// 处理主题样式
export function handleThemeStyle(theme) {
  document.documentElement.style.setProperty('--el-color-primary', theme);
  for (let i = 1; i <= 9; i++) {
    document.documentElement.style.setProperty(`--el-color-primary-light-${i}`, `${getLightColor(theme, i / 10)}`);
  }
  for (let i = 1; i <= 9; i++) {
    document.documentElement.style.setProperty(`--el-color-primary-dark-${i}`, `${getDarkColor(theme, i / 10)}`);
  }
}

// hex颜色转rgb颜色
export function hexToRgb(str) {
  str = str.replace('#', '');
  let hexs = str.match(/../g);
  for (let i = 0; i < 3; i++) {
    hexs[i] = parseInt(hexs[i], 16);
  }
  return hexs;
}

// rgb颜色转Hex颜色
export function rgbToHex(r, g, b) {
  let hexs = [r.toString(16), g.toString(16), b.toString(16)];
  for (let i = 0; i < 3; i++) {
    if (hexs[i].length == 1) {
      hexs[i] = `0${hexs[i]}`;
    }
  }
  return `#${hexs.join('')}`;
}

// 变浅颜色值
export function getLightColor(color, level) {
  let rgb = hexToRgb(color);
  for (let i = 0; i < 3; i++) {
    rgb[i] = Math.floor((255 - rgb[i]) * level + rgb[i]);
  }
  return rgbToHex(rgb[0], rgb[1], rgb[2]);
}

// 变深颜色值
export function getDarkColor(color, level) {
  let rgb = hexToRgb(color);
  for (let i = 0; i < 3; i++) {
    rgb[i] = Math.floor(rgb[i] * (1 - level));
  }
  return rgbToHex(rgb[0], rgb[1], rgb[2]);
}