// 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; }
  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' };
  const sc = IAP.$('bioSocials');
  if (sc && w.socials && typeof w.socials === 'object') {
    const links = Object.keys(SOC).filter(k => w.socials[k]).map(k =>
      '<a href="' + String(w.socials[k]).replace(/"/g, '%22') + '" target="_blank" rel="noopener nofollow me">' + SOC[k] + '</a>');
    sc.innerHTML = links.join('');
  }
  IAP.$('wallCtaHead').textContent = 'Join ' + w.name + '’s line';
  IAP.$('wallJoin').href = w.joinUrl;
  // per-wall viewed-position memory (survives revisits; anonymous-friendly)
  const VKEY = 'iap-wall-' + name;
  let viewed = {};
  try { viewed = JSON.parse(localStorage.getItem(VKEY) || '{}'); } catch (e) {}
  const DWELL = 10;
  const grid = IAP.$('wallGrid');
  grid.innerHTML = '';
  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
        let left = DWELL;
        btn.disabled = true;
        act.innerHTML = '<span class="wc-timer">Viewing… ' + left + 's</span>';
        const t = setInterval(() => {
          left--;
          if (left > 0) { act.querySelector('.wc-timer').textContent = 'Viewing… ' + left + 's'; return; }
          clearInterval(t);
          viewed[i] = 1;
          try { localStorage.setItem(VKEY, JSON.stringify(viewed)); } catch (e) {}
          done();
        }, 1000);
      });
      act.appendChild(btn);
    }
    grid.appendChild(d);
  });
})();