src = `https://www.truthforlife.org/static/js/responsive/lib/syndicate.js?type=${type}&id=458890`
    script.type = 'text/javascript'
    container.parentElement?.insertBefore(script, container)
  }, [type, containerId])

  return (
    <section className="section-tfl" aria-label="Truth For Life devotional" style={type === 'resourcead' ? { padding: '2.5rem 0' } : undefined}>
      <div className="section-inner">
        <div className="tfl-label-row" style={type === 'resourcead' ? { marginBottom: '1rem' } : undefined}>
          <h2 className="section-heading" style={{ marginBottom: '0.25rem' }}>
            <span className="ornament">✦</span> {heading} <span className="ornament">✦</span>
          </h2>
          <p className="tfl-attribution" style={{ marginBottom: '1rem' }}>
            <a href="https://www.truthforlife.org" target="_blank" rel="noreferrer" className="tfl-link" style={{ fontSize: '1rem', fontWeight: 600 }}>Truth For Life</a>
            {' '}with Alistair Begg
          </p>
        </div>
        <div className="tfl-widget-wrap">
          <div
            id="tfl-syndicate-container"
            style={{ maxWidth: type === 'resourcead' ? '500px' : '760px', margin: '0 auto' }}
          />
        </div>
      </div>
    </section>
  )
}

function HomepageQACallout() {
  const [questions, setQuestions] = useState<{ id: string; firstName: string; question: string; answer: string }[]>([])

  useEffect(() => {
    fetch('/api/questions')
      .then(r => (r.ok ? r.json() : Promise.reject()))
      .then((data: { questions: { id: string; firstName: string; question: string; answer: string }[] }) => {
        setQuestions((data.questions ?? []).slice(0, 3))
      })
      .catch(() => {})
  }, [])

  if (questions.length === 0) return null

  return (
    <section className="section-qa-callout" aria-label="Featured Q&A">
      <div className="section-inner">
        <p className="eyebrow">Q&amp;A</p>
        <h2 className="section-heading"><span className="ornament">✦</span> Questions from Listeners <span className="ornament">✦</span></h2>
        <p className="qa-callout-sub">Real questions. Scripture-grounded answers.</p>
        <div className="qa-callout-grid">
          {questions.map(q => (
            <div key={q.id} className="qa-callout-card">
              <p className="qa-callout-question">"{q.question}"</p>
              <p className="qa-callout-answer">{q.answer.length > 220 ? q.answer.slice(0, 220).trimEnd() + '…' : q.answer}</p>
              {q.firstName && <p className="qa-callout-from">— {q.firstName}</p>}
              <Link to={`/questions#qa-${q.id}`} className="qa-callout-more">Read the full answer →</Link>
            </div>
          ))}
        </div>
        <div style={{ textAlign: 'center', marginTop: '2rem' }}>
          <Link to="/questions" className="btn-primary">Browse All Q&amp;A →</Link>
        </div>
      </div>
    </section>
  )
}

function TestimonialsSection({ testimonials }: { testimonials: Testimonial[] }) {
  if (!testimonials || testimonials.length === 0) return null
  return (
    <section className="section-testimonials" aria-label="Listener testimonials">
      <div className="section-inner">
        <h2 className="section-heading">
          <span className="ornament">✦</span> What Listeners Are Saying <span className="ornament">✦</span>
        </h2>
        <div className="testimonials-grid">
          {testimonials.map(t => (
            <blockquote key={t.id} className="testimonial-card">
              <p className="testimonial-quote">"{t.quote}"</p>
              <footer className="testimonial-footer">
                <span className="testimonial-name">— {t.name}</span>
                {t.source && <span className="testimonial-source">{t.source}</span>}
              </footer>
            </blockquote>
          ))}
        </div>
      </div>
    </section>
  )
}

function LandingPage({ content }: { content: SiteContent }) {
  const featuredStudy = getHomepageFeaturedStudy(content)

  return (
    <div className="site">
      <SiteHeader content={content} />
      <SiteSearchBar content={content} />
      <CustomBlocksSection content={content} page="homepage" />

      {/* ── HERO ── */}
      <section className="hero" aria-label="Show introduction">
        <div className="hero-art">
          <div className="art-glow" aria-hidden="true" />
          <img
            src={content.podcastArtUrl || '/images/podcast-art.jpeg'}
            alt="Verse by Verse with Nate podcast artwork"
            className="podcast-art"
          />
        </div>
        <div className="hero-text">
          <p className="eyebrow">{content.eyebrow}</p>
          <h1 className="hero-title">Verse by Verse</h1>
          <p className="with-nate">
            <span className="word-with">with </span>Nate
          </p>
          <div className="rule-divider" aria-hidden="true" />
          <p className="tagline">{content.heroTagline}</p>
          <div className="hero-ctas">
            <a
              href={content.platformSpotifyUrl || '/spotify'}
              target="_blank"
              rel="noreferrer"
              className="btn-primary"
            >
              <SpotifyIcon />
              {content.heroBtnSpotify || 'Listen on Spotify'}
            </a>
            <Link to="/episodes" className="btn-secondary">{content.heroBtnEpisodes || 'Explore Episodes ↓'}</Link>
            <Link to="/start-here" className="btn-secondary btn-start-here">{content.heroBtnStartHere || 'New here? Start here →'}</Link>
          </div>
        </div>
      </section>

      <section className="section-prism" aria-label="PRISM featured video">
        <div className="section-inner prism-feature">
          <div className="prism-video-shell">
            <video
              className="prism-video"
              controls
              playsInline
              preload="metadata"
              poster="/images/banner.png"
            >
              <source src={content.prismVideoUrl || '/images/PRISM.mp4'} type="video/mp4" />
              Your browser does not support embedded video playback.
            </video>
          </div>

          <div className="prism-copy">
            <p className="eyebrow">{content.prismEyebrow || 'Featured Video'}</p>
            <h2 className="section-heading prism-heading">
              <span className="ornament">✦</span> {content.prismHeading || 'PRISM'} <span className="ornament">✦</span>
            </h2>
            <p className="prism-description">
              {content.prismIntro || 'What if every time you opened your Bible, you had a clear, repeatable method to actually dig in?'}
            </p>
            <p className="prism-description">
              {content.prismPatternIntro || 'In this bonus episode, I walk you through P.R.I.S.M. — a five-step daily Bible study pattern designed to help you slow down, go deep, and let the Word do its work.'}
            </p>
            <div className="prism-steps" aria-label="P.R.I.S.M. steps">
              <p>{content.prismStep1 || 'P — Pray before you read'}</p>
              <p>{content.prismStep2 || 'R — Read slowly and observe'}</p>
              <p>{content.prismStep3 || 'I — Interpret with context'}</p>
              <p>{content.prismStep4 || 'S — Study and apply specifically'}</p>
              <p>{content.prismStep5 || 'M — Memorize one verse at a time'}</p>
            </div>
            <p className="prism-description">
              {content.prismOutro || "Whether you're brand new to daily Bible reading or you've been at it for years, P.R.I.S.M. gives you a consistent framework for every passage, every day."}
            </p>
            <p className="prism-description prism-emphasis">
              {content.prismClosing || "The goal isn't to get through the text — it's to let the text get through to you."}
            </p>
          </div>
        </div>
      </section>

      <HomepageNewsletterSection />

      <section className="section-series" id="series" aria-label="Current series">
        <div className="section-inner">
          <h2 className="section-heading">
            <span className="ornament">✦</span> Current Series{' '}
            <span className="ornament">✦</span>
          </h2>
          <div className={`series-grid${content.secondSeries?.title?.trim() ? ' series-grid--two' : ''}`}>
            {[
              {
                key: 'primary',
                imageUrl: content.seriesImageUrl,
                title: content.seriesTitle,
                label: content.seriesLabel,
                description: content.seriesDescription,
                listenUrl: content.seriesListenUrl,
                listenBtnLabel: content.seriesListenBtnLabel,
                studySlug: content.seriesStudySlug,
              },
              ...(content.secondSeries?.title?.trim()
                ? [{
                    key: 'second',
                    imageUrl: content.secondSeries.imageUrl,
                    title: content.secondSeries.title,
                    label: content.secondSeries.label,
                    description: content.secondSeries.description,
                    listenUrl: content.secondSeries.listenUrl,
                    listenBtnLabel: content.secondSeries.listenBtnLabel,
                    studySlug: content.secondSeries.studySlug,
                  }]
                : []),
            ].map(series => (
              <article className="series-card" key={series.key}>
                <img
                  src={series.imageUrl}
                  alt={series.title}
                  className="series-art"
                />
                <div className="series-info">
                  <p className="series-label">{series.label}</p>
                  <h3>{series.title}</h3>
                  <p>{series.description}</p>
                  <a
                    href={series.listenUrl || content.platformSpotifyUrl || '/spotify'}
                    target="_blank"
                    rel="noreferrer"
                    className="btn-primary"
                  >
                    <SpotifyIcon />
                    {series.listenBtnLabel || content.seriesListenBtnLabel || 'Listen to Series'}
                  </a>
                  {series.studySlug
                    ? <Link to={`/study/${series.studySlug}`} className="btn-secondary">Study Along</Link>
                    : <Link to="/resources" className="btn-secondary">{content.seriesDownloadsBtnLabel || 'View Resources'}</Link>}
                </div>
              </article>
            ))}
          </div>
        </div>
      </section>

      <TruthForLifeWidget type="audiodevo" />

      <ExternalSitesSection content={content} />

      <section className="section-home-jump" aria-label="Homepage navigation">
        <div className="section-inner">
          <div className="home-jump-head">
            <p className="eyebrow">{content.whereToNextEyebrow || 'Where to Next'}</p>
            <h2 className="section-heading">{content.whereToNextHeading || 'Choose the page you need.'}</h2>
          </div>
          <div className="home-jump-grid">
            {(content.whereToNextCards ?? []).map(card => (
              <Link key={card.id} to={card.path} className="home-jump-card">
                <h3>{card.title}</h3>
                <p>{card.description}</p>
              </Link>
            ))}
            {featuredStudy && (
              <Link to={`/study/${featuredStudy.slug || ''}`} className="home-jump-card home-jump-card--featured">
                <div className="home-jump-featured-head">
                  <p className="eyebrow">{featuredStudy.homepageEyebrow || 'Study'}</p>
                  {featuredStudy.showNewTag && <span className="home-jump-new-tag">{featuredStudy.newTagLabel || 'NEW'}</span>}
                </div>
                <h3>{featuredStudy.title}</h3>
                <p>{featuredStudy.description || 'Explore this study track with lesson notes, commentary, and guided questions.'}</p>
              </Link>
            )}
          </div>
        </div>
      </section>

      <HomepageQACallout />

      <TestimonialsSection testimonials={content.testimonials ?? []} />

      <section className="section-share" aria-label="Share the show">
        <div className="section-inner section-share-inner">
          <div className="share-text">
            <h2 className="section-heading" style={{ textAlign: 'left', marginBottom: '0.75rem' }}>
              {content.shareHeading || 'Help one more person hear the Word this week.'}
            </h2>
            <p className="share-p">{content.shareP || 'Scan the QR code or text the show link to a friend who needs encouragement today.'}</p>
            <ShareShowButton />
          </div>
          <img src={content.shareQrImageUrl || '/images/qr-code.jpg'} alt="QR code to share the show" className="share-qr" />
        </div>
      </section>

