/**
 * GMIIE author profile loader — bio, attribution badges, articles, contact CTA.
 */
(function () {
  const root = document.getElementById('author-profile-root');
  if (!root) return;
  const authorId = root.dataset.authorId;
  if (!authorId) return;

  const nameEl = document.getElementById('ap-name');
  const roleEl = document.getElementById('ap-role');
  const bioEl = document.getElementById('ap-bio');
  const badgeEl = document.getElementById('ap-badge');
  const statsEl = document.getElementById('ap-stats');
  const articlesEl = document.getElementById('ap-articles');
  let contactEl = document.getElementById('ap-contact');

  function badgeFor(author) {
    if (author.attribution_class === 'human+ai' || author.type === 'hybrid') {
      return 'Human + AI · Disclosed · LPS-1';
    }
    if (author.type === 'ai' || author.attribution_class === 'ai') {
      return 'AI · Model Named · LPS-1';
    }
    return 'Human · SHA-256 · LPS-1';
  }

  function roleLabel(author) {
    if (author.type === 'ai') return 'AI Writer';
    if (author.type === 'hybrid') return 'System Partner';
    return 'Human Author';
  }

  function esc(s) {
    return String(s || '')
      .replace(/&/g, '&')
      .replace(/</g, '&lt;')
      .replace(/>/g, '&gt;')
      .replace(/"/g, '&quot;');
  }

  function renderContact(author) {
    if (!contactEl) {
      contactEl = document.createElement('div');
      contactEl.id = 'ap-contact';
      contactEl.className = 'ap-contact';
      contactEl.style.cssText =
        'margin:20px 0;padding:16px;border:1px solid var(--rule,#d4c9a8);background:var(--paper2,#f3f0e8);';
      const anchor = articlesEl || bioEl;
      if (anchor && anchor.parentNode) anchor.parentNode.insertBefore(contactEl, anchor.nextSibling);
    }
    const status = author.email_alias_status || 'pending_dns';
    const statusLabel =
      status === 'live' || status === 'routed_via_legacychain'
        ? 'Email routing LIVE'
        : 'Email routing pending DNS';
    contactEl.innerHTML =
      '<h2 style="font-size:16px;margin:0 0 8px;">Contact &amp; respond</h2>' +
      '<p style="font-size:13px;line-height:1.6;color:var(--ink2,#444);margin:0 0 10px;">' +
      'Correspondence routes through LegacyChain intake. Machine agents use x402 on Apostle Chain (7332).' +
      '</p>' +
      '<p style="font-family:JetBrains Mono,monospace;font-size:10px;margin:0 0 10px;">' +
      '<span style="padding:2px 8px;border:1px solid var(--rule,#d4c9a8);">' +
      esc(statusLabel) +
      '</span>' +
      (author.email_alias ? ' · ' + esc(author.email_alias) : '') +
      '</p>' +
      '<div style="display:flex;flex-wrap:wrap;gap:8px;">' +
      '<a href="' +
      esc(author.contact_cta || 'mailto:agents@legacychain.app') +
      '" style="font-family:JetBrains Mono,monospace;font-size:10px;padding:8px 14px;border:1px solid var(--gold,#b8953a);color:var(--gold,#b8953a);text-decoration:none;font-weight:700;">Email author</a>' +
      '<a href="/authenticity.html" style="font-family:JetBrains Mono,monospace;font-size:10px;padding:8px 14px;border:1px solid var(--rule,#d4c9a8);color:inherit;text-decoration:none;">Verify provenance</a>' +
      (author.x402_rate
        ? '<a href="/query.html" style="font-family:JetBrains Mono,monospace;font-size:10px;padding:8px 14px;border:1px solid var(--rule,#d4c9a8);color:inherit;text-decoration:none;">x402 ' +
          esc(author.x402_rate) +
          ' ATP</a>'
        : '') +
      '</div>';
  }

  fetch('/api/authors/' + encodeURIComponent(authorId), { cache: 'no-store' })
    .then(function (r) { return r.ok ? r.json() : null; })
    .then(function (data) {
      if (!data || !data.author) {
        if (bioEl) bioEl.textContent = 'Author profile unavailable — check /api/authors';
        return;
      }
      const a = data.author;
      if (nameEl) nameEl.textContent = a.name;
      if (roleEl) {
        roleEl.textContent = roleLabel(a) + (a.ai_model ? ' · ' + a.ai_model : '');
      }
      if (bioEl) bioEl.textContent = a.bio || '';
      if (badgeEl) badgeEl.textContent = badgeFor(a);
      if (statsEl) {
        const desks = (a.desks || []).slice(0, 4).join(', ');
        statsEl.innerHTML =
          '<span>' + (a.follower_count || 0) + ' followers (beta)</span>' +
          (desks ? ' · Desks: ' + esc(desks) : '') +
          (a.lps1_status ? ' · LPS-1: ' + esc(a.lps1_status) : '');
      }
      renderContact(a);
      if (articlesEl && data.recent_articles) {
        articlesEl.innerHTML =
          data.recent_articles
            .slice(0, 8)
            .map(function (art) {
              const verifyUrl = '/api/articles/' + encodeURIComponent(art.id) + '/verify';
              return (
                '<article class="ap-article">' +
                '<h3>' + esc(art.title) + '</h3>' +
                '<p>' + esc((art.summary || '').slice(0, 280)) + '</p>' +
                '<footer class="ap-foot">' +
                esc(art.footer?.badge || badgeFor(a)) +
                ' · SHA-256 ' +
                esc((art.sha256 || '').slice(0, 12)) +
                '…' +
                (art.ipfs_cid ? ' · IPFS ' + esc(art.ipfs_cid.slice(0, 10)) + '…' : '') +
                ' · <a href="' +
                verifyUrl +
                '">Verify</a>' +
                '</footer>' +
                '</article>'
              );
            })
            .join('') || '<p>No recent articles in Pulse feed.</p>';
      }
    })
    .catch(function () {
      if (bioEl) bioEl.textContent = 'Could not load author profile.';
    });
})();