const sharp = require('sharp');
const fs = require('fs');
const path = require('path');

const svgPath = path.join(__dirname, 'app-icon.svg');
const iconsDir = path.join(__dirname, 'icons');

// 确保icons目录存在
if (!fs.existsSync(iconsDir)) {
  fs.mkdirSync(iconsDir, { recursive: true });
}

const sizes = [
  { name: '32x32.png', size: 32 },
  { name: '128x128.png', size: 128 },
  { name: '128x128@2x.png', size: 256 },
  { name: 'icon.png', size: 512 },
  { name: 'Square30x30Logo.png', size: 30 },
  { name: 'Square44x44Logo.png', size: 44 },
  { name: 'Square71x71Logo.png', size: 71 },
  { name: 'Square89x89Logo.png', size: 89 },
  { name: 'Square107x107Logo.png', size: 107 },
  { name: 'Square142x142Logo.png', size: 142 },
  { name: 'Square150x150Logo.png', size: 150 },
  { name: 'Square284x284Logo.png', size: 284 },
  { name: 'Square310x310Logo.png', size: 310 },
  { name: 'StoreLogo.png', size: 50 },
];

async function generateIcons() {
  const svgBuffer = fs.readFileSync(svgPath);

  for (const { name, size } of sizes) {
    const outputPath = path.join(iconsDir, name);
    await sharp(svgBuffer)
      .resize(size, size)
      .png()
      .toFile(outputPath);
    console.log(`Generated: ${name} (${size}x${size})`);
  }

  // 生成 ICO 文件 (Windows)
  // 为了简单起见，我们用256x256的PNG作为ICO的基础
  const icoSizes = [16, 32, 48, 64, 128, 256];
  const icoPngs = [];
  
  for (const size of icoSizes) {
    const buffer = await sharp(svgBuffer)
      .resize(size, size)
      .png()
      .toBuffer();
    icoPngs.push({ size, buffer });
  }
  
  // 生成简单的ICO (使用256x256作为主图标)
  const ico256 = await sharp(svgBuffer)
    .resize(256, 256)
    .png()
    .toFile(path.join(iconsDir, 'icon.ico.png'));
  
  // 复制一个PNG作为ICO的替代（Tauri会处理）
  await sharp(svgBuffer)
    .resize(256, 256)
    .png()
    .toFile(path.join(iconsDir, 'icon.ico'));
  
  console.log('Generated: icon.ico');

  // 复制到根目录作为app-icon.png
  await sharp(svgBuffer)
    .resize(512, 512)
    .png()
    .toFile(path.join(__dirname, 'app-icon.png'));
  console.log('Generated: app-icon.png');

  console.log('\nAll icons generated successfully!');
}

generateIcons().catch(console.error);