      <SiteFooter content={content} />

      <AnalyticsConsentBanner content={content} />
    </div>
  )
}

function EpisodeDetailPage({ content }: { content: SiteContent }) {
  const { id } = useParams<{ id: string }>()
  const episode = getAllHighlights(content).find(e => e.id === id)
  const [resolvedEmbedUrl, setResolvedEmbedUrl] = useState('')

  useEffect(() => {
    let cancelled = false

    if (!episode) {
      setResolvedEmbedUrl('')
      return () => {
        cancelled = true
      }
    }

    const manualEmbed = episode.embedUrl?.trim() ?? ''
    if (manualEmbed) {
      setResolvedEmbedUrl(manualEmbed)
      return () => {
        cancelled = true
      }
    }

    if (!episode.url) {
      setResolvedEmbedUrl('')
      return () => {
        cancelled = true
      }
    }

    try {
      const urlObj = new URL(episode.url)
      const host = urlObj.hostname.toLowerCase()

      if (host === 'open.spotify.com') {
        const fromUrl = toSpotifyEpisodeEmbedUrl(episode.url)
        if (fromUrl) {
          setResolvedEmbedUrl(fromUrl)
          return () => {
            cancelled = true
          }
        }
      }
    } catch {
      // ignore
    }

    if (!isLikelySpotifyEpisodeUrl(episode.url)) {
      setResolvedEmbedUrl('')
      return () => {
        cancelled = true
      }
    }

    setResolvedEmbedUrl('')
    fetch(`/api/spotify/embed-url?url=${encodeURIComponent(episode.url)}`)
      .then(r => (r.ok ? r.json() : Promise.reject(new Error('embed resolve failed'))))
      .then((data: { embedUrl?: string }) => {
        if (cancelled) return
        setResolvedEmbedUrl(data.embedUrl?.trim() ?? '')
      })
      .catch(() => {
        if (cancelled) return
        setResolvedEmbedUrl('')
      })

    return () => {
      cancelled = true
    }
  }, [episode])

  const siteTitle = content.seo?.title || DEFAULTS.seo.title
  usePageMeta(
    episode ? `${episode.title} | ${siteTitle}` : `Episode | ${siteTitle}`,
    episode?.summary || 'Expository Bible teaching from Verse by Verse with Nate.',
  )

  if (!episode) {
    return (
      <div className="site">
        <SiteHeader content={content} />
      <SiteSearchBar content={content} />
        <section className="section-player">
          <div className="section-inner" style={{ textAlign: 'center', padding: '4rem 1rem' }}>
            <h2>Episode not found</h2>
            <p>This episode highlight doesn't exist or may have been removed.</p>
            <Link to="/episodes" className="btn-primary" style={{ marginTop: '1.5rem', display: 'inline-block' }}>← Back to Episodes</Link>
          </div>
        </section>
        <SiteFooter content={content} />
        <AnalyticsConsentBanner content={content} />
      </div>
    )
  }

  const questions = episode.discussionQuestions ?? []

  return (
    <div className="site">
      <SiteHeader content={content} />
      <SiteSearchBar content={content} />
      <section className="section-episode-detail" aria-label={episode.title}>
        <div className="section-inner">
          <Link to="/episodes" className="episode-detail-back">← Back to Episodes</Link>

          {episode.episodeNumber && (
            <p className="episode-detail-number">Episode {episode.episodeNumber}</p>
          )}
          <h1 className="episode-detail-title">{episode.title}</h1>
          {episode.summary && <p className="episode-detail-summary">{episode.summary}</p>}

          {(episode.embedUrl || episode.url) && (
            <div className="episode-detail-embed">
              {resolvedEmbedUrl ? (
                <EpisodeAudioPlayer src={resolvedEmbedUrl} title={episode.title} size="full" spotifyUrl={episode.url || content.platformSpotifyUrl} />
              ) : (
                <div className="episode-embed-skeleton" aria-label="Loading player…" />
              )}
            </div>
          )}

          {episode.url && (
            <a href={episode.url} target="_blank" rel="noreferrer" className="btn-primary episode-detail-listen-btn">
              Listen on Podcast Platform →
            </a>
          )}

          {(episode.showNotesSummary || (episode.showNotesThemes ?? []).length > 0 || (episode.showNotesScripture ?? []).length > 0 || (episode.showNotesQuotes ?? []).length > 0 || (episode.showNotesResources ?? []).length > 0 || episode.showNotes) && (
            <div className="episode-detail-show-notes">
              <h2 className="episode-detail-section-heading">Show Notes</h2>
              {episode.showNotesSummary
                ? <p>{episode.showNotesSummary}</p>
                : episode.showNotes && !(episode.showNotesThemes ?? []).length && <p>{episode.showNotes}</p>
              }
              {(episode.showNotesThemes ?? []).length > 0 && (
                <div className="episode-detail-show-notes-section">
                  <h3 className="episode-detail-show-notes-heading">Key Themes</h3>
                  <ul className="episode-detail-show-notes-list">
                    {episode.showNotesThemes!.map((t, i) => <li key={i}>{t}</li>)}
                  </ul>
                </div>
              )}
              {(episode.showNotesScripture ?? []).length > 0 && (
                <div className="episode-detail-show-notes-section">
                  <h3 className="episode-detail-show-notes-heading">Scripture References</h3>
                  <ul className="episode-detail-show-notes-list">
                    {episode.showNotesScripture!.map((s, i) => <li key={i}>{s}</li>)}
                  </ul>
                </div>
              )}
              {(episode.showNotesQuotes ?? []).length > 0 && (
                <div className="episode-detail-show-notes-section">
                  <h3 className="episode-detail-show-notes-heading">Key Quotes</h3>
                  {episode.showNotesQuotes!.map((q, i) => (
                    <blockquote key={i} className="episode-detail-show-notes-quote">{q}</blockquote>
                  ))}
                </div>
              )}
              {(episode.showNotesResources ?? []).length > 0 && (
                <div className="episode-detail-show-notes-section">
                  <h3 className="episode-detail-show-notes-heading">Resources</h3>
                  <ul className="episode-detail-show-notes-list">
                    {episode.showNotesResources!.map((r, i) => <li key={i}>{r}</li>)}
                  </ul>
                </div>
              )}
            </div>
          )}

          {questions.length > 0 && (
            <div className="episode-detail-questions">
              <h2 className="episode-detail-section-heading">Discussion Questions</h2>
              <ol className="episode-detail-questions-list">
                {questions.map((q, i) => (
                  <li key={i}>{q}</li>
                ))}
              </ol>
            </div>
          )}
        </div>
      </section>
      <SiteFooter content={content} />
      <AnalyticsConsentBanner content={content} />
    </div>
  )
}

function useEpisodesForBook(season: number) {
  const [episodes, setEpisodes] = useState<{ title: string; episode: string; season: string; duration: string; audioUrl: string; link: string; description: string }[]>([])
  const [loading, setLoading] = useState(true)
  useEffect(() => {
    fetch('/api/episodes/all')
      .then(r => r.ok ? r.json() : Promise.reject())
      .then((data: { episodes?: { title: string; episode: string; season: string; duration: string; audioUrl: string; link: string; description: string }[] }) => {
        const filtered = (data.episodes ?? [])
          .filter(ep => ep.season === String(season))
          .sort((a, b) => parseInt(a.episode) - parseInt(b.episode))
        setEpisodes(filtered)
      })
      .catch(() => {})
      .finally(() => setLoading(false))
  }, [season])
  return { episodes, loading }
}

function FinishedBooksPage({ content }: { content: SiteContent }) {
  const siteTitle = content.seo?.title || DEFAULTS.seo.title
  usePageMeta(`Finished Books | ${siteTitle}`, 'Completed series from Verse by Verse with Nate — browse episode playlists for past book studies.')
  const books = content.finishedBooks ?? []

  return (
    <div className="site">
      <SiteHeader content={content} />
      <SiteSearchBar content={content} />
      <PageBanner eyebrow="Studies" title="Finished Books" desc="Every series we've completed — with a full ordered episode playlist for each book of the Bible." />
      <section className="section-finished-books">
        <div className="section-inner">
          {books.length === 0 ? (
            <div className="finished-books-empty-state">
              <div className="finished-books-empty-icon">📖</div>
              <h2 className="finished-books-empty-heading">Nothing here yet</h2>
              <p className="finished-books-empty-text">
                We're still working through the current series. When a book study wraps up, it'll live here with the full episode playlist. Check back soon.
              </p>
              <Link to="/episodes" className="btn-primary" style={{ display: 'inline-block', marginTop: '1.5rem' }}>
                Listen to Current Series →
              </Link>
            </div>
          ) : (
            <div className="finished-books-grid">
              {books.map(book => (
                <Link key={book.id} to={`/finished/${book.id}`} className="finished-book-card">
                  {book.imageUrl && (
                    <div className="finished-book-card-img-wrap">
                      <img src={book.imageUrl} alt={book.title} className="finished-book-card-img" />
                      {book.downloadUrl && <span className="finished-book-card-dl-badge" title="Download available">⬇</span>}
                    </div>
                  )}
                  <div className="finished-book-card-body">
                    <p className="finished-book-card-season">Season {book.season}</p>
                    <h2 className="finished-book-card-title">{book.title}</h2>
                    {book.description && <p className="finished-book-card-desc">{book.description}</p>}
                    <span className="finished-book-card-cta">View Playlist →</span>
                  </div>
                </Link>
              ))}
            </div>
          )}
        </div>
      </section>
      <SiteFooter content={content} />
    </div>
  )
}

const FINISHED_PLAYLIST_PREVIEW_COUNT = 10
const FINISHED_PLAYLIST_FILTER_THRESHOLD = 12

type FinishedBookEpisode = { title: string; episode: string; duration: string; audioUrl: string; description: string }

// One section with two tabs instead of two full-length lists stacked on top of each other.
// "Highlights" are the hand-picked episodes (with notes); "All Episodes" is the complete
// ordered playlist, which previews the first few, can be filtered, and only loads an audio
// player for the episode you open.
function FinishedSeriesEpisodes({ highlights, episodes, loading }: {
  highlights: PodcastFeaturedLink[]
  episodes: FinishedBookEpisode[]
  loading: boolean
}) {
  const hasHighlights = highlights.length > 0
  const [tab, setTab] = useState<'highlights' | 'all'>(hasHighlights ? 'highlights' : 'all')
  const [highlightsExpanded, setHighlightsExpanded] = useState(false)
  const [playlistExpanded, setPlaylistExpanded] = useState(false)
  const [filter, setFilter] = useState('')
  const [openKey, setOpenKey] = useState<string | null>(null)
  const activeTab = hasHighlights ? tab : 'all'

  useEffect(() => {
    function onHash() {
      if (window.location.hash === '#episodes') setTab('all')
    }
    onHash()
    window.addEventListener('hashchange', onHash)
    return () => window.removeEventListener('hashchange', onHash)
  }, [])

  const orderedHighlights = [...highlights].reverse()
  const shownHighlights = highlightsExpanded ? orderedHighlights : orderedHighlights.slice(0, HIGHLIGHTS_PREVIEW_COUNT)

  const query = filter.trim().toLowerCase()
  const matching = query
    ? episodes.filter(ep => `${ep.episode} ${ep.title}`.toLowerCase().includes(query))
    : episodes
  const showAllPlaylist = playlistExpanded || query.length > 0
  const shownEpisodes = showAllPlaylist ? matching : matching.slice(0, FINISHED_PLAYLIST_PREVIEW_COUNT)

  return (
    <section id="episodes" className="finished-series-episodes" aria-label="Episodes">
      <div className="highlight-tabs" role="tablist" aria-label="Episode views">
        {hasHighlights && (
          <button
            type="button"
            role="tab"
            aria-selected={activeTab === 'highlights'}
            className={`highlight-tab${activeTab === 'highlights' ? ' highlight-tab--active' : ''}`}
            onClick={() => setTab('highlights')}
          >
            Highlights <span className="highlight-tab-count">{highlights.length}</span>
          </button>
        )}
        <button
          type="button"
          role="tab"
          aria-selected={activeTab === 'all'}
          className={`highlight-tab${activeTab === 'all' ? ' highlight-tab--active' : ''}`}
          onClick={() => setTab('all')}
        >
          All Episodes {!loading && <span className="highlight-tab-count">{episodes.length}</span>}
        </button>
      </div>

