/* announce.js — dismissible event pop-up overlay (RM Circle).
   Content is admin-controlled: fetched from /api/announce (edit it under
   Admin → Settings → Event pop-up; no deploy needed). Self-gating: shows once
   per browser until dismissed, and never after `expiresUTC`. */
(function () {
  function parseTimes(s) {
    return String(s || '').split(/\r?\n+/).map(function (l) { return l.trim(); }).filter(Boolean)
      .map(function (l) { var i = l.indexOf('|'); return i < 0 ? [l, ''] : [l.slice(0, i).trim(), l.slice(i + 1).trim()]; });
  }

  function start(EV) {
    // A cancellation has no flyer and no meet link, so neither is required any more: the
    // same card doubles as a plain notice (Marty, 2026-09-24).
    if (!EV || !EV.enabled || !EV.id) return false;
    if (EV.expiresUTC) { var exp = Date.parse(EV.expiresUTC); if (exp && Date.now() > exp) return false; }
    var KEY = 'rmc-announce-' + EV.id;
    try { if (localStorage.getItem(KEY) === 'done') return false; } catch (e) {}
    EV.timesArr = parseTimes(EV.times);

    var back, card;
    function done() { try { localStorage.setItem(KEY, 'done'); } catch (e) {} }
    function close() {
      if (!back) return;
      back.style.opacity = '0';
      setTimeout(function () { if (back && back.parentNode) back.parentNode.removeChild(back); back = null; }, 260);
      document.removeEventListener('keydown', onKey);
    }
    function dismiss() { done(); close(); }
    function onKey(e) { if (e.key === 'Escape') dismiss(); }

    function build() {
      back = document.createElement('div');
      back.setAttribute('role', 'dialog');
      back.setAttribute('aria-label', (EV.eyebrow || 'Event') + ' invitation');
      back.style.cssText = 'position:fixed;inset:0;z-index:2147483000;display:flex;align-items:center;justify-content:center;' +
        'padding:20px;background:rgba(3,7,14,.82);backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px);' +
        'opacity:0;transition:opacity .28s ease;overflow:auto;';
      back.addEventListener('click', function (e) { if (e.target === back) dismiss(); });

      card = document.createElement('div');
      card.style.cssText = 'position:relative;width:100%;max-width:428px;max-height:94vh;overflow:auto;border-radius:20px;' +
        'background:#0a1119;border:1px solid rgba(212,175,55,.55);box-shadow:0 24px 70px rgba(0,0,0,.7),0 0 0 1px rgba(212,175,55,.15);' +
        'font-family:system-ui,Segoe UI,Arial,sans-serif;';

      var x = document.createElement('button');
      x.setAttribute('aria-label', 'Close');
      x.innerHTML = '&times;';
      x.style.cssText = 'position:absolute;top:10px;right:12px;z-index:2;width:38px;height:38px;border-radius:50%;border:none;cursor:pointer;' +
        'background:rgba(6,10,16,.72);color:#fff;font-size:24px;line-height:1;font-weight:700;display:grid;place-items:center;box-shadow:0 2px 10px rgba(0,0,0,.5);';
      x.addEventListener('click', dismiss);

      var eyebrow = document.createElement('div');
      eyebrow.textContent = EV.eyebrow || '';
      eyebrow.style.cssText = 'text-align:center;letter-spacing:2px;text-transform:uppercase;font-size:11px;font-weight:700;color:#d4af37;padding:14px 44px 10px;';

      var img = EV.img ? document.createElement('img') : null;
      if (img) {
        img.src = EV.img;
        img.alt = EV.eyebrow || 'Event flyer';
        img.style.cssText = 'display:block;width:100%;height:auto;';
      }

      var foot = document.createElement('div');
      foot.style.cssText = 'padding:16px 20px 20px;';

      if (EV.dateLabel) {
        var dateRow = document.createElement('div');
        dateRow.innerHTML = '🗓 <b></b>';
        dateRow.querySelector('b').textContent = EV.dateLabel;
        dateRow.style.cssText = 'text-align:center;color:#eef2f7;font-size:15px;margin-bottom:12px;';
        foot.appendChild(dateRow);
      }

      if (EV.timesArr.length) {
        var grid = document.createElement('div');
        grid.style.cssText = 'display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-bottom:16px;';
        EV.timesArr.forEach(function (t) {
          var cell = document.createElement('div');
          cell.style.cssText = 'background:rgba(212,175,55,.08);border:1px solid rgba(212,175,55,.22);border-radius:10px;padding:8px 10px;';
          var time = document.createElement('div');
          time.style.cssText = 'font-size:15px;font-weight:800;color:#f3c34a;'; time.textContent = t[0];
          var region = document.createElement('div');
          region.style.cssText = 'font-size:11px;color:#9fb0c2;margin-top:1px;'; region.textContent = t[1] || ' ';
          cell.appendChild(time); cell.appendChild(region); grid.appendChild(cell);
        });
        foot.appendChild(grid);
      }

