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<html><head><base href="https://websim.ai" />
<title>Advanced Crusty JPEG Pixelator</title>
<script src="https://cdnjs.cloudflare.com/ajax/libs/p5.js/1.9.4/p5.min.js"></script>
<style>
  body {
    font-family: Arial, sans-serif;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    margin: 0;
    background-color: #f0f0f0;
    background-image: url('https://i.redd.it/9vbk2x63s1c91.jpg');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    background-attachment: fixed;
  }
  body::before {
    content: "";
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(240, 240, 240, 0.5);
    z-index: -1;
  }
  .container {
    text-align: center;
    background-color: rgba(255, 255, 255, 0.8);
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 0 10px rgba(0,0,0,0.1);
    max-width: 90vw;
    width: 100%;
  }
  #uploadBtn, #downloadBtn {
    margin: 10px;
    padding: 10px 20px;
    font-size: 16px;
    cursor: pointer;
  }
  #canvas {
    margin-top: 20px;
    max-width: 100%;
    max-height: 70vh;
    overflow: auto;
  }
  .slider-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    margin: 10px 0;
  }
  .slider-label {
    margin-bottom: 5px;
  }
  .slider {
    width: 80%;
    margin: 5px auto;
  }
</style>
</head>
<body>
<div class="container">
  <h1>Advanced Crusty JPEG Pixelator</h1>
  <input type="file" id="fileInput" accept="image/*" style="display: none;">
  <button id="uploadBtn">Upload Image</button>
  <button id="downloadBtn" disabled>Download Processed Image</button>
  <div class="slider-container">
    <label class="slider-label" for="crustySlider">Crustiness Level: </label>
    <input type="range" id="crustySlider" class="slider" min="0" max="10" value="0" step="0.1">
  </div>
  <div class="slider-container">
    <label class="slider-label" for="pixelSlider">Pixelation Level: </label>
    <input type="range" id="pixelSlider" class="slider" min="0" max="10" value="0" step="0.1">
  </div>
  <div id="canvas"></div>
</div>

<script>
let img;
let processedImg;
let crustySlider;
let pixelSlider;
let canvas;
const MAX_WIDTH = Math.min(800, window.innerWidth * 0.9);
const MAX_HEIGHT = window.innerHeight * 0.7;

function setup() {
  console.log('Setup function called');
  canvas = createCanvas(1, 1);
  canvas.parent('canvas');
  
  select('#uploadBtn').mousePressed(() => {
    console.log('Upload button clicked');
    select('#fileInput').elt.click();
  });
  select('#fileInput').changed(handleFile);
  select('#downloadBtn').mousePressed(downloadProcessedImage);
  
  crustySlider = select('#crustySlider');
  pixelSlider = select('#pixelSlider');
  crustySlider.input(updateImage);
  pixelSlider.input(updateImage);
  crustySlider.attribute('disabled', '');
  pixelSlider.attribute('disabled', '');
  
  console.log('Setup complete');
}

function handleFile(event) {
  console.log('File selected:', event);
  const file = event.target.files[0];
  if (file && file.type.startsWith('image')) {
    console.log('File type:', file.type);
    loadImage(URL.createObjectURL(file), (loadedImg) => {
      console.log('Image loaded');
      img = loadedImg;
      let scaleFactor = Math.min(MAX_WIDTH / img.width, MAX_HEIGHT / img.height);
      let newWidth = img.width * scaleFactor;
      let newHeight = img.height * scaleFactor;
      
      resizeCanvas(newWidth, newHeight);
      image(img, 0, 0, newWidth, newHeight);
      select('#downloadBtn').removeAttribute('disabled');
      crustySlider.removeAttribute('disabled');
      pixelSlider.removeAttribute('disabled');
      updateImage();
    }, (error) => {
      console.error('Error loading image:', error);
    });
  } else {
    console.log('No valid image file selected');
  }
}

function updateImage() {
  console.log('Updating image');
  if (!img) {
    console.log('No image loaded yet');
    return;
  }
  
  let crustiness = crustySlider.value();
  let pixelation = pixelSlider.value();
  console.log('Crustiness level:', crustiness, 'Pixelation level:', pixelation);
  
  // Apply JPEG-like artifacts (crustiness)
  processedImg = createImage(img.width, img.height);
  processedImg.copy(img, 0, 0, img.width, img.height, 0, 0, img.width, img.height);
  processedImg.loadPixels();
  for (let i = 0; i < processedImg.pixels.length; i += 4) {
    let quantizationFactor = Math.floor(crustiness * 25) + 1;
    processedImg.pixels[i] = Math.floor(processedImg.pixels[i] / quantizationFactor) * quantizationFactor;
    processedImg.pixels[i+1] = Math.floor(processedImg.pixels[i+1] / quantizationFactor) * quantizationFactor;
    processedImg.pixels[i+2] = Math.floor(processedImg.pixels[i+2] / quantizationFactor) * quantizationFactor;
  }
  processedImg.updatePixels();
  
  // Apply pixelation
  let scaleFactor = Math.pow(0.5, pixelation / 2);
  let newWidth = Math.max(1, Math.floor(img.width * scaleFactor));
  let newHeight = Math.max(1, Math.floor(img.height * scaleFactor));
  
  // Create a temporary canvas for pixelation
  let tempCanvas = createGraphics(newWidth, newHeight);
  tempCanvas.image(processedImg, 0, 0, newWidth, newHeight);
  
  // Resize back to original size with nearest-neighbor interpolation
  processedImg = createImage(img.width, img.height);
  processedImg.copy(tempCanvas, 0, 0, newWidth, newHeight, 0, 0, img.width, img.height);
  
  // Display the processed image
  image(processedImg, 0, 0, width, height);
  console.log('Image updated and displayed');
}

function downloadProcessedImage() {
  console.log('Downloading processed image');
  if (processedImg) {
    save(processedImg, 'crusty_pixelated_image.jpg');
  } else {
    console.log('No processed image to download');
  }
}

function windowResized() {
  if (img) {
    let scaleFactor = Math.min(MAX_WIDTH / img.width, MAX_HEIGHT / img.height);
    let newWidth = img.width * scaleFactor;
    let newHeight = img.height * scaleFactor;
    resizeCanvas(newWidth, newHeight);
    updateImage();
  }
}

// Initialize p5.js
new p5();

// Error handling and logging
window.onerror = function(message, source, lineno, colno, error) {
  console.error('Global error:', message, 'at', source, 'line', lineno, 'column', colno);
  console.error('Error object:', error);
};

// Ensure all DOM elements are loaded before initializing
document.addEventListener('DOMContentLoaded', function() {
  console.log('DOM fully loaded and parsed');
});
</script>
</body>
</html>