script.js

// bgImages
const bgImages = [
  'url("images/milky-way.jpg")',
  'url("images/matrix-bg.gif")',
  'url("images/result_AI.png")',
  'url("images/Satellite_1_.jpg")',
  'url("images/Big-SAT.jpg")'
];

// Може да е МИКС – Vimeo ID, Vimeo URL, YouTube, Drive preview, .mp4/.webm:
const videos = [
  '1103921662', // Vimeo (само ID) – твоят дефолтен
  '1126968160', // Viemo Invideo 2
  'https://youtu.be/ozfdYn97QFs',
  'https://player.vimeo.com/video/355087337',
  // 'https://www.youtube.com/watch?v=dQw4w9WgXcQ',
  'https://www.youtube.com/watch?v=SZRXy_jfWU0&list=PL4B1948130C2A7468',
  // 'https://youtu.be/dQw4w9WgXcQ',
  // 'https://drive.google.com/file/d/FILE_ID/preview',
  //'https://drive.google.com/file/d/177Wsg30E4tMZ2HYYA_iaRxAhEwgn6LZK/view?usp=sharing',
  // 'videos/demo.mp4'
];

let currentBgIndex = -1;
let currentVideoIdx = -1;
let originalHeaderContent = null;

function buildEmbedHTML(input) {
  const s = String(input).trim();

  // Vimeo: чисто числов ID (минимум 6 цифри счита се за ID)
  const isNumericId = /^\d{6,}$/.test(s);
  // Vimeo URL
  const vimeoMatch = s.match(/vimeo\.com\/(?:video\/)?(\d+)/i);

  if (isNumericId || vimeoMatch) {
    const id = isNumericId ? s : vimeoMatch[1];
    const src = `https://player.vimeo.com/video/${id}?autoplay=1&loop=1&muted=0&background=1&playsinline=1`;
    return `<iframe src="${src}" frameborder="0" allow="autoplay; fullscreen" allowfullscreen></iframe>`;
  }

  // YouTube
  if (/youtu\.be\/|youtube\.com\/watch\?v=|youtube\.com\/embed\//i.test(s)) {
    let videoId = '';
    const m1 = s.match(/youtube\.com\/watch\?v=([^&]+)/i);
    const m2 = s.match(/youtu\.be\/([^?&]+)/i);
    const m3 = s.match(/youtube\.com\/embed\/([^?&]+)/i);
    if (m1) videoId = m1[1];
    else if (m2) videoId = m2[1];
    else if (m3) videoId = m3[1];
    if (!videoId) throw new Error('YouTube-Link ohne Video-ID.');

    const src = `https://www.youtube.com/embed/${videoId}?autoplay=1&mute=0&loop=1&playlist=${videoId}&playsinline=1&modestbranding=1&controls=0`;
    return `<iframe src="${src}" frameborder="0" allow="autoplay; encrypted-media" allowfullscreen></iframe>`;
  }

  // Google Drive (/preview е задължителен)
  if (/drive\.google\.com\/file\/.*\/(preview|view)/i.test(s)) {
    const preview = s.replace(/\/view(\?[^"]*)?$/i, '/preview');
    return `<iframe src="${preview}" frameborder="0" allow="autoplay; fullscreen" allowfullscreen></iframe>`;
  }

  // Директни файлове
  if (/\.(mp4|webm)(\?.*)?$/i.test(s)) {
    const type = s.toLowerCase().endsWith('.webm') ? 'webm' : 'mp4';
    return `
      <video controls autoplay muted loop playsinline>
        <source src="${s}" type="video/${type}">
        Ihr Browser unterstützt dieses Video nicht.
      </video>`;
  }

  // Фолбек – приемаме iframe
  return `<iframe src="${s}" frameborder="0" allow="autoplay; fullscreen" allowfullscreen></iframe>`;
}

function activateSmartHome() {
  const header = document.getElementById('header');
  const main = document.getElementById('main-content');

  if (!header) { console.error('#header nicht gefunden'); return; }

  if (originalHeaderContent === null) {
    originalHeaderContent = header.innerHTML;
  }

