let selectedPalette = [];

fetch('colors.json')
  .then(response => response.json())
  .then(data => {
    const colorFamiliesContainer = document.getElementById('color-families');

    data.forEach(family => {
      const familyDiv = document.createElement('div');
      familyDiv.classList.add('color-family');
      familyDiv.innerHTML = `<h3>${family.family}</h3>`;

      const swatchContainer = document.createElement('div');
      swatchContainer.classList.add('swatch-container');

      family.colors.forEach(color => {
        const swatchWrapper = document.createElement('div');
        swatchWrapper.classList.add('swatch-wrapper');

        const swatch = document.createElement('div');
        swatch.classList.add('color-swatch');
        swatch.dataset.color = color.hex;

        const backgroundDiv = document.createElement('div');
        backgroundDiv.classList.add('color-background');
        backgroundDiv.style.backgroundColor = color.hex;

        if (color.metallic && color.chromeType) {
          backgroundDiv.classList.add('metallic', `chrome-${color.chromeType}`);
        }

        const metallicNames = ["Gold", "Silver", "Rose Gold", "Hot Magenta"];
        if (metallicNames.includes(color.name)) {
          backgroundDiv.classList.add('metallic');
        }

        if (isLightColor(color.hex)) {
          backgroundDiv.style.border = '1px solid rgba(0, 0, 0, 0.2)';
        }

        swatch.appendChild(backgroundDiv);

        const shineImg = document.createElement('img');
        shineImg.classList.add('color-shine');
        shineImg.src = "shine.svg";
        shineImg.alt = "";
        swatch.appendChild(shineImg);

        const colorName = document.createElement('span');
        colorName.classList.add('color-name');
        colorName.textContent = color.name;
        colorName.title = color.name;

        swatch.addEventListener('click', () => {
          const isSelected = selectedPalette.some(c => c.hex === color.hex);
          if (isSelected) {
            selectedPalette = selectedPalette.filter(c => c.hex !== color.hex);
          } else {
            selectedPalette.push({ name: color.name, hex: color.hex, metallic: color.metallic, chromeType: color.chromeType });
          }

          backgroundDiv.classList.add('pop');
          backgroundDiv.addEventListener('animationend', () => {
            backgroundDiv.classList.remove('pop');
          }, { once: true });

          renderSelectedPalette();
          updateSwatchHighlights();
        });

        swatchWrapper.appendChild(swatch);
        swatchWrapper.appendChild(colorName);
        swatchContainer.appendChild(swatchWrapper);
      });

      familyDiv.appendChild(swatchContainer);
      colorFamiliesContainer.appendChild(familyDiv);
    });

    renderSelectedPalette();
    updateSwatchHighlights();
  })
  .catch(error => console.error('Error loading colors:', error));


function renderSelectedPalette() {
  const paletteColorsContainer = document.getElementById('palette-colors');
  const previousHeight = paletteColorsContainer.offsetHeight;
  paletteColorsContainer.innerHTML = '';

  selectedPalette.forEach(color => {
    const swatchWrapper = document.createElement('div');
    swatchWrapper.classList.add('swatch-wrapper');

    const swatch = document.createElement('div');
    swatch.classList.add('color-swatch', 'balloon-float');
    swatch.dataset.color = color.hex;
    
    // Randomize animation
    const duration = (Math.random() * 3 + 3).toFixed(2) + 's'; // 3s–6s
    const delay = (Math.random() * 2).toFixed(2) + 's';
    swatch.style.animationDuration = duration;
    swatch.style.animationDelay = delay;
    
    // Optional random float rotation direction
    const rotate = Math.random() > 0.5 ? 'rotate(-3deg)' : 'rotate(3deg)';
    swatch.style.transform = rotate;
    
    
    const backgroundDiv = document.createElement('div');
    backgroundDiv.classList.add('color-background');
    backgroundDiv.style.backgroundColor = color.hex;

    if (isLightColor(color.hex)) {
      backgroundDiv.style.border = '1px solid rgba(0, 0, 0, 0.2)';
    }

    if (color.metallic && color.chromeType) {
      backgroundDiv.classList.add('metallic', `chrome-${color.chromeType}`);
    }

    backgroundDiv.classList.add('chosen');
    swatch.appendChild(backgroundDiv);

    const shineImg = document.createElement('img');
    shineImg.classList.add('color-shine');
    shineImg.src = "shine.svg";
    shineImg.alt = "";
    swatch.appendChild(shineImg);

    swatch.addEventListener('click', () => {
      selectedPalette = selectedPalette.filter(c => c.hex !== color.hex);
      renderSelectedPalette();
      updateSwatchHighlights();
    });

    const colorName = document.createElement('span');
    colorName.classList.add('color-name', 'highlighted-name');
    colorName.textContent = color.name;

    swatchWrapper.appendChild(swatch);
    swatchWrapper.appendChild(colorName);
    paletteColorsContainer.appendChild(swatchWrapper);
  });

  const newHeight = paletteColorsContainer.scrollHeight;
  paletteColorsContainer.style.maxHeight = previousHeight + 'px';
  void paletteColorsContainer.offsetWidth;
  paletteColorsContainer.style.maxHeight = newHeight + 'px';
}


function updateSwatchHighlights() {
  const allSwatches = document.querySelectorAll('#color-families .color-swatch');

  allSwatches.forEach(swatch => {
    const color = swatch.dataset.color;
    const background = swatch.querySelector('.color-background');
    const nameEl = swatch.parentElement.querySelector('.color-name');
    const isSelected = selectedPalette.some(c => c.hex === color);

    if (isSelected) {
      background.classList.add('chosen');
      nameEl.classList.add('highlighted-name');
    } else {
      background.classList.remove('chosen');
      nameEl.classList.remove('highlighted-name');
    }
  });
}

document.getElementById('clear-palette').addEventListener('click', () => {
  selectedPalette = [];
  renderSelectedPalette();
  updateSwatchHighlights();
});

window.addEventListener('scroll', () => {
  const palette = document.getElementById('selected-palette');
  if (window.scrollY > 0) {
    palette.classList.add('stuck');
  } else {
    palette.classList.remove('stuck');
  }
});

function isLightColor(hex) {
  const rgb = hex.replace('#', '').match(/.{1,2}/g).map(x => parseInt(x, 16));
  const brightness = (rgb[0] * 299 + rgb[1] * 587 + rgb[2] * 114) / 1000;
  return brightness > 220;
}