import express from 'express'
import { readFile } from 'node:fs/promises'
import { escapeHtml, escapeXml, injectSeoIntoHtml, normalizeSitemapPath } from '../helpers.js'
import {
DIST_DIR,
DIST_IMAGES_DIR,
PUBLIC_IMAGES_DIR,
UPLOADS_DIR,
INDEX_FILE,
DEFAULT_SEO,
} from '../config.js'
import { state } from '../state.js'
import { loadSiteContentFile } from '../data.js'
import { DATA_FILE } from '../config.js'
import { sanitizeRedirectRules } from '../study-helpers.js'
export function register(app) {
app.get('/robots.txt', async (_req, res) => {
let content = state.cachedSiteContent
if (!content) {
try {
const parsed = await loadSiteContentFile(DATA_FILE)
content = parsed.siteContent
} catch { content = {} }
}
const seo = content?.seo ?? DEFAULT_SEO
const canonical = seo.canonicalUrl || DEFAULT_SEO.canonicalUrl
const root = canonical.endsWith('/') ? canonical.slice(0, -1) : canonical
res.type('text/plain').send(
['User-agent: *', 'Allow: /', `Sitemap: ${root}/sitemap.xml`].join('\n'),
)
})
app.get('/sitemap.xml', async (_req, res) => {
let content = state.cachedSiteContent
if (!content) {
try {
const parsed = await loadSiteContentFile(DATA_FILE)
content = parsed.siteContent
} catch { content = {} }
}
const seo = content?.seo ?? DEFAULT_SEO
const canonical = seo.canonicalUrl || DEFAULT_SEO.canonicalUrl
const root = canonical.endsWith('/') ? canonical.slice(0, -1) : canonical
const paths = Array.isArray(seo.sitemapPaths) && seo.sitemapPaths.length > 0
? seo.sitemapPaths
: DEFAULT_SEO.sitemapPaths
const urls = paths
.map(item => normalizeSitemapPath(item))
.filter(Boolean)
.map(item => `${root}${item}`)
const xml = [
'',
'',
...urls.map(url => ` ${escapeXml(url)}`),
'',
].join('\n')
res.type('application/xml').send(xml)
})
// Redirect rules middleware
app.use((req, res, next) => {
const rules = sanitizeRedirectRules(state.cachedSiteContent?.redirects)
const match = rules.find(rule => rule.path === req.path)
if (!match) { next(); return }
res.redirect(match.statusCode === 302 ? 302 : 301, match.target)
})
// Static files
app.use('/images', express.static(DIST_IMAGES_DIR))
app.use('/images', express.static(PUBLIC_IMAGES_DIR))
app.use('/uploads', express.static(UPLOADS_DIR))
// Social share stub for questions
app.get('/questions/share/:id', (req, res) => {
const id = req.params.id
if (!id || !/^[\w-]{1,120}$/.test(id)) {
res.redirect(302, '/questions'); return
}
const sourceQuestions = state.draftQuestions ?? state.questions
const question = sourceQuestions.find(q => q.id === id && q.isApproved === true && q.answer)
if (!question) {
res.redirect(302, '/questions'); return
}
const BASE = 'https://versebyversewithnate.us'
const canonicalUrl = `${BASE}/questions#qa-${encodeURIComponent(id)}`
const shareUrl = `${BASE}/questions/share/${encodeURIComponent(id)}`
const ogTitle = escapeHtml(question.question.length > 100
? `${question.question.slice(0, 97)}…`
: question.question)
const answerSnippet = question.answer.replace(/\n+/g, ' ').trim()
const ogDescription = escapeHtml(answerSnippet.length > 200
? `${answerSnippet.slice(0, 197)}…`
: answerSnippet)
const ogImage = `${BASE}/images/banner.png`
res.type('html').send(`
${ogTitle} — Verse by Verse with Nate
`)
})
// SPA static files and fallback
app.use(express.static(DIST_DIR))
app.use(async (_req, res) => {
try {
const html = await readFile(INDEX_FILE, 'utf8')
res.type('html').send(injectSeoIntoHtml(html, state.cachedSiteContent))
} catch {
res.status(503).send('Frontend build not found. Run "npm run build" first.')
}
})
}