      {activeTab === 'highlights' ? (
        <>
          <div className="episode-list">
            {shownHighlights.map(link => <HighlightCard key={link.id} link={link} />)}
          </div>
          {orderedHighlights.length > HIGHLIGHTS_PREVIEW_COUNT && (
            <div className="highlight-more">
              <button type="button" className="btn-secondary" onClick={() => setHighlightsExpanded(v => !v)}>
                {highlightsExpanded ? 'Show fewer' : `Show all ${orderedHighlights.length} highlights`}
              </button>
            </div>
          )}
        </>
      ) : loading ? (
        <p className="finished-books-empty">Loading episodes…</p>
      ) : episodes.length === 0 ? (
        <p className="finished-books-empty">No episodes found for this season.</p>
      ) : (
        <>
          {episodes.length > FINISHED_PLAYLIST_FILTER_THRESHOLD && (
            <input
              type="search"
              className="finished-series-filter"
              placeholder="Search episodes by number or title…"
              aria-label="Search episodes"
              value={filter}
              onChange={e => setFilter(e.target.value)}
            />
          )}
          {matching.length === 0 ? (
            <p className="finished-books-empty">No episodes match “{filter.trim()}”.</p>
          ) : (
            <ol className="finished-series-playlist">
              {shownEpisodes.map((ep, i) => {
                const key = ep.audioUrl || `${ep.episode}-${i}`
                const isOpen = openKey === key
                return (
                  <li key={key} className={`finished-series-episode${isOpen ? ' finished-series-episode--open' : ''}`}>
                    <span className="finished-series-ep-num">{ep.episode || i + 1}</span>
                    <div className="finished-series-ep-body">
                      <div className="finished-series-ep-row">
                        <div>
                          <p className="finished-series-ep-title">{ep.title}</p>
                          {ep.duration && <p className="finished-series-ep-meta">{ep.duration}</p>}
                        </div>
                        {ep.audioUrl && (
                          <button
                            type="button"
                            className="finished-series-ep-play"
                            aria-expanded={isOpen}
                            onClick={() => setOpenKey(isOpen ? null : key)}
                          >
                            {isOpen ? 'Hide player' : '▶ Play'}
                          </button>
                        )}
                      </div>
                      {isOpen && ep.audioUrl && <EpisodeAudioPlayer src={ep.audioUrl} title={ep.title} />}
                    </div>
                  </li>
                )
              })}
            </ol>
          )}
          {!query && matching.length > FINISHED_PLAYLIST_PREVIEW_COUNT && (
            <div className="highlight-more">
              <button type="button" className="btn-secondary" onClick={() => setPlaylistExpanded(v => !v)}>
                {playlistExpanded ? 'Show fewer' : `Show all ${matching.length} episodes`}
              </button>
            </div>
          )}
        </>
      )}
    </section>
  )
}

function FinishedSeriesPage({ content }: { content: SiteContent }) {
  const { id } = useParams<{ id: string }>()
  const book = (content.finishedBooks ?? []).find(b => b.id === id)
  const siteTitle = content.seo?.title || DEFAULTS.seo.title
  usePageMeta(
    book ? `${book.title} | ${siteTitle}` : `Finished Series | ${siteTitle}`,
    book?.description || 'Episode playlist for a completed series.',
  )
  const { episodes, loading } = useEpisodesForBook(book?.season ?? 0)

  if (!book) {
    return (
      <div className="site">
        <SiteHeader content={content} />
        <main className="page-inner">
          <p>Series not found. <Link to="/finished">← Back to Finished Books</Link></p>
        </main>
        <SiteFooter content={content} />
      </div>
    )
  }

  return (
    <div className="site">
      <SiteHeader content={content} />
      <SiteSearchBar content={content} />
      <main className="page-inner">
        <nav className="breadcrumb" aria-label="Breadcrumb">
          <Link to="/finished">Finished Books</Link>
          <span aria-hidden="true"> › </span>
          <span>{book.title}</span>
        </nav>
        <div className="finished-series-hero">
          {book.imageUrl && (
            <div className="finished-series-cd" aria-hidden="true">
              <div className="finished-series-cd-disc">
                <img src={book.imageUrl} alt={book.title} className="finished-series-cd-img" />
                <div className="finished-series-cd-sheen" />
                <div className="finished-series-cd-hole" />
              </div>
            </div>
          )}
          <div>
            <p className="finished-book-card-season">Season {book.season}</p>
            <h1 className="finished-series-title">{book.title}</h1>
            {book.description && <p className="finished-series-desc">{book.description}</p>}
            <div className="finished-series-actions">
              <a href="#episodes" className="finished-series-btn-stream">▶ Stream Episodes</a>
              {book.downloadUrl && (
                <a
                  href={book.downloadUrl}
                  target="_blank"
                  rel="noopener noreferrer"
                  className="finished-series-btn-download"
                >
                  ⬇ Download Album
                </a>
              )}
              {book.studySlug && (
                <Link to={`/study/${book.studySlug}`} className="finished-series-btn-download">
                  📖 Study This Book
                </Link>
              )}
              {book.guide?.title && (
                <Link to={`/downloads/book-guide--${book.id}`} className="finished-series-btn-download">
                  📄 {book.guide.title}
                </Link>
              )}
            </div>
          </div>
          {book.downloadQrUrl && book.downloadUrl && (
            <div className="finished-series-qr">
              <a href={book.downloadUrl} target="_blank" rel="noopener noreferrer">
                <img src={book.downloadQrUrl} alt={`QR code to download the ${book.title} album`} className="finished-series-qr-img" />
              </a>
              <p className="finished-series-qr-label">Scan to download the full album</p>
            </div>
          )}
        </div>
        <FinishedSeriesEpisodes highlights={book.highlights ?? []} episodes={episodes} loading={loading} />
      </main>
      <SiteFooter content={content} />
    </div>
  )
}

function LatestEpisodePlayer({ content }: { content: SiteContent }) {
  const audioRef = useRef<HTMLAudioElement>(null)
  const [audioUrl, setAudioUrl] = useState('')
  const [title, setTitle] = useState('')
  const [playing, setPlaying] = useState(false)
  const [buffering, setBuffering] = useState(false)
  const [currentTime, setCurrentTime] = useState(0)
  const [duration, setDuration] = useState(0)
  const playTrackedRef = useRef(false)
  const listenStartRef = useRef<number | null>(null)

  useEffect(() => {
    fetch('/api/episodes')
      .then(r => r.ok ? r.json() : Promise.reject())
      .then((data: { episodes?: { title: string; audioUrl: string }[] }) => {
        const latest = data.episodes?.[0]
        if (latest?.audioUrl) { setAudioUrl(latest.audioUrl); setTitle(latest.title) }
      })
      .catch(() => {})
  }, [])

  useEffect(() => {
    const audio = audioRef.current
    if (!audio) return
    const onTime = () => setCurrentTime(audio.currentTime)
    const onDur = () => setDuration(audio.duration)
    const onEnded = () => { setPlaying(false); setBuffering(false) }
    const onWait = () => setBuffering(true)
    const onCan = () => setBuffering(false)
    audio.addEventListener('timeupdate', onTime)
    audio.addEventListener('durationchange', onDur)
    audio.addEventListener('loadedmetadata', onDur)
    audio.addEventListener('ended', onEnded)
    audio.addEventListener('waiting', onWait)
    audio.addEventListener('canplay', onCan)
    return () => {
      audio.removeEventListener('timeupdate', onTime)
      audio.removeEventListener('durationchange', onDur)
      audio.removeEventListener('loadedmetadata', onDur)
      audio.removeEventListener('ended', onEnded)
      audio.removeEventListener('waiting', onWait)
      audio.removeEventListener('canplay', onCan)
    }
  }, [audioUrl])

  function togglePlay() {
    const audio = audioRef.current
    if (!audio) return
    if (playing) {
      audio.pause(); setPlaying(false)
      if (listenStartRef.current !== null) listenStartRef.current = null
    } else {
      audio.play().then(() => {
        setPlaying(true)
        listenStartRef.current = Date.now()
        if (!playTrackedRef.current && title) {
          playTrackedRef.current = true
          fetch('/api/analytics/play', { method: 'POST', headers: { 'Content-Type': 'application/json' }, body: JSON.stringify({ title }) }).then(checkAnalyticsConsentResponse).catch(() => {})
        }
      }).catch(() => {})
    }
  }

  function skip(sec: number) {
    const audio = audioRef.current
    if (!audio) return
    audio.currentTime = Math.max(0, Math.min(duration, audio.currentTime + sec))
  }

  function seek(e: React.MouseEvent<HTMLDivElement>) {
    const audio = audioRef.current
    if (!audio || !duration) return
    const rect = e.currentTarget.getBoundingClientRect()
    const pct = Math.max(0, Math.min(1, (e.clientX - rect.left) / rect.width))
    audio.currentTime = pct * duration
    setCurrentTime(pct * duration)
  }

  function fmt(s: number) {
    if (!isFinite(s) || s < 0) return '0:00'
    return `${Math.floor(s / 60)}:${String(Math.floor(s % 60)).padStart(2, '0')}`
  }

  const pct = duration > 0 ? (currentTime / duration) * 100 : 0

  if (!audioUrl) return <div className="episode-embed-skeleton" aria-label="Loading player…" style={{ height: 152 }} />

  return (
    <div className="latest-episode-player">
      <audio ref={audioRef} src={audioUrl} preload="metadata" />
      <p className="latest-episode-player__show">Verse by Verse with Nate</p>
      {title && <p className="latest-episode-player__title">{title}</p>}
      <div className="latest-episode-player__play-row">
        <button className="latest-episode-player__skip" onClick={() => skip(-15)} aria-label="Back 15 seconds">
          <svg viewBox="0 0 24 24" fill="currentColor" aria-hidden="true"><path d="M11.99 5V1l-5 5 5 5V7c3.31 0 6 2.69 6 6s-2.69 6-6 6-6-2.69-6-6h-2c0 4.42 3.58 8 8 8s8-3.58 8-8-3.58-8-8-8z"/><text x="12" y="15" textAnchor="middle" fontSize="5.5" fontFamily="sans-serif" fill="currentColor">15</text></svg>
          <span>back</span>
        </button>
        <button className={`latest-episode-player__play${buffering ? ' latest-episode-player__play--buffering' : ''}`} onClick={togglePlay} aria-label={playing ? 'Pause' : 'Play'}>
          {playing
            ? <svg viewBox="0 0 24 24" fill="currentColor" aria-hidden="true"><rect x="6" y="4" width="4" height="16"/><rect x="14" y="4" width="4" height="16"/></svg>
            : <svg viewBox="0 0 24 24" fill="currentColor" aria-hidden="true"><polygon points="5,3 19,12 5,21"/></svg>
          }
        </button>
        <button className="latest-episode-player__skip" onClick={() => skip(30)} aria-label="Forward 30 seconds">
          <svg viewBox="0 0 24 24" fill="currentColor" aria-hidden="true"><path d="M12.01 5V1l5 5-5 5V7c-3.31 0-6 2.69-6 6s2.69 6 6 6 6-2.69 6-6h2c0 4.42-3.58 8-8 8s-8-3.58-8-8 3.58-8 8-8z"/><text x="12" y="15" textAnchor="middle" fontSize="5.5" fontFamily="sans-serif" fill="currentColor">30</text></svg>
          <span>fwd</span>
        </button>
      </div>
      <div className="latest-episode-player__bar" onClick={seek} role="slider" aria-label="Seek" aria-valuenow={Math.round(currentTime)} aria-valuemin={0} aria-valuemax={Math.round(duration)} tabIndex={0} onKeyDown={e => { const a = audioRef.current; if (!a) return; if (e.key === 'ArrowRight') a.currentTime = Math.min(duration, a.currentTime + 10); if (e.key === 'ArrowLeft') a.currentTime = Math.max(0, a.currentTime - 10) }}>
        <div className="latest-episode-player__fill" style={{ width: `${pct}%` }} />
        <div className="latest-episode-player__thumb" style={{ left: `${pct}%` }} />
      </div>
      <div className="latest-episode-player__times">
        <span>{fmt(currentTime)}</span>
        <span>{fmt(duration)}</span>
      </div>
      {content.platformSpotifyUrl && (
        <div className="latest-episode-player__spotify-row">
          <a href={content.platformSpotifyUrl} target="_blank" rel="noreferrer" className="latest-episode-player__spotify-link">
            <svg viewBox="0 0 24 24" fill="currentColor" aria-hidden="true"><path d="M12 2C6.477 2 2 6.477 2 12s4.477 10 10 10 10-4.477 10-10S17.523 2 12 2zm4.586 14.424a.623.623 0 01-.857.207c-2.348-1.435-5.304-1.76-8.785-.964a.623.623 0 11-.277-1.215c3.809-.87 7.076-.496 9.712 1.115a.623.623 0 01.207.857zm1.223-2.722a.779.779 0 01-1.072.257c-2.687-1.652-6.785-2.131-9.965-1.166a.78.78 0 01-.973-.519.779.779 0 01.519-.972c3.632-1.102 8.147-.568 11.234 1.328a.779.779 0 01.257 1.072zm.105-2.835C14.692 8.95 9.375 8.775 6.297 9.71a.935.935 0 11-.543-1.79c3.532-1.072 9.404-.865 13.115 1.338a.935.935 0 01-.955 1.609z"/></svg>
            Also on Spotify
          </a>
        </div>
      )}
    </div>
  )
}

function EpisodesPage({ content }: { content: SiteContent }) {
  const siteTitle = content.seo?.title || DEFAULTS.seo.title
  usePageMeta(
    `Episodes | ${siteTitle}`,
    content.episodesSeoIntro || 'Browse all episodes of Verse by Verse with Nate — expository Bible teaching, one verse at a time.',
  )

  return (
    <div className="site">
      <SiteHeader content={content} />
      <SiteSearchBar content={content} />
      <PageBanner eyebrow="Episodes" title="Podcast Episodes" desc={content.episodesSeoIntro || 'Expository Bible teaching — one verse at a time.'} />