  // следващо видео
  currentVideoIdx = (currentVideoIdx + 1) % videos.length;
  const embed = buildEmbedHTML(videos[currentVideoIdx]);

  header.innerHTML = `
    <div class="video-crop-container">
      ${embed}
      <div class="video-overlay" id="video-overlay">
        <h1>SMART HOME – Willkommen in der Zukunft!!!</h1>
      </div>
    </div>
    <button onclick="restoreWelcomeText()" class="video-close-btn" aria-label="Close">×</button>
  `;

  // overlay hide след 4 секунди
  const overlay = document.getElementById('video-overlay');
  if (overlay) {
    overlay.style.opacity = '1';
    setTimeout(() => {
      let o = 1;
      const step = setInterval(() => {
        o -= 0.05;
        overlay.style.opacity = String(o);
        if (o <= 0) { clearInterval(step); overlay.style.display = 'none'; }
      }, 100);
    }, 4000);
  }

  // завърти background-а
  if (main) {
    currentBgIndex = (currentBgIndex + 1) % bgImages.length;
    main.style.backgroundImage = bgImages[currentBgIndex];
  }
}

function restoreWelcomeText() {
  const header = document.getElementById('header');
  if (!header) return;

  if (originalHeaderContent !== null) {
    header.innerHTML = originalHeaderContent;
  }
  currentVideoIdx = -1;
}

/* ===========================
   ДОБАВЕНО: старт от точни индекси
   (ползва стандартното activateSmartHome и цикъла му)
   =========================== */

function showTopVideoInfo(msg, ms = 3500) {
  // updateStatus() е в index.html долу
  if (typeof updateStatus === "function") {
    updateStatus(msg);
    clearTimeout(window.__statusTimer);
    window.__statusTimer = setTimeout(() => updateStatus(""), ms);
  }
}

function startPreset(videoIndex0, bgIndex0, msg) {
  // activateSmartHome() прави +1 първо => задаваме една стъпка назад
  currentVideoIdx = videoIndex0 - 1;
  currentBgIndex  = bgIndex0  - 1;

  activateSmartHome(); // стандартното (цикълът си остава)
  showTopVideoInfo(msg);
}

document.addEventListener("DOMContentLoaded", () => {
  // Хващаме картите по точните им H3 заглавия от index.html
  const h3s = Array.from(document.querySelectorAll("h3"));
  const smartH3 = h3s.find(h => (h.textContent || "").trim() === "🏡 SMART HOME Lösungen");
  const ivanH3  = h3s.find(h => (h.textContent || "").trim() === "🔧 Handwerkspartner-Netzwerk");

  // Карта = най-близкия div.bg-white (точно твоите cards)
  const smartCard = smartH3 ? smartH3.closest("div.bg-white") : null;
  const ivanCard  = ivanH3  ? ivanH3.closest("div.bg-white")  : null;

  // SMART HOME: 2-ри клип (videos[1]) + 2-ри фон (bgImages[1] = matrix)
  if (smartCard) {
    smartCard.style.cursor = "pointer";
    smartCard.addEventListener("click", (e) => {
      // ако потребителят клика линк вътре, не му пречим
      if (e.target && e.target.closest && e.target.closest("a")) return;

      startPreset(1, 1, "🎬 Видео пример е отворено горе (SMART HOME).");
      // Ако искаш сателит фон вместо matrix: startPreset(1, 3, "...");  // bgImages[3]
    });
  }

  // Handwerkspartner / Ivan: 4-ти клип (videos[3]) + звезди (bgImages[0] = milky-way)
  if (ivanCard) {
    ivanCard.style.cursor = "pointer";
    ivanCard.addEventListener("click", (e) => {
      if (e.target && e.target.closest && e.target.closest("a")) return;

      startPreset(3, 0, "🎬 Видео пример е отворено горе (Handwerkspartner / Ivan).");
    });
  }
});