'use strict';
// ---- Passwords: your Vaultwarden vault. The vault stays end-to-end encrypted; unlocking asks for your master password, which goes to the server's
// Bitwarden tool only to open it for a few idle minutes. Lists never carry passwords: a password, code or note is fetched only when you open that entry.
const vtReq = async (p, body) => {
  const r = await fetch('/api/vault' + p, body === undefined ? {} : { method: 'POST', headers: { 'content-type': 'application/json' }, body: JSON.stringify(body) });
  const j = await r.json().catch(() => ({}));
  if (!r.ok) throw Object.assign(new Error(j.error || 'Request failed (' + r.status + ')'), j, { status: r.status });
  return j;
};
const vtState = { q: '', folder: '', items: null, folders: [] };
const vtType = { 1: 'Login', 2: 'Note', 3: 'Card', 4: 'Identity' };
let vtClip = 0;
/** Copy something private, and clear the clipboard again after half a minute if it is still ours. */
async function vtCopy(text, what) {
  try { await navigator.clipboard.writeText(text); toast(what + ' copied (cleared in 30 seconds)'); clearTimeout(vtClip); vtClip = setTimeout(async () => { try { if ((await navigator.clipboard.readText()) === text) await navigator.clipboard.writeText(''); } catch { try { await navigator.clipboard.writeText(''); } catch {} } }, 30000); }
  catch { toast('Could not copy'); }
}
const vtHost = u => { try { return new URL(/^[a-z]+:\/\//i.test(u) ? u : 'https://' + u).hostname.replace(/^www\./, ''); } catch { return ''; } };
const vtSafeUrl = u => { try { const x = new URL(/^[a-z]+:\/\//i.test(u) ? u : 'https://' + u); return /^https?:$/.test(x.protocol) ? x.href : ''; } catch { return ''; } };

async function viewVault() {
  const v = $('#view'); v.innerHTML = '<div class="wrap"><h1>Passwords</h1><p class="empty loading" role="status">Loading…</p></div>';
  let st; try { st = await vtReq('/status'); } catch (e) { v.innerHTML = `<div class="wrap"><h1>Passwords</h1><p class="err">${esc(e.message)}</p></div>`; return; }
  if (!location.hash.startsWith('#/vault')) return;
  st.unlocked ? vtList(st) : vtUnlock(st);
}

function vtUnlock(st, need2fa) {
  const v = $('#view'), host = vtHost((typeof cfg !== 'undefined' && cfg.vault) || st.url);
  v.innerHTML = `<div class="wrap"><div class="ptop"><h1>Passwords</h1></div>
    <form id="vtf" class="card" style="max-width:420px;display:grid;gap:10px" autocomplete="off">
      <p class="sub" style="margin:0">Unlock your vault on <b>${esc(host)}</b>. Your master password is only used to open it and is never saved.</p>
      ${st.loggedIn ? `<p class="sub" style="margin:0">Signed in as <b>${esc(st.email)}</b></p>` : '<label for="vte">Email address</label><input type="email" id="vte" autocomplete="username" autocapitalize="off" required>'}
      <label for="vtp">Master password</label><input type="password" id="vtp" autocomplete="current-password" required>
      ${need2fa ? '<label for="vtc">Authenticator code</label><input type="text" id="vtc" inputmode="numeric" autocomplete="one-time-code" maxlength="8" required>' : ''}
      <p class="err" id="vterr" role="alert"></p>
      <div class="bar" style="margin:0"><button class="btn" id="vtgo">Unlock</button>${st.loggedIn ? '<button type="button" class="btn ghost" id="vtout">Use a different account</button>' : ''}</div>
      <p class="sub" style="margin:0">No account yet? <a href="${esc(vtSafeUrl(st.url) ? st.url.replace(/\/+$/, '') + '/#/signup' : '#')}" target="_blank" rel="noopener" style="color:var(--accent)">Create one on ${esc(host)}</a>, then come back here to unlock it.</p>
    </form></div>`;
  const f = $('#vtf'); setTimeout(() => (f.querySelector(need2fa ? '#vtc' : st.loggedIn ? '#vtp' : '#vte') || {}).focus?.(), 0);
  if ($('#vtout')) $('#vtout').onclick = () => confirmSheet('Use a different account?', 'This signs the hub out of the vault. Nothing is deleted from the vault itself.', 'Sign out of vault', async () => { try { await vtReq('/forget', {}); viewVault(); } catch (e) { toast(e.message); } });
  f.onsubmit = async e => {
    e.preventDefault(); $('#vterr').textContent = ''; $('#vtgo').disabled = true;
    try { const body = { password: $('#vtp').value }; if ($('#vte')) body.email = $('#vte').value; if ($('#vtc')) body.code = $('#vtc').value; const r = await vtReq('/unlock', body); $('#vtp').value = ''; vtState.items = null; vtList(r); }
    catch (err) { if (err.need2fa) return vtUnlock({ ...st, email: st.email || ($('#vte') && $('#vte').value) }, true) || void 0; $('#vterr').textContent = err.message; $('#vtgo').disabled = false; }
  };
}