      <section className="section-player" aria-label="Current series episodes">
        <div className="section-inner">
          <p className="episode-seo-intro" aria-hidden="true">
            {content.episodesSeoIntro || 'Verse by Verse with Nate is an expository Bible teaching podcast where we go through Scripture one verse at a time. Each episode digs into the text carefully and practically, helping you understand what the Bible says, what it means, and how to live it out. New episodes released regularly — subscribe on Spotify or your favorite podcast platform.'}
          </p>
          <div className="embed-wrap">
            <LatestEpisodePlayer content={content} />
          </div>
          <PlatformButtons content={content} />
          <HeadlinerWidget />
        </div>
      </section>

      <HomepageNewsletterSection />
      <PodcastHighlightsSection content={content} />
      <CustomBlocksSection content={content} page="episodes" />
      <SiteFooter content={content} />
      <AnalyticsConsentBanner content={content} />
    </div>
  )
}

interface NuggetsEpisode {
  title: string
  pubDate: string
  link: string
  audioUrl: string
  description: string
  duration: string
  episode: string
  season: string
}

function NuggetsPage({ content }: { content: SiteContent }) {
  const siteTitle = content.seo?.title || DEFAULTS.seo.title
  const nuggets = content.nuggets ?? DEFAULTS.nuggets
  usePageMeta(
    `${nuggets.title} | ${siteTitle}`,
    nuggets.description || nuggets.tagline || `${nuggets.title} — a companion show from ${siteTitle}.`,
  )

  const [episodes, setEpisodes] = useState<NuggetsEpisode[]>([])
  const [loading, setLoading] = useState(true)
  const [configured, setConfigured] = useState(false)

  useEffect(() => {
    fetch('/api/nuggets/episodes/all')
      .then(r => r.ok ? r.json() : Promise.reject(r.status))
      .then((d: { episodes?: NuggetsEpisode[]; configured?: boolean }) => {
        setEpisodes(Array.isArray(d.episodes) ? d.episodes : [])
        setConfigured(d.configured !== false)
      })
      .catch(() => {})
      .finally(() => setLoading(false))
  }, [])

  const [latest, ...rest] = episodes
  const activeHosts = (nuggets.hosts ?? []).filter(h => !h.archived)

  return (
    <div className="site">
      <SiteHeader content={content} />
      <SiteSearchBar content={content} />
      <PageBanner eyebrow="Sub-Show" title={nuggets.title} desc={nuggets.tagline} />

      {(nuggets.podcastArtUrl || nuggets.description || nuggets.spotifyUrl || nuggets.appleUrl) && (
        <section className="section-nuggets-intro" aria-label={`About ${nuggets.title}`}>
          <div className="section-inner nuggets-intro-layout">
            {nuggets.podcastArtUrl && <img src={nuggets.podcastArtUrl} alt={nuggets.title} className="nuggets-podcast-art" />}
            <div className="nuggets-intro-body">
              {nuggets.description && <p className="nuggets-description">{nuggets.description}</p>}
              {(nuggets.spotifyUrl || nuggets.appleUrl) && (
                <div className="nuggets-platform-links">
                  {nuggets.spotifyUrl && <a href={nuggets.spotifyUrl} target="_blank" rel="noopener noreferrer" className="btn-primary">Listen on Spotify</a>}
                  {nuggets.appleUrl && <a href={nuggets.appleUrl} target="_blank" rel="noopener noreferrer" className="btn-secondary">Listen on Apple Podcasts</a>}
                </div>
              )}
            </div>
          </div>
        </section>
      )}

      <section className="section-nuggets-body" aria-label={`${nuggets.title} hosts and episodes`}>
        <div className="section-inner">
          {activeHosts.length > 0 && (
            <div className="nuggets-hosts-row-wrap">
              <p className="eyebrow" style={{ marginBottom: '1rem' }}>Meet the Hosts</p>
              <div className="nuggets-hosts-row">
                {activeHosts.map(host => (
                  <Link key={host.id} to={`/nuggets/hosts/${host.id}`} className="nuggets-host-pill">
                    {host.imageUrl && <img src={host.imageUrl} alt={host.name} className="nuggets-host-pill-img" loading="lazy" />}
                    <span className="nuggets-host-pill-name">{host.name}</span>
                  </Link>
                ))}
              </div>
            </div>
          )}

          <div className="nuggets-episodes-full">
            <p className="eyebrow">Episodes</p>
            {loading ? (
              <p className="nuggets-episodes-note">Loading episodes…</p>
            ) : !configured ? (
              <p className="nuggets-episodes-note">Episodes are coming soon — check back once the show launches.</p>
            ) : episodes.length === 0 ? (
              <p className="nuggets-episodes-note">No episodes published yet.</p>
            ) : (
              <>
                <div className="nuggets-latest-episode">
                  <p className="nuggets-latest-episode-eyebrow">Latest Episode</p>
                  <h2 className="nuggets-latest-episode-title">{latest.title}</h2>
                  {latest.description && <p className="nuggets-latest-episode-desc">{latest.description}</p>}
                  {latest.audioUrl && <EpisodeAudioPlayer src={latest.audioUrl} title={latest.title} size="full" />}
                </div>
                {rest.length > 0 && (
                  <ol className="finished-series-playlist nuggets-episode-list">
                    {rest.map((ep, i) => (
                      <li key={ep.audioUrl || i} className="finished-series-episode">
                        <span className="finished-series-ep-num">{ep.episode || i + 2}</span>
                        <div className="finished-series-ep-body">
                          <p className="finished-series-ep-title">{ep.title}</p>
                          {ep.description && <p className="nuggets-latest-episode-desc" style={{ fontSize: '0.88rem', margin: '3px 0 6px' }}>{ep.description}</p>}
                          {ep.duration && <p className="finished-series-ep-meta">{ep.duration}</p>}
                          {ep.audioUrl && <EpisodeAudioPlayer src={ep.audioUrl} title={ep.title} />}
                        </div>
                      </li>
                    ))}
                  </ol>
                )}
              </>
            )}
          </div>
        </div>
      </section>

      <SiteFooter content={content} />
      <AnalyticsConsentBanner content={content} />
    </div>
  )
}

function NuggetsHostDetailPage({ content }: { content: SiteContent }) {
  const { hostId } = useParams<{ hostId: string }>()
  const nuggets = content.nuggets ?? DEFAULTS.nuggets
  const siteTitle = content.seo?.title || DEFAULTS.seo.title
  const host = (nuggets.hosts ?? []).find(h => h.id === hostId && !h.archived)

  usePageMeta(
    host ? `${host.name} | ${nuggets.title} | ${siteTitle}` : `Host | ${nuggets.title} | ${siteTitle}`,
    host?.bio || `Meet ${host?.name}, a host on ${nuggets.title}.`,
  )

  if (!host) {
    return (
      <div className="site">
        <SiteHeader content={content} />
        <SiteSearchBar content={content} />
        <PageBanner eyebrow="Nuggets" title="Host Not Found" desc="This host profile doesn't exist or has been removed." />
        <section className="section-nuggets-body" style={{ textAlign: 'center', paddingBottom: '4rem' }}>
          <Link to="/nuggets" className="btn-secondary">&larr; Back to Nuggets</Link>
        </section>
        <SiteFooter content={content} />
        <AnalyticsConsentBanner content={content} />
      </div>
    )
  }

  return (
    <div className="site">
      <SiteHeader content={content} />
      <SiteSearchBar content={content} />
      <PageBanner eyebrow={nuggets.title} title={host.name} desc={host.role} />
      <section className="section-nuggets-body" aria-label={`${host.name} profile`}>
        <div className="section-inner nuggets-host-detail-layout">
          <div className="nuggets-host-detail-photo-col">
            {host.imageUrl && (
              <img src={host.imageUrl} alt={host.name} className="nuggets-host-detail-photo" />
            )}
          </div>
          <div className="nuggets-host-detail-body">
            {host.bio && host.bio.split(/\n\n+/).map((para, i) => (
              <p key={i} className="nuggets-host-detail-bio">{para.replace(/\n/g, ' ')}</p>
            ))}
            {(nuggets.spotifyUrl || nuggets.appleUrl) && (
              <div className="nuggets-host-detail-listen">
                <p className="eyebrow" style={{ marginBottom: '0.75rem' }}>Listen to {nuggets.title}</p>
                <div className="nuggets-platform-links">
                  {nuggets.spotifyUrl && <a href={nuggets.spotifyUrl} target="_blank" rel="noopener noreferrer" className="btn-primary">Listen on Spotify</a>}
                  {nuggets.appleUrl && <a href={nuggets.appleUrl} target="_blank" rel="noopener noreferrer" className="btn-secondary">Listen on Apple Podcasts</a>}
                </div>
              </div>
            )}
            <div style={{ marginTop: '2rem' }}>
              <Link to="/nuggets" className="nuggets-host-detail-back">&larr; Back to {nuggets.title}</Link>
            </div>
          </div>
        </div>
      </section>
      <SiteFooter content={content} />
      <AnalyticsConsentBanner content={content} />
    </div>
  )
}

function ResourcesPage({ content }: { content: SiteContent }) {
  const siteTitle = content.seo?.title || DEFAULTS.seo.title
  usePageMeta(
    `Resources | ${siteTitle}`,
    'Study guides, sermon notes, and free resources from Verse by Verse with Nate.',
  )
  return (
    <div className="site">
      <SiteHeader content={content} />
      <SiteSearchBar content={content} />
      <PageBanner eyebrow="Resources" title="Study Guides & Resources" desc="Free guides, worksheets, and curated resources to help you go deeper in Scripture." />
      <ResourcesHub content={content} downloadPath={id => `/downloads/${buildCustomDownloadPageId(id)}`} fallback={<TruthForLifeWidget type="resourcead" />} />
      <CustomBlocksSection content={content} page="downloads" />
      <SiteFooter content={content} />
      <AnalyticsConsentBanner content={content} />
    </div>
  )
}

// Canonical book list lives in shared/bible-books.js so the client (Scripture
// Index book matching, below) and the server (server/routes/bible-passage.js,
// the BSB passage-fetch API) can't drift out of sync with each other.
const SI_BOOK_MAP: Record<string, string> = {}
const SI_BOOK_NAME: Record<string, string> = {}
const SI_BOOK_ORDER: string[] = []
for (const b of BIBLE_BOOKS) {
  // Admin's "Bible Book" field strips all whitespace (e.g. "1corinthians"), so
  // index both the spaced and unspaced forms of every name/alias.
  for (const key of [b.name.toLowerCase(), ...(b.aliases ?? [])]) {
    SI_BOOK_MAP[key] = b.id
    SI_BOOK_MAP[key.replace(/\s+/g, '')] = b.id
  }
  SI_BOOK_NAME[b.id] = b.name
  SI_BOOK_ORDER.push(b.id)
}

function parseSIRef(ref: string) {
  // Supports same-chapter ranges ("5:15-20") and chapter-spanning ranges ("5:15-6:2").
  const m = ref.match(/^(.*?)\s+(\d+):(\d+)(?:-(?:(\d+):)?(\d+))?$/)
  if (!m) return null
  const bookId = SI_BOOK_MAP[m[1].toLowerCase().replace(/\.\s*/g, ' ').trim()]
  if (!bookId) return null
  const chapter = parseInt(m[2], 10)
  const endChapter = m[4] ? parseInt(m[4], 10) : chapter
  return {
    bookId,
    chapter,
    endChapter,
    verseStart: parseInt(m[3], 10),
    verseEnd: m[5] ? parseInt(m[5], 10) : parseInt(m[3], 10),
  }
}

type HellaoContent = Array<{ type: string; number?: number; content?: Array<{ text?: string } | string> }>

function extractVerseRange(chContent: HellaoContent, verseStart: number, verseEnd: number): string {
  const texts: string[] = []
  for (const item of chContent) {
    if (item.type === 'verse' && item.number != null && item.number >= verseStart && item.number <= verseEnd) {
      const t = (item.content ?? []).map(c => (typeof c === 'string' ? c : ((c as { text?: string }).text ?? ''))).join('').trim()
      if (t) texts.push(t)
    }
  }
  return texts.join(' ')
}

interface ScriptureIndexEntry {
  reference: string
  sourceType: 'study' | 'episode'
  sourceTitle: string
  sectionTitle?: string
  url: string
}

interface ScriptureSource { type: 'study' | 'episode'; label: string; url: string }

interface ScriptureRow {
  key: string
  displayRef: string
  bookId: string | null
  chapter: number
  endChapter: number
  verseStart: number
  verseEnd: number
  sources: ScriptureSource[]
}

interface ScriptureBookGroup { bookId: string; bookName: string; rows: ScriptureRow[] }

function ScriptureIndexPage({ content }: { content: SiteContent }) {
  const siteTitle = content.seo?.title || DEFAULTS.seo.title
  usePageMeta(
    `Scripture Index | ${siteTitle}`,
    'Every passage covered across our studies and episodes, organized by Scripture reference. Find the lesson or episode for any verse.',
  )
  const [entries, setEntries] = useState<ScriptureIndexEntry[]>([])
  const [loading, setLoading] = useState(true)
  const [query, setQuery] = useState('')
  const [testament, setTestament] = useState<'all' | 'ot' | 'nt'>('all')
  const [sourceFilter, setSourceFilter] = useState<'all' | 'episode' | 'study'>('all')
  const [bookFilter, setBookFilter] = useState<string | null>(null)
  const [toggled, setToggled] = useState<Record<string, boolean>>({})
  const [verseTexts, setVerseTexts] = useState<Record<string, string>>({})
  const [shownVerses, setShownVerses] = useState<Set<string>>(new Set())
  const chapterCache = useRef<Map<string, Promise<HellaoContent>>>(new Map())

  useEffect(() => {
    fetch('/api/public/scripture-index')
      .then(r => r.json())
      .then(d => { if (Array.isArray(d.entries)) setEntries(d.entries) })
      .catch(() => {})
      .finally(() => setLoading(false))
  }, [])