      var join = EV.meetUrl ? document.createElement('a') : null;
      if (join) {
      join.href = EV.meetUrl; join.target = '_blank'; join.rel = 'noopener';
      join.textContent = 'Join Google Meet →';
      join.style.cssText = 'display:block;text-align:center;text-decoration:none;background:linear-gradient(180deg,#e9c249,#d4af37);' +
        'color:#0a1119;font-size:18px;font-weight:800;padding:15px;border-radius:12px;box-shadow:0 8px 22px rgba(212,175,55,.35);';
      join.addEventListener('click', done);
      foot.appendChild(join);
      }

      var st = (EV.meetUrl && EV.startUTC) ? Date.parse(EV.startUTC) : 0;
      if (st) {
        var en = st + (Number(EV.durationMin) || 60) * 60000;
        var f = function (ms) { return new Date(ms).toISOString().replace(/[-:]|\.\d{3}/g, ''); };
        var title = EV.eyebrow || 'Team RM Circle · Weekly Huddle';
        var details = (EV.meetUrl ? 'Join: ' + EV.meetUrl + '\n' : '') + String(EV.times || '').replace(/\|/g, ' ');
        var gcal = 'https://calendar.google.com/calendar/render?action=TEMPLATE&text=' + encodeURIComponent(title) +
          '&dates=' + f(st) + '/' + f(en) + '&details=' + encodeURIComponent(details) + '&location=' + encodeURIComponent(EV.meetUrl || '');
        // On a phone a calendar.google.com link is claimed by the Google Calendar app, which opens its own
        // home screen and throws the event details away. Phones get the calendar file instead: iOS, Android
        // and the Google Calendar app all import it straight into the default calendar.
        var phone = /Android|iPhone|iPad|iPod/i.test(navigator.userAgent || '');
        var row = document.createElement('div');
        row.style.cssText = 'display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-top:10px;';
        var btnCss = 'display:block;text-align:center;text-decoration:none;background:rgba(212,175,55,.08);border:1px solid rgba(212,175,55,.35);' +
          'color:#f3c34a;font-size:13px;font-weight:700;padding:10px 8px;border-radius:10px;';
        var g = document.createElement('a');
        g.textContent = '📅 Add to Calendar'; g.style.cssText = btnCss;
        if (phone) g.href = '/announce.ics?open=1';
        else { g.href = gcal; g.target = '_blank'; g.rel = 'noopener'; }
        g.addEventListener('click', done);
        var a = document.createElement('a');
        a.style.cssText = btnCss;
        if (phone) { a.href = gcal; a.target = '_blank'; a.rel = 'noopener'; a.textContent = 'Google Calendar'; }
        else { a.href = '/announce.ics'; a.setAttribute('download', 'rm-circle-huddle.ics'); a.textContent = 'Apple / Outlook'; }
        a.addEventListener('click', done);
        row.appendChild(g); row.appendChild(a); foot.appendChild(row);
      }

      if (EV.meetUrl) {
        var link = document.createElement('div');
        link.textContent = EV.meetUrl.replace(/^https?:\/\//, '');
        link.style.cssText = 'text-align:center;color:#9fb0c2;font-size:13px;margin-top:10px;font-family:ui-monospace,Menlo,Consolas,monospace;word-break:break-all;';
        foot.appendChild(link);
      }

      var later = document.createElement('button');
      later.textContent = 'Maybe later';
      later.style.cssText = 'display:block;margin:12px auto 0;background:none;border:none;color:#7d8ea0;font-size:13px;cursor:pointer;text-decoration:underline;';
      later.addEventListener('click', dismiss);
      foot.appendChild(later);

      card.appendChild(x); card.appendChild(eyebrow); if (img) card.appendChild(img); card.appendChild(foot);
      back.appendChild(card); document.body.appendChild(back);
      document.addEventListener('keydown', onKey);
      requestAnimationFrame(function () { back.style.opacity = '1'; });
    }

