/* hd-commerce — Popup-Engine (vanilla). Frequenz-Cap via localStorage.
   Stile: modal (zentral), slidein (unten rechts), bar (oben). Typ discount: Code + Kopieren. */
(function () {
  var root = document.getElementById('popupRoot');
  if (!root) return;
  var popups;
  try { popups = JSON.parse(root.getAttribute('data-popups') || '[]'); } catch (e) { return; }
  if (!popups || !popups.length) return;

  function seen(p) {
    var k = 'hdc_popup_' + p.id;
    var v = localStorage.getItem(k);
    if (!v) return false;
    if (p.freq === 'always') return false;
    if (p.freq === 'session') return sessionStorage.getItem('hdc_ps_' + p.id) === '1';
    if (p.freq === 'days7') { return (Date.now() - parseInt(v, 10)) < 7 * 864e5; }
    return true;
  }
  function mark(p) {
    localStorage.setItem('hdc_popup_' + p.id, String(Date.now()));
    if (p.freq === 'session') sessionStorage.setItem('hdc_ps_' + p.id, '1');
  }
  function esc(s) { return String(s == null ? '' : s).replace(/[&<>"]/g, function (c) { return ({ '&': '&amp;', '<': '&lt;', '>': '&gt;', '"': '&quot;' })[c]; }); }

  function innerHtml(p) {
    var isNl = p.type === 'newsletter';
    var isDisc = p.type === 'discount' && p.discount_code;
    var html =
      (p.image ? '<img src="' + esc(p.image) + '" alt="" style="border-radius:10px;margin-bottom:14px;max-height:160px;width:100%;object-fit:cover">' : '') +
      '<h3>' + esc(p.headline) + '</h3>' +
      '<p>' + esc(p.body) + '</p>';
    if (isDisc) {
      html += '<div class="hdc-code"><code>' + esc(p.discount_code) + '</code>' +
        '<button type="button" class="hdc-copy" data-code="' + esc(p.discount_code) + '">Kopieren</button></div>';
      if (p.cta_url) html += '<a class="btn btn-primary btn-block" href="' + esc(p.cta_url) + '">' + esc(p.cta_text || 'Zum Shop') + '</a>';
    } else if (isNl) {
      html += '<form class="nl-form"><input type="email" required placeholder="deine@email.de"><button class="btn btn-primary btn-block" type="submit">' + esc(p.cta_text || 'Anmelden') + '</button><div class="nl-msg"></div></form>';
    } else if (p.cta_url) {
      html += '<a class="btn btn-primary btn-lg" href="' + esc(p.cta_url) + '">' + esc(p.cta_text || 'Mehr') + '</a>';
    }
    return html;
  }

  function build(p) {
    var style = p.style || 'modal';
    var ov, card;
    if (style === 'modal') {
      ov = document.createElement('div');
      ov.className = 'hdc-popup-overlay';
      ov.innerHTML = '<div class="hdc-popup"><button class="px" aria-label="Schließen">&times;</button>' + innerHtml(p) + '</div>';
      card = ov.querySelector('.hdc-popup');
    } else {
      ov = document.createElement('div');
      ov.className = 'hdc-popup-' + (style === 'bar' ? 'bar' : 'slidein');
      ov.innerHTML = '<div class="hdc-pp-inner"><button class="px" aria-label="Schließen">&times;</button>' + innerHtml(p) + '</div>';
      card = ov;
    }
    document.body.appendChild(ov);
    requestAnimationFrame(function () { ov.classList.add('show'); });

    function close() { ov.classList.remove('show'); mark(p); setTimeout(function () { ov.remove(); }, 320); }
    ov.querySelector('.px').addEventListener('click', close);
    if (style === 'modal') ov.addEventListener('click', function (e) { if (e.target === ov) close(); });

    var copyBtn = ov.querySelector('.hdc-copy');
    if (copyBtn) copyBtn.addEventListener('click', function () {
      var code = copyBtn.getAttribute('data-code');
      try { navigator.clipboard.writeText(code); } catch (e) {}
      var old = copyBtn.textContent; copyBtn.textContent = 'Kopiert!';
      setTimeout(function () { copyBtn.textContent = old; }, 1600);
    });

    var form = ov.querySelector('form');
    if (form) {
      form.addEventListener('submit', function (e) {
        e.preventDefault();
        var email = form.querySelector('input').value;
        var msg = form.querySelector('.nl-msg');
        fetch('/api/subscribe', { method: 'POST', headers: { 'Content-Type': 'application/json' },
          body: JSON.stringify({ email: email, source: 'popup' }) })
          .then(function (r) { return r.json(); })
          .then(function () { msg.textContent = 'Danke! Schau in dein Postfach.'; setTimeout(close, 1600); })
          .catch(function () { msg.textContent = 'Bitte später erneut versuchen.'; });
      });
    }
  }

  function arm(p) {
    if (seen(p)) return;
    var trig = p.trigger || 'delay';
    var val = parseInt(p.trigger_value, 10) || 0;
    if (trig === 'delay') { setTimeout(function () { build(p); }, Math.max(0, val) * 1000); }
    else if (trig === 'scroll') {
      var fn = function () {
        var sc = (window.scrollY + window.innerHeight) / document.body.scrollHeight * 100;
        if (sc >= (val || 50)) { window.removeEventListener('scroll', fn); build(p); }
      };
      window.addEventListener('scroll', fn, { passive: true });
    } else if (trig === 'exit') {
      var fired = false;
      document.addEventListener('mouseout', function (e) {
        if (!fired && e.clientY <= 0 && !e.relatedTarget) { fired = true; build(p); }
      });
      setTimeout(function () { if (!fired) { fired = true; build(p); } }, 25000); // mobile-fallback
    }
  }
  popups.forEach(arm);
})();