async function vtList(st) {
  const v = $('#view');
  v.innerHTML = `<div class="wrap"><div class="ptop"><h1>Passwords</h1><span class="pspace grow"></span><button class="btn ghost" id="vtsync" aria-label="Refresh from the server" title="Refresh">${icon('refresh')}</button><button class="btn ghost" id="vtlock">Lock</button></div>
    <input type="search" id="vtq" placeholder="Search your vault" value="${esc(vtState.q)}" autocomplete="off" aria-label="Search your vault" style="width:100%;margin-bottom:8px"><div id="vtfo"></div><div id="vtl"><p class="empty loading" role="status">Loading…</p></div>
    <p class="sub">Locks itself after a few idle minutes. <a href="${esc(vtSafeUrl(st.url) || '#')}" target="_blank" rel="noopener" style="color:var(--accent)">Open the full vault</a> to add or change entries.</p></div>`;
  const lockedOut = () => { vtState.items = null; vtUnlock({ ...st, unlocked: false }); };
  $('#vtlock').onclick = async () => { try { await vtReq('/lock', {}); } catch {} lockedOut(); toast('Vault locked'); };
  $('#vtsync').onclick = async () => { try { await vtReq('/sync', {}); await load(); toast('Refreshed'); } catch (e) { e.locked ? lockedOut() : toast(e.message); } };
  let timer; $('#vtq').oninput = e => { vtState.q = e.target.value; clearTimeout(timer); timer = setTimeout(load, 250); };
  async function load() {
    try { const r = await vtReq('/items?q=' + encodeURIComponent(vtState.q.trim())); if (!location.hash.startsWith('#/vault')) return; vtState.items = r.items; vtState.folders = r.folders; draw(); }
    catch (e) { if (e.locked) return lockedOut(); $('#vtl').innerHTML = `<p class="err">${esc(e.message)}</p>`; }
  }
  function draw() {
    const fo = vtState.folders; $('#vtfo').innerHTML = fo.length ? `<div class="seg" role="tablist"><a href="#" data-f="" class="${vtState.folder ? '' : 'on'}">All</a>${fo.map(f => `<a href="#" data-f="${esc(f.id)}" class="${vtState.folder === f.id ? 'on' : ''}">${esc(f.name)}</a>`).join('')}</div>` : '';
    $('#vtfo').querySelectorAll('a').forEach(a => a.onclick = e => { e.preventDefault(); vtState.folder = a.dataset.f; draw(); });
    const rows = vtState.items.filter(i => !vtState.folder || i.folderId === vtState.folder);
    $('#vtl').innerHTML = rows.length ? `<div class="list">${rows.map(i => `<button class="row" data-id="${esc(i.id)}"><span class="ic" style="background:${i.type === 1 ? '#1f6fb2' : i.type === 3 ? '#b25a1f' : '#6a7280'}">${icon(i.type === 1 ? 'key' : i.type === 3 ? 'store' : 'doc')}</span><span class="grow"><b>${esc(i.name)}</b><small>${esc(i.username || vtHost(i.uri) || vtType[i.type] || '')}</small></span>${i.favorite ? '<span aria-label="Favorite">★</span>' : ''}</button>`).join('')}</div>` : `<p class="empty">${vtState.q ? 'Nothing matches.' : 'Your vault is empty.'}</p>`;
    $('#vtl').querySelectorAll('.row').forEach(b => b.onclick = () => vtOpen(b.dataset.id, lockedOut));
  }
  if (vtState.items) draw(); load();
}

async function vtOpen(id, lockedOut) {
  let it; try { it = await vtReq('/item/' + encodeURIComponent(id)); } catch (e) { return e.locked ? lockedOut() : toast(e.message); }
  const field = (label, value, key, secret) => value ? `<div class="vtf" style="margin:10px 0"><small style="color:var(--muted)">${esc(label)}</small><div style="display:flex;gap:8px;align-items:center"><span class="grow vtv" data-k="${key}" style="word-break:break-all;font-family:${secret ? 'ui-monospace,monospace' : 'inherit'}">${secret ? '••••••••••' : esc(value)}</span>${secret ? `<button class="btn ghost vtshow" data-k="${key}">Show</button>` : ''}<button class="btn ghost vtcp" data-k="${key}" data-w="${esc(label)}">Copy</button></div></div>` : '';
  const vals = { user: it.username, pass: it.password, totp: it.totp };
  const extra = []; if (it.card) { vals.cnum = it.card.number; vals.ccode = it.card.code; }
  (it.fields || []).forEach((f, n) => { vals['f' + n] = f.value; });
  const links = it.uris.map(vtSafeUrl).filter(Boolean);
  const el = openSheet(it.name || 'Entry', vtType[it.type] || '', `${field('Username', it.username, 'user')}${field('Password', it.password, 'pass', true)}${field('One-time code', it.totp, 'totp')}
    ${it.card ? field('Cardholder', it.card.holder, 'chold') + field('Card number', it.card.number, 'cnum', true) + field('Security code', it.card.code, 'ccode', true) + field('Expires', [it.card.expMonth, it.card.expYear].filter(Boolean).join('/'), 'cexp') : ''}
    ${(it.fields || []).map((f, n) => field(f.name || 'Field', f.value, 'f' + n, f.hidden)).join('')}
    ${links.map(u => `<div class="vtf" style="margin:10px 0"><small style="color:var(--muted)">Website</small><div><a href="${esc(u)}" target="_blank" rel="noopener" style="color:var(--accent);word-break:break-all">${esc(u)}</a></div></div>`).join('')}
    ${it.notes ? `<div class="vtf" style="margin:10px 0"><small style="color:var(--muted)">Notes</small><div style="white-space:pre-wrap">${esc(it.notes)}</div></div>` : ''}`);
  Object.assign(vals, { chold: it.card && it.card.holder, cexp: it.card && [it.card.expMonth, it.card.expYear].filter(Boolean).join('/') });
  el.querySelectorAll('.vtcp').forEach(b => b.onclick = () => vtCopy(vals[b.dataset.k], b.dataset.w));
  el.querySelectorAll('.vtshow').forEach(b => b.onclick = () => { const s = el.querySelector(`.vtv[data-k="${b.dataset.k}"]`), on = b.textContent === 'Show'; s.textContent = on ? vals[b.dataset.k] : '••••••••••'; b.textContent = on ? 'Hide' : 'Show'; });
}