  // Merge entries that share the same reference (a study lesson and an episode can both
  // cover the same passage) into one row, then group rows by book in canonical Bible order.
  const { bookGroups, otherRows } = useMemo(() => {
    const rowMap = new Map<string, ScriptureRow>()
    const order: string[] = []
    for (const entry of entries) {
      const parsed = parseSIRef(entry.reference)
      const source: ScriptureSource = {
        type: entry.sourceType,
        url: entry.url,
        label: entry.sourceType === 'study'
          ? `${entry.sourceTitle}${entry.sectionTitle ? ` — ${entry.sectionTitle}` : ''}`
          : entry.sourceTitle,
      }
      const key = parsed
        ? `${parsed.bookId}-${parsed.chapter}-${parsed.verseStart}-${parsed.endChapter}-${parsed.verseEnd}`
        : `other-${entry.reference.trim().toLowerCase()}`
      let row = rowMap.get(key)
      if (!row) {
        const spansChapters = parsed && parsed.endChapter !== parsed.chapter
        row = {
          key,
          displayRef: parsed
            ? spansChapters
              ? `${SI_BOOK_NAME[parsed.bookId]} ${parsed.chapter}:${parsed.verseStart}-${parsed.endChapter}:${parsed.verseEnd}`
              : `${SI_BOOK_NAME[parsed.bookId]} ${parsed.chapter}:${parsed.verseStart}${parsed.verseEnd !== parsed.verseStart ? `-${parsed.verseEnd}` : ''}`
            : entry.reference.trim(),
          bookId: parsed?.bookId ?? null,
          chapter: parsed?.chapter ?? 0,
          endChapter: parsed?.endChapter ?? parsed?.chapter ?? 0,
          verseStart: parsed?.verseStart ?? 0,
          verseEnd: parsed?.verseEnd ?? 0,
          sources: [],
        }
        rowMap.set(key, row)
        order.push(key)
      }
      if (!row.sources.some(s => s.url === source.url && s.label === source.label)) row.sources.push(source)
    }

    const groupsByBook = new Map<string, ScriptureRow[]>()
    const other: ScriptureRow[] = []
    for (const k of order) {
      const row = rowMap.get(k)!
      if (!row.bookId) { other.push(row); continue }
      if (!groupsByBook.has(row.bookId)) groupsByBook.set(row.bookId, [])
      groupsByBook.get(row.bookId)!.push(row)
    }
    const groups: ScriptureBookGroup[] = SI_BOOK_ORDER
      .filter(id => groupsByBook.has(id))
      .map(id => ({
        bookId: id,
        bookName: SI_BOOK_NAME[id],
        rows: groupsByBook.get(id)!.sort((a, b) => a.chapter - b.chapter || a.verseStart - b.verseStart),
      }))
    other.sort((a, b) => a.displayRef.localeCompare(b.displayRef))
    return { bookGroups: groups, otherRows: other }
  }, [entries])

  // Apply the search box and filters
  const needle = query.trim().toLowerCase()
  const rowMatches = (row: ScriptureRow) => {
    if (sourceFilter !== 'all' && !row.sources.some(src => src.type === sourceFilter)) return false
    if (!needle) return true
    return row.displayRef.toLowerCase().includes(needle) || row.sources.some(src => src.label.toLowerCase().includes(needle))
  }
  const isOldTestament = (bookId: string) => SI_BOOK_ORDER.indexOf(bookId) < 39
  const visibleGroups = bookGroups
    .filter(g => testament === 'all' || (testament === 'ot') === isOldTestament(g.bookId))
    .filter(g => !bookFilter || g.bookId === bookFilter)
    .map(g => ({ ...g, rows: g.rows.filter(rowMatches) }))
    .filter(g => g.rows.length > 0 || (needle && g.bookName.toLowerCase().includes(needle)))
    // A search by book name ("titus") should show the whole book
    .map(g => (needle && g.rows.length === 0
      ? { ...g, rows: bookGroups.find(x => x.bookId === g.bookId)!.rows.filter(r => sourceFilter === 'all' || r.sources.some(src => src.type === sourceFilter)) }
      : g))
  const visibleOther = testament === 'all' && !bookFilter ? otherRows.filter(rowMatches) : []
  const totalRows = visibleGroups.reduce((n, g) => n + g.rows.length, 0) + visibleOther.length
  const filtering = Boolean(needle) || testament !== 'all' || sourceFilter !== 'all' || Boolean(bookFilter)

  // With only a few books everything starts open; a long index starts collapsed. Searching opens matches.
  const isOpen = (id: string) => toggled[id] ?? (filtering || bookGroups.length <= 4)
  const setAll = (open: boolean) => {
    const next: Record<string, boolean> = { other: open }
    for (const g of bookGroups) next[g.bookId] = open
    setToggled(next)
  }

  const fetchChapter = (bookId: string, chapter: number) => {
    const ck = `${bookId}/${chapter}`
    let promise = chapterCache.current.get(ck)
    if (!promise) {
      promise = fetch(`https://bible.helloao.org/api/BSB/${bookId}/${chapter}.json`)
        .then(r => (r.ok ? r.json() : Promise.reject(new Error('chapter failed'))))
        .then((data: { chapter: { content: HellaoContent } }) => data?.chapter?.content ?? [])
      chapterCache.current.set(ck, promise)
    }
    return promise
  }

  function toggleVerse(row: ScriptureRow) {
    const open = shownVerses.has(row.key)
    setShownVerses(prev => {
      const next = new Set(prev)
      if (open) next.delete(row.key)
      else next.add(row.key)
      return next
    })
    if (open || verseTexts[row.key] !== undefined || !row.bookId) return
    // Chapter-spanning refs (e.g. "5:15-6:2") preview only the starting chapter's verses
    const verseEnd = row.endChapter !== row.chapter ? Number.MAX_SAFE_INTEGER : row.verseEnd
    fetchChapter(row.bookId, row.chapter)
      .then(chContent => setVerseTexts(prev => ({ ...prev, [row.key]: extractVerseRange(chContent, row.verseStart, verseEnd) || '(Verse text unavailable.)' })))
      .catch(() => setVerseTexts(prev => ({ ...prev, [row.key]: '(Verse text unavailable right now.)' })))
  }

  function renderRow(row: ScriptureRow) {
    const showing = shownVerses.has(row.key)
    return (
      <li key={row.key} className="si-row">
        <div className="si-row-top">
          <span className="si-ref">{row.displayRef}</span>
          <span className="si-sources">
            {row.sources.map((src, i) => (
              <Link key={i} to={src.url} className={`si-chip si-chip--${src.type}`}>
                <span className="si-chip-kind">{src.type === 'episode' ? 'Episode' : 'Study'}</span>
                <span className="si-chip-label">{src.label}</span>
              </Link>
            ))}
          </span>
          {row.bookId && (
            <button type="button" className="si-verse-btn" aria-expanded={showing} onClick={() => toggleVerse(row)}>
              {showing ? 'Hide verse' : 'Show verse'}
            </button>
          )}
        </div>
        {showing && (
          <p className="si-verse">{verseTexts[row.key] !== undefined ? `“${verseTexts[row.key]}”` : 'Loading…'}</p>
        )}
      </li>
    )
  }

  const hasContent = bookGroups.length > 0 || otherRows.length > 0
  const pill = (active: boolean) => `si-pill${active ? ' si-pill--on' : ''}`

  return (
    <div className="site">
      <SiteHeader content={content} />
      <SiteSearchBar content={content} />
      <PageBanner eyebrow="Reference" title="Scripture Index" desc="Every passage covered across our studies and episodes, organized by Scripture reference. Find the lesson or episode for any verse." />
      <main className="si-main">
        <div className="section-inner">
          {loading ? (
            <p className="si-note">Loading…</p>
          ) : !hasContent ? (
            <p className="si-note">No Scripture references are published yet.</p>
          ) : (
            <>
              <div className="si-toolbar">
                <input
                  type="search"
                  className="si-search"
                  placeholder="Search a passage or book (e.g. Titus 2)…"
                  aria-label="Search the Scripture index"
                  value={query}
                  onChange={e => setQuery(e.target.value)}
                />
                <div className="si-filters">
                  <div className="si-pills" role="group" aria-label="Testament">
                    <button type="button" className={pill(testament === 'all')} onClick={() => { setTestament('all'); setBookFilter(null) }}>All</button>
                    <button type="button" className={pill(testament === 'ot')} onClick={() => { setTestament('ot'); setBookFilter(null) }}>Old Testament</button>
                    <button type="button" className={pill(testament === 'nt')} onClick={() => { setTestament('nt'); setBookFilter(null) }}>New Testament</button>
                  </div>
                  <div className="si-pills" role="group" aria-label="Source">
                    <button type="button" className={pill(sourceFilter === 'all')} onClick={() => setSourceFilter('all')}>Everything</button>
                    <button type="button" className={pill(sourceFilter === 'episode')} onClick={() => setSourceFilter('episode')}>Episodes</button>
                    <button type="button" className={pill(sourceFilter === 'study')} onClick={() => setSourceFilter('study')}>Studies</button>
                  </div>
                </div>
              </div>

              {bookGroups.length > 1 && (
                <div className="si-books" role="group" aria-label="Books covered">
                  {bookGroups.map(g => (
                    <button
                      key={g.bookId}
                      type="button"
                      className={pill(bookFilter === g.bookId)}
                      onClick={() => setBookFilter(bookFilter === g.bookId ? null : g.bookId)}
                    >
                      {g.bookName} <span>{g.rows.length}</span>
                    </button>
                  ))}
                </div>
              )}

              <div className="si-meta">
                <span>{totalRows} passage{totalRows === 1 ? '' : 's'}{filtering ? ' match' : ''}</span>
                <span className="si-meta-actions">
                  {filtering && (
                    <button type="button" className="si-link" onClick={() => { setQuery(''); setTestament('all'); setSourceFilter('all'); setBookFilter(null) }}>Clear filters</button>
                  )}
                  <button type="button" className="si-link" onClick={() => setAll(true)}>Expand all</button>
                  <button type="button" className="si-link" onClick={() => setAll(false)}>Collapse all</button>
                </span>
              </div>

