// Public banner wall: a member's line banner plus their upline ladder, with
// their join link. The viral surface: members send traffic here, every visit
// puts eyes on the whole line.
(async function () {
  await IAP.renderNav('');
  const name = location.pathname.split('/').pop();
  let w = null;
  try { w = await (await fetch('/api/wall/' + encodeURIComponent(name))).json(); } catch (e) {}
  const title = IAP.$('wallTitle');
  if (!w || w.error) {
    title.textContent = 'No wall under that name.';
    IAP.$('wallJoin').href = '/my';
    return;
  }
  const safeName = String(w.name).replace(/[&<>]/g, '');
  title.innerHTML = safeName;
  IAP.$('bioHead').hidden = false;
  if (w.avatarUrl) { const av = IAP.$('bioAvatar'); av.src = w.avatarUrl; av.hidden = false; }
  if (w.badge) { const bb = IAP.$('bioBadge'); if (bb) { bb.src = w.badge.img; bb.title = w.badge.label + ' badge'; bb.hidden = false; } }
  IAP.$('bioText').textContent = w.bio || 'Building a team on InstantAdPay — join through this page and you\'re in my line.';
  if (w.qrUrl) IAP.$('bioQr').src = w.qrUrl;
  // social links
  const SOC = { facebook: 'Facebook', twitter: 'X', youtube: 'YouTube', instagram: 'Instagram', tiktok: 'TikTok', telegram: 'Telegram', linkedin: 'LinkedIn', website: 'Website' };
  // small line icons, one per platform (currentColor so they follow the pill color)
  const svg = inner => '<svg viewBox="0 0 24 24" width="14" height="14" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" aria-hidden="true">' + inner + '</svg>';
  const ICON = {
    facebook: svg('<path d="M14 8h3V4h-3a4 4 0 0 0-4 4v2H7v4h3v7h4v-7h3l1-4h-4V8.5c0-.3.2-.5.5-.5z" fill="currentColor" stroke="none"/>'),
    twitter: svg('<path d="M4 4l16 16M20 4L4 20"/>'),
    youtube: svg('<rect x="2.5" y="6" width="19" height="12" rx="4"/><path d="M10 9.5v5l4.5-2.5z" fill="currentColor" stroke="none"/>'),
    instagram: svg('<rect x="3" y="3" width="18" height="18" rx="5"/><circle cx="12" cy="12" r="4"/><circle cx="17.3" cy="6.7" r="1" fill="currentColor" stroke="none"/>'),
    tiktok: svg('<path d="M14 4c.3 2.3 1.9 3.8 4.3 4v3.1c-1.6 0-3.1-.5-4.3-1.4v5.8a5 5 0 1 1-5-5v3.2a1.9 1.9 0 1 0 1.9 1.9V4z" fill="currentColor" stroke="none"/>'),
    telegram: svg('<path d="M21 4L3 11.5l5.5 2L11 20l3-4.5L19 19z" fill="currentColor" stroke="none"/>'),
    linkedin: svg('<circle cx="6" cy="5.5" r="1.6" fill="currentColor" stroke="none"/><path d="M4.5 9.5h3V20h-3z" fill="currentColor" stroke="none"/><path d="M11 9.5h3v1.6c.7-1.1 1.9-1.9 3.5-1.9 2.8 0 3.5 1.9 3.5 4.5V20h-3v-5.6c0-1.3-.3-2.3-1.6-2.3s-2.4 1-2.4 2.4V20h-3z" fill="currentColor" stroke="none"/>'),
    website: svg('<circle cx="12" cy="12" r="9"/><path d="M3 12h18M12 3c3 3.5 3 14.5 0 18M12 3c-3 3.5-3 14.5 0 18"/>')
  };
  const sc = IAP.$('bioSocials');
  if (sc && w.socials && typeof w.socials === 'object') {
    const links = Object.keys(SOC).filter(k => w.socials[k]).map(k =>
      '<a href="' + String(w.socials[k]).replace(/"/g, '%22') + '" target="_blank" rel="noopener nofollow me">' + (ICON[k] || '') + '<span>' + SOC[k] + '</span></a>');
    sc.innerHTML = links.join('');
  }
  IAP.$('wallCtaHead').textContent = 'Join ' + w.name + '’s line';
  // per-wall viewed-position memory (survives revisits; anonymous-friendly)
  const VKEY = 'iap-wall-' + name;
  let viewed = {};
  try { viewed = JSON.parse(localStorage.getItem(VKEY) || '{}'); } catch (e) {}
  const DWELL = 10;
  const grid = IAP.$('wallGrid');
  grid.innerHTML = '';
  // join is gated: you must view every ad on the wall before you can join
  const joinBtn = IAP.$('wallJoin'), gate = IAP.$('wallGate');
  function updateGate() {
    const viewable = w.ladder.filter(m => m.targetUrl).length;
    const seen = w.ladder.filter((m, i) => m.targetUrl && viewed[i]).length;
    if (viewable > 0 && seen < viewable) {
      joinBtn.classList.add('disabled'); joinBtn.removeAttribute('href');
      if (gate) { gate.hidden = false; gate.textContent = 'View all ' + viewable + ' ads above to unlock joining (' + seen + '/' + viewable + ' viewed).'; }
    } else { joinBtn.href = w.joinUrl; joinBtn.classList.remove('disabled'); if (gate) gate.hidden = true; }
  }
  w.ladder.forEach((m, i) => {
    const d = document.createElement('div');
    d.className = 'wall-card';
    const safe = String(m.name || 'member').replace(/[&<>]/g, '');
    const creative = m.bannerUrl
      ? '<img src="' + m.bannerUrl + '" alt="' + safe + ' banner">'
      : '<b>' + safe + '</b><br><span class="muted small">' + (m.targetUrl ? 'visit their site' : 'banner slot open') + '</span>';
    d.innerHTML = '<div class="wall-pos">Position ' + (i + 1) + (i === 0 ? ' · this wall' : '') + '</div>'
      + '<div class="wc-creative">' + creative + '</div>'
      + '<div class="wc-action"></div>'
      + '<div class="small muted" style="margin-top:8px">' + safe + '</div>';
    const act = d.querySelector('.wc-action');
    const done = () => { act.innerHTML = '<span class="wc-check">✓ viewed</span>'; };
    if (!m.targetUrl) { act.innerHTML = '<span class="muted small">no ad yet</span>'; }
    else if (viewed[i]) { done(); }
    else {
      const btn = document.createElement('button');
      btn.className = 'btn small'; btn.textContent = 'View this ad';
      btn.addEventListener('click', () => {
        window.open(m.targetUrl, '_blank'); // real visit to the advertiser (no countdown)
        viewed[i] = 1;
        try { localStorage.setItem(VKEY, JSON.stringify(viewed)); } catch (e) {}
        done(); updateGate();
      });
      act.appendChild(btn);
    }
    grid.appendChild(d);
  });
  updateGate();
})();