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<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Fullscreen Crossfade Slideshow with Audio</title>
  <style>
    * { margin: 0; padding: 0; }
    html, body { width: 100%; height: 100%; overflow: hidden; }

    #slideshow {
      position: relative;
      width: 100%;
      height: 100%;
      cursor: pointer;
      background-color: white;
    }
    .slide {
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: opacity 2s ease-in-out;
    }
    .slide.hidden {
      opacity: 0;
      z-index: 1;
    }
    .slide.visible {
      opacity: 1;
      z-index: 2;
    }
    .white-background {
      background: white;
      object-fit: cover;
      transform: scaleY(5);
    }
  </style>
</head>
<body>
  <div id="slideshow">
    <img id="slide1" class="slide visible" src="https://huggingface.co/datasets/vericudebuget/test1423/resolve/main/WhatsApp%20Image%202025-05-16%20at%203.03.14%20PM.jpeg" alt="">
    <img id="slide2" class="slide hidden" src="" alt="">
  </div>

  <audio id="bgAudio" preload="auto" style="display:none;">
    <source src="https://huggingface.co/datasets/vericudebuget/test1423/resolve/main/ytmp3free.cc_corul-buna-vestire-francisc-hubic-miluiestema-dumnezeule-gheorghe-cucu-youtubemp3free.o%20(1).mp3?download=true" type="audio/mpeg">
  </audio>

  <script>
    const images = [
      'https://huggingface.co/datasets/vericudebuget/test1423/resolve/main/WhatsApp%20Image%202025-05-16%20at%203.03.14%20PM.jpeg',
      'https://huggingface.co/datasets/vericudebuget/test1423/resolve/main/WhatsApp%20Image%202025-05-16%20at%203.03.14%20PM%20(1).jpeg',
      'https://huggingface.co/datasets/vericudebuget/test1423/resolve/main/WhatsApp%20Image%202025-05-16%20at%203.03.14%20PM%20(2).jpeg'
    ];
    images.forEach(url => new Image().src = url);

    const slide1 = document.getElementById('slide1');
    const slide2 = document.getElementById('slide2');
    const slideshow = document.getElementById('slideshow');
    const bgAudio = document.getElementById('bgAudio');
    bgAudio.volume = 0;

    const slides = [
      { type: 'image', src: images[0] },
      { type: 'image', src: images[1] },
      { type: 'audio' },
      { type: 'image', src: images[2] },
      { type: 'white' }
    ];

    let currentIndex = 0;
    let isAudioPlaying = false;

    slideshow.addEventListener('click', () => {
      const nextIndex = (currentIndex + 1);
      const nextSlide = slides[nextIndex];

      if (!nextSlide) return;

      if (nextSlide.type === 'audio') {
        bgAudio.currentTime = 0;
        bgAudio.play();
        isAudioPlaying = true;
        fadeVolume(bgAudio, 0, 1, 3000);

      } else if (nextSlide.type === 'image') {
        const topSlide = slide1.classList.contains('visible') ? slide1 : slide2;
        const bottomSlide = topSlide === slide1 ? slide2 : slide1;

        const prevIdx = slides.findIndex(s => s.src === topSlide.src);
        const newIdx = images.indexOf(nextSlide.src);
        const duration = (prevIdx === 1 && newIdx === 2) ? 5 : 2;
        slide1.style.transition = `opacity ${duration}s ease-in-out`;
        slide2.style.transition = `opacity ${duration}s ease-in-out`;

        bottomSlide.src = nextSlide.src;
        bottomSlide.alt = "";
        bottomSlide.classList.remove('white-background');
        bottomSlide.classList.remove('hidden');
        bottomSlide.classList.add('visible');
        topSlide.classList.remove('visible');
        topSlide.classList.add('hidden');

      } else if (nextSlide.type === 'white') {
        fadeVolume(bgAudio, bgAudio.volume, 0, 10000);
        const topSlide = slide1.classList.contains('visible') ? slide1 : slide2;
        const bottomSlide = topSlide === slide1 ? slide2 : slide1;

        bottomSlide.removeAttribute('src');
        bottomSlide.alt = "";
        bottomSlide.classList.add('white-background');
        bottomSlide.style.transition = 'opacity 10s ease-in-out';
        topSlide.style.transition = 'opacity 10s ease-in-out';

        bottomSlide.classList.remove('hidden');
        bottomSlide.classList.add('visible');
        topSlide.classList.remove('visible');
        topSlide.classList.add('hidden');
      }

      currentIndex = nextIndex;
    });

    function fadeVolume(audio, from, to, duration) {
      const steps = 30;
      const stepTime = duration / steps;
      let step = 0;
      const volumeStep = (to - from) / steps;
      const fade = setInterval(() => {
        audio.volume = Math.min(Math.max(audio.volume + volumeStep, 0), 1);
        if (++step >= steps) clearInterval(fade);
        if (audio.volume === 0) audio.pause();
      }, stepTime);
    }

    document.addEventListener('keydown', (e) => {
      if (e.key.toLowerCase() === 'k') {
        if (bgAudio.paused) {
          bgAudio.play();
          isAudioPlaying = true;
        } else {
          bgAudio.pause();
          isAudioPlaying = false;
        }
      }
    });
  </script>
</body>
</html>