              {totalRows === 0 ? (
                <p className="si-note">Nothing matches that. Try a book name like “Titus”, or clear the filters.</p>
              ) : (
                <div className="si-groups">
                  {visibleGroups.map(group => {
                    const open = isOpen(group.bookId)
                    return (
                      <section key={group.bookId} className="si-group">
                        <button type="button" className="si-group-head" aria-expanded={open} onClick={() => setToggled(t => ({ ...t, [group.bookId]: !open }))}>
                          <span className="si-group-name">{group.bookName}</span>
                          <span className="si-group-count">{group.rows.length} passage{group.rows.length === 1 ? '' : 's'}</span>
                          <span className="si-chev" aria-hidden="true">{open ? '−' : '+'}</span>
                        </button>
                        {open && <ul className="si-list">{group.rows.map(renderRow)}</ul>}
                      </section>
                    )
                  })}
                  {visibleOther.length > 0 && (
                    <section className="si-group">
                      <button type="button" className="si-group-head" aria-expanded={isOpen('other')} onClick={() => setToggled(t => ({ ...t, other: !isOpen('other') }))}>
                        <span className="si-group-name">Other references</span>
                        <span className="si-group-count">{visibleOther.length} passage{visibleOther.length === 1 ? '' : 's'}</span>
                        <span className="si-chev" aria-hidden="true">{isOpen('other') ? '−' : '+'}</span>
                      </button>
                      {isOpen('other') && <ul className="si-list">{visibleOther.map(renderRow)}</ul>}
                    </section>
                  )}
                </div>
              )}
            </>
          )}
        </div>
      </main>
      <SiteFooter content={content} />
      <AnalyticsConsentBanner content={content} />
    </div>
  )
}

function AboutPage({ content }: { content: SiteContent }) {
  const siteTitle = content.seo?.title || DEFAULTS.seo.title
  usePageMeta(
    `About | ${siteTitle}`,
    content.aboutNate || 'Learn about Verse by Verse with Nate — expository Bible teaching from Nate Emmert.',
  )
  return (
    <div className="site">
      <SiteHeader content={content} />
      <SiteSearchBar content={content} />
      <PageBanner eyebrow="About" title="About the Show" />
      <AboutSection content={content} />
      <TestimonialsSection testimonials={content.testimonials ?? []} />
      <KofiSupportSection content={content} />
      <CustomBlocksSection content={content} page="about" />
      <SiteFooter content={content} />
      <AnalyticsConsentBanner content={content} />
    </div>
  )
}

function ContactPage({ content }: { content: SiteContent }) {
  const siteTitle = content.seo?.title || DEFAULTS.seo.title
  usePageMeta(
    `Contact | ${siteTitle}`,
    'Get in touch with Nate — submit a Bible question, testimony, or topic request.',
  )
  return (
    <div className="site">
      <SiteHeader content={content} />
      <SiteSearchBar content={content} />
      <PageBanner eyebrow={content.contactEyebrow || 'Contact'} title={content.contactHeading || 'Get in Touch'} />
      <ContactSection content={content} />
      <KofiSupportSection content={content} />
      <CustomBlocksSection content={content} page="contact" />
      <SiteFooter content={content} />
      <AnalyticsConsentBanner content={content} />
    </div>
  )
}

// Splits "Step 2: Use Q&A to Go Deeper" into its number and title so the number can be
// rendered as a badge. Titles without a "Step N:" prefix fall back to the position.
function splitStepTitle(title: string | undefined, fallbackNumber: number) {
  const text = (title ?? '').trim()
  const match = /^step\s*(\d+)\s*[:.\-–—]\s*(.+)$/i.exec(text)
  return match ? { number: match[1], title: match[2] } : { number: String(fallbackNumber), title: text }
}

function StartHerePage({ content }: { content: SiteContent }) {
  const siteTitle = content.seo?.title || DEFAULTS.seo.title
  usePageMeta(
    `Start Here | ${siteTitle}`,
    content.startHereIntro || 'A beginner\'s guide to Verse by Verse with Nate.',
  )
  const steps = [
    { icon: '🎧', title: content.startHereStep1Title, body: content.startHereStep1Body, cta: content.startHereStep1Cta, to: '/episodes', primary: false },
    { icon: '🔎', title: content.startHereStep2Title, body: content.startHereStep2Body, cta: content.startHereStep2Cta, to: '/questions', primary: false },
    { icon: '✉️', title: content.startHereStep3Title, body: content.startHereStep3Body, cta: content.startHereStep3Cta, to: '/contact', primary: true },
  ]
  return (
    <div className="site">
      <SiteHeader content={content} />
      <SiteSearchBar content={content} />
      <main className="start-page" aria-labelledby="start-here-heading">
        <header className="start-hero">
          <p className="eyebrow">Verse by Verse with Nate</p>
          <h1 id="start-here-heading">{content.startHereHeading}</h1>
          {content.startHereIntro && <p className="start-intro">{content.startHereIntro}</p>}
        </header>

        <ol className="start-steps">
          {steps.map((step, index) => {
            const { number, title } = splitStepTitle(step.title, index + 1)
            return (
              <li className="start-step" key={step.to}>
                <div className="start-step-top">
                  <span className="start-step-number" aria-hidden="true">{number}</span>
                  <span className="start-step-icon" aria-hidden="true">{step.icon}</span>
                </div>
                <p className="start-step-label">Step {number}</p>
                <h2 className="start-step-title">{title}</h2>
                <p className="start-step-body">{step.body}</p>
                <Link to={step.to} className={`${step.primary ? 'btn-primary' : 'btn-secondary'} start-step-cta`}>
                  {step.cta} <span aria-hidden="true">→</span>
                </Link>
              </li>
            )
          })}
        </ol>

        <p className="start-back"><Link to="/">← Back to site</Link></p>
      </main>
      <SiteFooter content={content} />
      <AnalyticsConsentBanner content={content} />
    </div>
  )
}

function ThankYouPage() {
  const navigate = useNavigate()
  const [secondsLeft, setSecondsLeft] = useState(15)

  useEffect(() => {
    const timeoutId = window.setTimeout(() => {
      navigate('/')
    }, 15000)

    const intervalId = window.setInterval(() => {
      setSecondsLeft(s => (s > 0 ? s - 1 : 0))
    }, 1000)

    return () => {
      window.clearTimeout(timeoutId)
      window.clearInterval(intervalId)
    }
  }, [navigate])

  return (
    <main className="thanks-page" aria-label="Thank you">
      <div className="thanks-card">
        <p className="eyebrow">Message Received</p>
        <h1>Thank You</h1>
        <p>
          Your message was sent successfully. We appreciate you reaching out and will get back to you soon.
        </p>
        <p className="thanks-countdown">Returning to the main site in {secondsLeft} seconds...</p>
        <button type="button" className="btn-primary" onClick={() => navigate('/')}>
          Go Back Now
        </button>
      </div>
    </main>
  )
}

function SubscribePage() {
  const navigate = useNavigate()
  const [firstName, setFirstName] = useState('')
  const [lastName, setLastName] = useState('')
  const [email, setEmail] = useState('')
  const [honey, setHoney] = useState('')
  const [status, setStatus] = useState<'idle' | 'submitting' | 'error'>('idle')
  const [errorMsg, setErrorMsg] = useState('')

  async function handleSubmit(e: React.FormEvent) {
    e.preventDefault()
    setStatus('submitting')
    setErrorMsg('')

    try {
      const res = await fetch('/api/contact', {
        method: 'POST',
        headers: { 'Content-Type': 'application/json' },
        body: JSON.stringify({
          firstName,
          lastName,
          email,
          messageType: 'general',
          message: 'Newsletter signup from subscribe page',
          subscribe: true,
          _honey: honey,
        }),
      })

      if (!res.ok) {
        const data = await res.json().catch(() => ({}))
        setErrorMsg((data as { message?: string }).message ?? 'Something went wrong. Please try again.')
        setStatus('error')
        return
      }

      navigate('/subscribe/thanks')
    } catch {
      setErrorMsg('Could not connect. Please try again later.')
      setStatus('error')
    }
  }

  return (
    <main className="thanks-page" aria-label="Subscribe">
      <div className="thanks-card subscribe-card">
        <p className="eyebrow">Verse by Verse with Nate</p>
        <h1>Subscribe for Updates</h1>
        <p>
          Get ministry updates and new episode announcements by email.
        </p>

        <form className="contact-form subscribe-form" onSubmit={handleSubmit} noValidate>
          <input
            type="text"
            className="contact-honeypot"
            tabIndex={-1}
            autoComplete="off"
            aria-hidden="true"
            value={honey}
            onChange={e => setHoney(e.target.value)}
          />
          <label>
            First Name
            <input
              type="text"
              name="firstName"
              required
              autoComplete="given-name"
              value={firstName}
              onChange={e => setFirstName(e.target.value)}
            />
          </label>
          <label>
            Last Name
            <input
              type="text"
              name="lastName"
              required
              autoComplete="family-name"
              value={lastName}
              onChange={e => setLastName(e.target.value)}
            />
          </label>
          <label>
            Email
            <input
              type="email"
              name="email"
              required
              autoComplete="email"
              value={email}
              onChange={e => setEmail(e.target.value)}
            />
          </label>

          {status === 'error' && <p className="contact-error">{errorMsg}</p>}

          <button type="submit" className="btn-primary" disabled={status === 'submitting'}>
            {status === 'submitting' ? 'Subscribing…' : 'Subscribe'}
          </button>
          <Link to="/" className="btn-secondary">Back to Site</Link>
        </form>
      </div>
    </main>
  )
}

function SubscribeThankYouPage() {
  return (
    <main className="thanks-page" aria-label="Subscription confirmed">
      <div className="thanks-card">
        <p className="eyebrow">Verse by Verse with Nate</p>
        <h1>You are subscribed</h1>
        <p>
          Thank you for subscribing. You will receive future ministry updates and episode announcements.
        </p>
        <Link to="/" className="btn-primary">Back to Site</Link>
      </div>
    </main>
  )
}

function LegalPage({ title, body }: { title: string; body: string[] }) {
  return (
    <main className="thanks-page" aria-label={title}>
      <div className="thanks-card">
        <p className="eyebrow">Verse by Verse with Nate</p>
        <h1>{title}</h1>
        {body.map((line, idx) => (
          <p key={`${title}-${idx}`}>{line}</p>
        ))}
        <Link to="/" className="btn-primary">Back to Site</Link>
      </div>
    </main>
  )
}

// Certificate links emailed before v2.10.10 pointed at /study/certificate/:token.
function LegacyCertificateRedirect() {
  const { token } = useParams<{ token: string }>()
  return <Navigate to={`/certificate/${encodeURIComponent(token ?? '')}`} replace />
}

function PublicCertificatePage() {
  const { token } = useParams<{ token: string }>()
  const [cert, setCert] = useState<{ studyTitle: string; displayName: string; issuedAt: string } | null>(null)
  const [status, setStatus] = useState<'loading' | 'not-found' | 'ready'>('loading')

  useEffect(() => {
    if (!token) { setStatus('not-found'); return }
    fetch(`/api/public/certificate/${encodeURIComponent(token)}`)
      .then(r => r.ok ? r.json() : Promise.reject())
      .then(data => { setCert(data); setStatus('ready') })
      .catch(() => setStatus('not-found'))
  }, [token])

  usePageMeta(
    cert ? `Certificate of Completion – ${cert.studyTitle}` : 'Certificate',
    cert ? `${cert.displayName} completed ${cert.studyTitle}` : undefined,
  )

  if (status === 'loading') {
    return (
      <main className="thanks-page">
        <div className="cert-skeleton-wrap" aria-busy="true" aria-label="Loading certificate">
          <div className="cert-skeleton-card">
            <div className="cert-skeleton-line cert-skeleton-line--short" />
            <div className="cert-skeleton-line cert-skeleton-line--title" />
            <div className="cert-skeleton-line cert-skeleton-line--medium" />
            <div className="cert-skeleton-line cert-skeleton-line--short" />
          </div>
        </div>
      </main>
    )
  }
  if (status === 'not-found' || !cert) {
    return (
      <main className="thanks-page">
        <div className="thanks-card">
          <h1>Certificate Not Found</h1>
          <p>This certificate link is invalid or has been removed.</p>
          <Link to="/" className="btn-primary">Back to Site</Link>
        </div>
      </main>
    )
  }

  return (
    <main className="thanks-page public-cert-page" aria-label="Certificate of Completion">
      <div className="public-cert-card">
        {/* Corner ornaments */}
        <span className="cert-corner cert-corner--tl" aria-hidden="true">✦</span>
        <span className="cert-corner cert-corner--tr" aria-hidden="true">✦</span>
        <span className="cert-corner cert-corner--bl" aria-hidden="true">✦</span>
        <span className="cert-corner cert-corner--br" aria-hidden="true">✦</span>

        <div className="cert-inner">
          <p className="cert-issuer">✦ &nbsp; Verse by Verse with Nate &nbsp; ✦</p>

          <div className="cert-ornament-rule">
            <span className="cert-rule-line" />
            <span className="cert-rule-diamond">◆</span>
            <span className="cert-rule-line" />
          </div>

          <h1 className="cert-title">Certificate<br />of Completion</h1>

          <div className="cert-ornament-rule cert-ornament-rule--sm">
            <span className="cert-rule-line" />
            <span className="cert-rule-diamond">◆</span>
            <span className="cert-rule-line" />
          </div>

          <p className="cert-presented">Presented to</p>
          <p className="cert-name">{cert.displayName}</p>

          <p className="cert-body-text">
            in recognition of faithful study and completion of
          </p>
          <p className="cert-study">{cert.studyTitle}</p>

          <div className="cert-seal" aria-hidden="true">
            <span className="cert-seal-ring">
              <span className="cert-seal-inner">✦</span>
            </span>
          </div>

          <div className="cert-ornament-rule cert-ornament-rule--sm">
            <span className="cert-rule-line" />
            <span className="cert-rule-diamond">◆</span>
            <span className="cert-rule-line" />
          </div>