    setTimeout(build, 1100);
    return true;
  }

  /* Promo overlay: one flyer, one button, once per browser SESSION (sessionStorage), only on the
     pages listed in promo.pages (path segment after the first slash: 'my', 'app', or 'all'). */
  function startPromo(P) {
    if (!P || !P.enabled || !P.id || !P.img) return;
    if (P.expiresUTC) { var exp = Date.parse(P.expiresUTC); if (exp && Date.now() > exp) return; }
    var seg = (location.pathname.split('/')[1] || 'home').toLowerCase();
    var pages = String(P.pages || 'all').split(',').map(function (x) { return x.trim().toLowerCase(); }).filter(Boolean);
    if (pages.indexOf('all') < 0 && pages.indexOf(seg) < 0) return;
    var KEY = 'rmc-promo-' + P.id;
    try { if (sessionStorage.getItem(KEY) === 'seen') return; } catch (e) {}
    var back;
    function mark() { try { sessionStorage.setItem(KEY, 'seen'); } catch (e) {} }
    function close() { if (!back) return; mark(); back.style.opacity = '0'; setTimeout(function () { if (back && back.parentNode) back.parentNode.removeChild(back); back = null; }, 260); document.removeEventListener('keydown', onKey); }
    function onKey(e) { if (e.key === 'Escape') close(); }
    function build() {
      back = document.createElement('div');
      back.setAttribute('role', 'dialog'); back.setAttribute('aria-label', P.eyebrow || 'Upgrade');
      back.style.cssText = 'position:fixed;inset:0;z-index:2147483000;display:flex;align-items:center;justify-content:center;padding:16px;background:rgba(3,7,14,.84);backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px);opacity:0;transition:opacity .28s ease;overflow:auto;';
      back.addEventListener('click', function (e) { if (e.target === back) close(); });
      var card = document.createElement('div');
      card.style.cssText = 'position:relative;width:100%;max-width:420px;max-height:96vh;overflow:auto;border-radius:20px;background:#0a1119;border:1px solid rgba(212,175,55,.55);box-shadow:0 24px 70px rgba(0,0,0,.7);font-family:system-ui,Segoe UI,Arial,sans-serif;';
      var x = document.createElement('button');
      x.setAttribute('aria-label', 'Close'); x.innerHTML = '&times;';
      x.style.cssText = 'position:absolute;top:10px;right:12px;z-index:2;width:38px;height:38px;border-radius:50%;border:none;cursor:pointer;background:rgba(6,10,16,.72);color:#fff;font-size:24px;line-height:1;font-weight:700;display:grid;place-items:center;box-shadow:0 2px 10px rgba(0,0,0,.5);';
      x.addEventListener('click', close);
      var img = document.createElement('img');
      img.src = P.img; img.alt = P.eyebrow || 'Upgrade'; img.style.cssText = 'display:block;width:100%;height:auto;border-radius:20px 20px 0 0;';
      var foot = document.createElement('div'); foot.style.cssText = 'padding:14px 18px 18px;';
      var cta = document.createElement('a');
      cta.href = P.ctaUrl || '/my'; cta.textContent = P.ctaText || 'See my next step \u2192';
      cta.style.cssText = 'display:block;text-align:center;text-decoration:none;background:linear-gradient(180deg,#e9c249,#d4af37);color:#0a1119;font-size:18px;font-weight:800;padding:15px;border-radius:12px;box-shadow:0 8px 22px rgba(212,175,55,.35);';
      cta.addEventListener('click', function (e) {
        // already on the target page: close and scroll to the plan card instead of reloading
        var here = (P.ctaUrl || '/my').split('#')[0].replace(/\/$/, '') === location.pathname.replace(/\/$/, '');
        if (here) { e.preventDefault(); close(); var t = document.querySelector('.ns-card, #nextStep, #plan'); if (t) setTimeout(function () { t.scrollIntoView({ behavior: 'smooth', block: 'center' }); }, 300); }
        else mark();
      });
      var later = document.createElement('button');
      later.textContent = 'Not now'; later.style.cssText = 'display:block;margin:10px auto 0;background:none;border:none;color:#7d8ea0;font-size:13px;cursor:pointer;text-decoration:underline;';
      later.addEventListener('click', close);
      foot.appendChild(cta); foot.appendChild(later);
      card.appendChild(x); if (img) card.appendChild(img); card.appendChild(foot);
      back.appendChild(card); document.body.appendChild(back);
      document.addEventListener('keydown', onKey);
      requestAnimationFrame(function () { back.style.opacity = '1'; });
    }
    setTimeout(build, 900);
  }

  function fetchAndGo() {
    fetch('/api/announce', { headers: { 'Accept': 'application/json' } })
      .then(function (r) { return r.ok ? r.json() : null; })
      .then(function (EV) { if (!EV) return; var shown = start(EV); if (!shown) startPromo(EV.promo); })
      .catch(function () {});
  }
  if (document.readyState === 'loading') document.addEventListener('DOMContentLoaded', fetchAndGo);
  else fetchAndGo();
})();