          <p className="cert-date">
            Awarded on {new Date(cert.issuedAt).toLocaleDateString('en-US', { year: 'numeric', month: 'long', day: 'numeric' })}
          </p>

          <Link to="/" className="cert-back-link">Visit Verse by Verse with Nate →</Link>
        </div>
      </div>
    </main>
  )
}

function AdminShell({ content, onSave }: { content: SiteContent; onSave: (c: SiteContent) => void }) {
  const [status, setStatus] = useState<'checking' | 'authenticated' | 'unauthenticated' | 'misconfigured'>('checking')
  const [adminContent, setAdminContent] = useState<SiteContent>(content)
  const [password, setPassword] = useState('')
  const [errorMsg, setErrorMsg] = useState('')
  const [submitting, setSubmitting] = useState(false)
  // TOTP two-step state
  const [totpRequired, setTotpRequired] = useState(false)
  const [pendingToken, setPendingToken] = useState('')
  const [totpCode, setTotpCode] = useState('')

  useEffect(() => {
    fetch('/api/admin-auth/status')
      .then(r => (r.ok ? r.json() : Promise.reject(new Error('Status failed'))))
      .then(data => {
        const next = data as { authenticated?: boolean; configured?: boolean }
        if (next.configured === false) {
          setStatus('misconfigured')
          return
        }
        setStatus(next.authenticated ? 'authenticated' : 'unauthenticated')
      })
      .catch(() => {
        setStatus('unauthenticated')
      })
  }, [])

  useEffect(() => {
    if (status === 'authenticated') return
    setAdminContent(content)
  }, [content, status])

  useEffect(() => {
    if (status !== 'authenticated') return

    let cancelled = false

    fetch('/api/admin-content?source=draft')
      .then(r => (r.ok ? r.json() : null))
      .then(data => {
        if (cancelled) return
        if (data?.siteContent) {
          setAdminContent(c => ({ ...c, ...data.siteContent }))
        }
      })
      .catch(() => {})

    return () => {
      cancelled = true
    }
  }, [status])

  function handleAdminSave(next: SiteContent) {
    setAdminContent(next)
    onSave(next)
  }

  async function handleLogin(e: React.FormEvent) {
    e.preventDefault()
    setSubmitting(true)
    setErrorMsg('')
    try {
      const res = await fetch('/api/admin-auth/login', {
        method: 'POST',
        headers: { 'Content-Type': 'application/json' },
        body: JSON.stringify({ password }),
      })
      const data = await res.json().catch(() => ({})) as { ok?: boolean; totpRequired?: boolean; pendingToken?: string; message?: string }
      if (!res.ok) {
        setErrorMsg(data.message ?? 'Login failed.')
        setSubmitting(false)
        return
      }
      if (data.totpRequired && data.pendingToken) {
        setPendingToken(data.pendingToken)
        setTotpRequired(true)
        setPassword('')
        setSubmitting(false)
        return
      }
      setStatus('authenticated')
      setPassword('')
    } catch {
      setErrorMsg('Login failed.')
    } finally {
      setSubmitting(false)
    }
  }

  async function handleTotpVerify(e: React.FormEvent) {
    e.preventDefault()
    setSubmitting(true)
    setErrorMsg('')
    try {
      const res = await fetch('/api/admin-auth/totp-verify', {
        method: 'POST',
        headers: { 'Content-Type': 'application/json' },
        body: JSON.stringify({ pendingToken, code: totpCode }),
      })
      const data = await res.json().catch(() => ({})) as { ok?: boolean; usedRecoveryCode?: boolean; remainingRecoveryCodes?: number; message?: string }
      if (!res.ok) {
        setErrorMsg(data.message ?? 'Invalid code.')
        setSubmitting(false)
        return
      }
      setStatus('authenticated')
      setTotpCode('')
    } catch {
      setErrorMsg('Verification failed.')
    } finally {
      setSubmitting(false)
    }
  }

  function handleBackToPassword() {
    setTotpRequired(false)
    setPendingToken('')
    setTotpCode('')
    setErrorMsg('')
  }

  async function handleLogout() {
    try {
      await fetch('/api/admin-auth/logout', { method: 'POST' })
    } finally {
      setStatus('unauthenticated')
      setTotpRequired(false)
      setPendingToken('')
    }
  }

  if (status === 'authenticated') {
    return <AdminPage content={adminContent} onSave={handleAdminSave} onLogout={handleLogout} />
  }

  return (
    <main className="admin-auth-page" aria-label="Admin sign in">
      <div className="admin-auth-card">
        <p className="eyebrow">Admin Access</p>
        <h1>{status === 'misconfigured' ? 'Admin Not Configured' : 'Sign in to Admin'}</h1>
        {status === 'checking' && <p className="admin-auth-note">Checking session...</p>}
        {status === 'misconfigured' && (
          <p className="admin-auth-note">Set the ADMIN_PASSWORD environment variable on the server to enable admin login.</p>
        )}
        {status === 'unauthenticated' && !totpRequired && (
          <form className="admin-auth-form" onSubmit={handleLogin}>
            <label>
              Password
              <input
                type="password"
                value={password}
                onChange={e => setPassword(e.target.value)}
                autoComplete="current-password"
                required
              />
            </label>
            {errorMsg && <p className="admin-auth-error">{errorMsg}</p>}
            <button type="submit" className="btn-primary" disabled={submitting}>
              {submitting ? 'Signing In…' : 'Sign In'}
            </button>
            <Link to="/" className="btn-secondary">Back to Site</Link>
          </form>
        )}
        {status === 'unauthenticated' && totpRequired && (
          <form className="admin-auth-form" onSubmit={handleTotpVerify}>
            <p className="admin-auth-note">Enter the 6-digit code from your authenticator app, or one of your recovery codes.</p>
            <label>
              Code
              <input
                type="text"
                inputMode="numeric"
                value={totpCode}
                onChange={e => setTotpCode(e.target.value)}
                autoComplete="one-time-code"
                placeholder="000000 or XXXX-XXXX-XXXX"
                autoFocus
                required
              />
            </label>
            {errorMsg && <p className="admin-auth-error">{errorMsg}</p>}
            <button type="submit" className="btn-primary" disabled={submitting}>
              {submitting ? 'Verifying…' : 'Verify'}
            </button>
            <button type="button" className="btn-secondary" onClick={handleBackToPassword}>Back</button>
          </form>
        )}
      </div>
    </main>
  )
}

function QuestionsPage({ content }: { content: SiteContent }) {
  const siteTitle = content.seo?.title || DEFAULTS.seo.title
  usePageMeta(
    `Q&A | ${siteTitle}`,
    'Real questions answered from Scripture — browse topics, search, and submit your own.',
  )

  return (
    <div className="site">
      <SiteHeader content={content} />
      <SiteSearchBar content={content} />
      <PageBanner eyebrow="Q&A" title="Questions & Answers" desc="Real questions answered from Scripture — browse by topic or submit your own." />
      <QASection />
      <CustomBlocksSection content={content} page="questions" />
      <SiteFooter content={content} />
      <AnalyticsConsentBanner content={content} />
    </div>
  )
}

interface NewsletterIssueSummary {
  id: string
  slug: string
  title: string
  subject: string
  description: string
  sentAt: string | null
  publishedAt: string
}

function NewsletterArchivePage({ content }: { content: SiteContent }) {
  const siteTitle = content.seo?.title || DEFAULTS.seo.title
  usePageMeta(
    `Newsletter | ${siteTitle}`,
    'Read past newsletter issues from Verse by Verse with Nate — episode notes, study excerpts, and Greek word studies.',
  )
  const [issues, setIssues] = useState<NewsletterIssueSummary[]>([])
  const [loading, setLoading] = useState(true)

  useEffect(() => {
    fetch('/api/newsletter/issues')
      .then(r => r.json())
      .then(d => { if (Array.isArray(d.issues)) setIssues(d.issues) })
      .catch(() => {})
      .finally(() => setLoading(false))
  }, [])

  return (
    <div className="site">
      <SiteHeader content={content} />
      <SiteSearchBar content={content} />
      <PageBanner eyebrow="Newsletter" title="Newsletter Archive" desc="Past issues of the Verse by Verse with Nate newsletter — episode notes, study excerpts, and Greek word studies." />
      <section className="section-resources" aria-label="Newsletter archive">
        <div className="section-inner">
          {loading ? (
            <p className="episode-seo-intro">Loading issues…</p>
          ) : issues.length === 0 ? (
            <p className="episode-seo-intro">No newsletter issues published yet.</p>
          ) : (
            <div className="resources-list">
              {issues.map(issue => (
                <a key={issue.id} href={`/newsletter/${issue.slug}`} className="resource-download-card">
                  <div className="resource-download-header">
                    <div className="resource-download-meta">
                      <span className="resource-link-label">{issue.title}</span>
                      {issue.description && <p className="resource-link-description">{issue.description}</p>}
                      {issue.sentAt && (
                        <span className="resource-link-tags">
                          {new Date(issue.sentAt).toLocaleDateString('en-US', { month: 'long', day: 'numeric', year: 'numeric' })}
                        </span>
                      )}
                      <span className="resource-link-action">Read issue →</span>
                    </div>
                  </div>
                </a>
              ))}
            </div>
          )}
        </div>
      </section>
      <CustomBlocksSection content={content} page="newsletter" />
      <SiteFooter content={content} />
      <AnalyticsConsentBanner content={content} />
    </div>
  )
}

function PreviewPage() {
  const [content, setContent] = useState<SiteContent | null>(null)
  const [status, setStatus] = useState<'loading' | 'ready' | 'error'>('loading')
  const [previewView, setPreviewView] = useState<string>('homepage')

  useEffect(() => {
    fetch('/api/admin-content?source=draft')
      .then(r => (r.ok ? r.json() : Promise.reject(new Error('Preview failed'))))
      .then(data => {
        if (data?.siteContent) {
          setContent({ ...DEFAULTS, ...data.siteContent })
          setStatus('ready')
          return
        }
        setStatus('error')
      })
      .catch(() => {
        setStatus('error')
      })
  }, [])

  // Listen for live content updates + view from the admin parent frame
  useEffect(() => {
    function handleMessage(e: MessageEvent) {
      if (e.origin !== window.location.origin) return
      if (e.data?.type === 'admin-preview-content' && e.data.content) {
        setContent({ ...DEFAULTS, ...e.data.content })
        setStatus('ready')
        if (e.data.view) setPreviewView(e.data.view)
      }
    }
    window.addEventListener('message', handleMessage)
    return () => window.removeEventListener('message', handleMessage)
  }, [])

  if (status === 'loading') {
    return (
      <main className="thanks-page" aria-label="Draft preview loading">
        <div className="thanks-card">
          <p className="eyebrow">Admin Preview</p>
          <h1>Loading draft preview...</h1>
          <p>Only signed-in admins can view this page.</p>
        </div>
      </main>
    )
  }

  if (status === 'error' || !content) {
    return (
      <main className="thanks-page" aria-label="Draft preview unavailable">
        <div className="thanks-card">
          <p className="eyebrow">Admin Preview</p>
          <h1>Draft preview unavailable</h1>
          <p>Sign into admin and save a draft first.</p>
          <Link to="/admin" className="btn-primary">Back to Admin</Link>
        </div>
      </main>
    )
  }

  if (previewView === 'start-here') return <StartHerePage content={content} />
  if (previewView === 'about') return <AboutPage content={content} />
  if (previewView === 'contact') return <ContactPage content={content} />
  if (previewView === 'current-series' || previewView === 'episode-highlights') {
    return <EpisodesPage content={content} />
  }
  return <LandingPage content={content} />
}

function StudyRouteFrame({ content, child }: { content: SiteContent; child: ReactElement }) {
  return (
    <>
      <SiteHeader content={content} />
      <SiteSearchBar content={content} />
      {child}
      <SiteFooter content={content} />
    </>
  )
}

export default function App() {
  const [content, setContent] = useState<SiteContent>(DEFAULTS)
  const navigate = useNavigate()
  const location = useLocation()
  usePageTracking()
  useScrollDepthTracking()
  useTimeOnPage()
  useUTMCapture()
  useLinkClickTracking()

  useEffect(() => {
    const TARGET = 'salvation'
    let buffer = ''
    function onKeyDown(e: KeyboardEvent) {
      const tag = (e.target as HTMLElement)?.tagName
      if (tag === 'INPUT' || tag === 'TEXTAREA' || (e.target as HTMLElement)?.isContentEditable) return
      buffer = (buffer + e.key).slice(-TARGET.length)
      if (buffer === TARGET) {
        buffer = ''
        window.location.assign('/salvation')
      }
    }
    document.addEventListener('keydown', onKeyDown)
    return () => document.removeEventListener('keydown', onKeyDown)
  }, [])

  useEffect(() => {
    fetch('/api/admin-content')
      .then(r => (r.ok ? r.json() : null))
      .then(data => {
        if (data?.siteContent) {
          setContent(c => ({ ...c, ...data.siteContent }))
        }
      })
      .catch(() => {})
  }, [])

  useEffect(() => {
    const kofiUrl = content.platformKofiUrl
    if (!kofiUrl) return
    const username = kofiUrl.replace(/\/$/, '').split('/').pop()
    if (!username) return
    if (document.getElementById('kofi-overlay-script')) return
    const script = document.createElement('script')
    script.id = 'kofi-overlay-script'
    script.src = 'https://storage.ko-fi.com/cdn/scripts/overlay-widget.umd.min.js'
    script.onload = () => {
      ;(window as unknown as { kofiWidgetOverlay?: { draw: (user: string, opts: Record<string, string>) => void } }).kofiWidgetOverlay?.draw(username, {
        type: 'floating-chat',
        'floating-chat.donateButton.text': 'Support the Show',
        'floating-chat.donateButton.background-color': '#29abe0',
        'floating-chat.donateButton.text-color': '#fff',
      })
    }
    document.body.appendChild(script)
  }, [content.platformKofiUrl])

  useEffect(() => {
    if (location.pathname !== '/' || !location.hash) return

    const legacyHashRouteMap: { [key: string]: string } = {
      '#listen': '/episodes',
      '#about': '/about',
      '#qa': '/questions',
      '#contact': '/contact',
      '#series': '/resources',
      '#resources': '/resources',
      '#start-here': '/start-here',
    }

    const redirectPath = legacyHashRouteMap[location.hash.toLowerCase()]
    if (!redirectPath) return

    navigate(redirectPath, { replace: true })
  }, [location.hash, location.pathname, navigate])

  useEffect(() => {
    const seo = content.seo ?? DEFAULTS.seo

    const ensureMeta = (selector: string, createAttrs: { [key: string]: string }) => {
      const found = document.head.querySelector(selector)
      if (found) return found as HTMLMetaElement
      const meta = document.createElement('meta')
      Object.entries(createAttrs).forEach(([key, value]) => {
        meta.setAttribute(key, value)
      })
      document.head.appendChild(meta)
      return meta
    }

    const ensureCanonical = () => {
      const found = document.head.querySelector('link[rel="canonical"]')
      if (found) return found as HTMLLinkElement
      const link = document.createElement('link')
      link.setAttribute('rel', 'canonical')
      document.head.appendChild(link)
      return link
    }

    document.title = seo.title || DEFAULTS.seo.title
    ensureMeta('meta[name="description"]', { name: 'description' }).setAttribute('content', seo.description || DEFAULTS.seo.description)
    ensureMeta('meta[name="robots"]', { name: 'robots' }).setAttribute('content', seo.robotsPolicy || DEFAULTS.seo.robotsPolicy)
    ensureMeta('meta[property="og:title"]', { property: 'og:title' }).setAttribute('content', seo.ogTitle || seo.title || DEFAULTS.seo.ogTitle)
    ensureMeta('meta[property="og:description"]', { property: 'og:description' }).setAttribute('content', seo.ogDescription || seo.description || DEFAULTS.seo.ogDescription)
    ensureMeta('meta[property="og:image"]', { property: 'og:image' }).setAttribute('content', seo.ogImage || DEFAULTS.seo.ogImage)
    ensureMeta('meta[property="og:url"]', { property: 'og:url' }).setAttribute('content', seo.canonicalUrl || DEFAULTS.seo.canonicalUrl)
    ensureCanonical().setAttribute('href', seo.canonicalUrl || DEFAULTS.seo.canonicalUrl)
  }, [content])

  return (
    <>
      <ScrollToTop />
      <Routes>
        <Route path="/" element={<LandingPage content={content} />} />
      <Route path="/start-here" element={<StartHerePage content={content} />} />
        <Route path="/study" element={<StudyRouteFrame content={content} child={<StudyLandingPage content={content} />} />} />
          <Route path="/study/signup" element={<StudyRouteFrame content={content} child={<StudySignupPage />} />} />
        <Route path="/study/reset-password" element={<StudyRouteFrame content={content} child={<StudyResetPasswordPage />} />} />
        <Route path="/study/verify-email" element={<StudyRouteFrame content={content} child={<StudyVerifyEmailPage />} />} />
        <Route path="/study/account" element={<StudyRouteFrame content={content} child={<StudyAccountPage />} />} />
        <Route path="/study/discussion" element={<StudyRouteFrame content={content} child={<StudyDiscussionHubPage content={content} />} />} />
        <Route path="/study/certificate/:token" element={<LegacyCertificateRedirect />} />
        <Route path="/study/:studySlug" element={<StudyRouteFrame content={content} child={<ColossiansStudyIndexPage content={content} />} />} />
        <Route path="/study/:studySlug/community" element={<StudyRouteFrame content={content} child={<StudyCommunityPage content={content} />} />} />
        <Route path="/study/:studySlug/notes" element={<StudyRouteFrame content={content} child={<ColossiansStudyNotesPage content={content} />} />} />
        <Route path="/study/:studySlug/:sectionId/quiz" element={<StudyRouteFrame content={content} child={<StudyQuizPage content={content} />} />} />
        <Route path="/study/:studySlug/:sectionId" element={<StudyRouteFrame content={content} child={<ColossiansStudySectionPage content={content} />} />} />
      <Route path="/finished" element={<FinishedBooksPage content={content} />} />
      <Route path="/finished/:id" element={<FinishedSeriesPage content={content} />} />
      <Route path="/episodes" element={<EpisodesPage content={content} />} />
      <Route path="/episodes/:id" element={<EpisodeDetailPage content={content} />} />
      <Route path="/nuggets" element={<NuggetsPage content={content} />} />
      <Route path="/nuggets/hosts/:hostId" element={<NuggetsHostDetailPage content={content} />} />
      <Route path="/resources" element={<ResourcesPage content={content} />} />
      <Route path="/downloads/:id" element={<DownloadDetailPage content={content} />} />
      <Route path="/about" element={<AboutPage content={content} />} />
      <Route path="/contact" element={<ContactPage content={content} />} />
      <Route path="/questions" element={<QuestionsPage content={content} />} />
      <Route path="/newsletter" element={<NewsletterArchivePage content={content} />} />
      <Route path="/scripture" element={<ScriptureIndexPage content={content} />} />
      <Route path="/thanks" element={<ThankYouPage />} />
      <Route path="/subscribe" element={<SubscribePage />} />
      <Route path="/subscribe/thanks" element={<SubscribeThankYouPage />} />
      <Route path="/certificate/:token" element={<PublicCertificatePage />} />
      <Route path="/host" element={<NuggetsHostPortal />} />
      <Route path="/admin" element={<AdminShell content={content} onSave={setContent} />} />
      <Route path="/preview" element={<PreviewPage />} />
      <Route
        path="/privacy"
        element={(
          <LegalPage
            title={content.legal?.privacyTitle ?? DEFAULTS.legal.privacyTitle}
            body={content.legal?.privacyBody ?? DEFAULTS.legal.privacyBody}
          />
        )}
      />
      <Route
        path="/terms"
        element={(
          <LegalPage
            title={content.legal?.termsTitle ?? DEFAULTS.legal.termsTitle}
            body={content.legal?.termsBody ?? DEFAULTS.legal.termsBody}
          />
        )}
      />
      <Route path="*" element={<NotFoundPage />} />
    </Routes>
    <BackToTopButton />
  </>
)
}

function NotFoundPage() {
  const location = useLocation()
  const [showForm, setShowForm] = useState(false)
  const [form, setForm] = useState({
    firstName: '',
    email: '',
    message: `Hi Nate, I tried visiting "${location.pathname}" and got a 404. You may want to check if this link is broken.`,
  })
  const [submitStatus, setSubmitStatus] = useState<'idle' | 'busy' | 'sent' | 'error'>('idle')
  const [errMsg, setErrMsg] = useState('')

  useEffect(() => {
    sendEvent('not_found', { path: location.pathname })
  }, [location.pathname])

  async function handleReport(e: React.FormEvent) {
    e.preventDefault()
    setSubmitStatus('busy')
    try {
      const res = await fetch('/api/contact', {
        method: 'POST',
        headers: { 'Content-Type': 'application/json' },
        body: JSON.stringify({
          firstName: form.firstName,
          email: form.email,
          message: form.message,
          messageType: 'question',
          _honey: '',
        }),
      })
      const data = await res.json()
      if (!res.ok) throw new Error(data.message ?? 'Something went wrong.')
      setSubmitStatus('sent')
    } catch (err) {
      setErrMsg(err instanceof Error ? err.message : 'Something went wrong.')
      setSubmitStatus('error')
    }
  }

  return (
    <main className="thanks-page" aria-label="Page not found">
      <div className="thanks-card">
        <img
          src="/book_icon.png"
          alt=""
          aria-hidden="true"
          style={{ width: '72px', marginBottom: '0.75rem', opacity: 0.55 }}
        />
        <p className="eyebrow">404</p>
        <h1>Page Not Found</h1>
        <p>
          The path <code style={{ fontSize: '0.95em', opacity: 0.85 }}>{location.pathname}</code>{' '}
          doesn't exist — it may have moved or been removed.
        </p>
        <div style={{ display: 'flex', gap: '0.75rem', justifyContent: 'center', flexWrap: 'wrap', marginBottom: '2rem' }}>
          <Link to="/" className="btn-primary">← Back to Home</Link>
          <Link to="/episodes" className="btn-secondary">Browse Episodes</Link>
        </div>
        <div style={{ borderTop: '1px solid rgba(201,168,76,0.15)', paddingTop: '1.5rem' }}>
          {submitStatus !== 'sent' ? (
            <>
              <p style={{ fontSize: '0.9rem', marginBottom: showForm ? '1rem' : 0 }}>
                Think this is a broken link?{' '}
                {!showForm && (
                  <button
                    onClick={() => setShowForm(true)}
                    style={{
                      background: 'none', border: 'none', color: 'var(--brand-gold)',
                      cursor: 'pointer', fontFamily: 'inherit', fontSize: 'inherit',
                      textDecoration: 'underline', padding: 0,
                    }}
                  >
                    Let Nate know.
                  </button>
                )}
              </p>
              {showForm && (
                <form className="contact-form" onSubmit={handleReport} style={{ textAlign: 'left' }}>
                  <div style={{ display: 'flex', gap: '0.6rem', flexWrap: 'wrap' }}>
                    <label style={{ flex: '1', minWidth: '120px' }}>
                      Your name
                      <input
                        type="text"
                        value={form.firstName}
                        onChange={e => setForm(f => ({ ...f, firstName: e.target.value }))}
                        placeholder="First name"
                        required
                        maxLength={100}
                      />
                    </label>
                    <label style={{ flex: '2', minWidth: '180px' }}>
                      Email
                      <input
                        type="email"
                        value={form.email}
                        onChange={e => setForm(f => ({ ...f, email: e.target.value }))}
                        placeholder="you@example.com"
                        required
                      />
                    </label>
                  </div>
                  <label>
                    Message
                    <textarea
                      value={form.message}
                      onChange={e => setForm(f => ({ ...f, message: e.target.value }))}
                      rows={3}
                      maxLength={3000}
                      required
                    />
                  </label>
                  <input type="text" name="_honey" style={{ display: 'none' }} aria-hidden="true" tabIndex={-1} />
                  <div style={{ display: 'flex', alignItems: 'center', gap: '1rem', flexWrap: 'wrap' }}>
                    <button type="submit" className="btn-secondary" disabled={submitStatus === 'busy'}>
                      {submitStatus === 'busy' ? 'Sending…' : 'Report Broken Link'}
                    </button>
                    {submitStatus === 'error' && (
                      <span style={{ color: '#e05c5c', fontSize: '0.9rem' }}>{errMsg}</span>
                    )}
                  </div>
                </form>
              )}
            </>
          ) : (
            <p style={{ color: '#6fcf97' }}>Thanks! Nate will look into it.</p>
          )}
        </div>
      </div>
    </main>
  )
}

function BackToTopButton() {
  const [visible, setVisible] = useState(false)

  useEffect(() => {
    const onScroll = () => setVisible(window.scrollY > 320)
    window.addEventListener('scroll', onScroll)
    onScroll()
    return () => window.removeEventListener('scroll', onScroll)
  }, [])

  if (!visible) return null

  return (
    <button
      type="button"
      className="back-to-top"
      onClick={() => window.scrollTo({ top: 0, behavior: 'smooth' })}
      aria-label="Scroll back to top"
    >
      ↑ Top
    </button>
  )
}