// 把候选 logo 处理成 app icon:
// - 转 PNG (白色背景填充为透明)
// - 缩放到 1024x1024 (electron-builder 推荐)
// - 顺便输出 256x256 给 renderer 用
const sharp = require('sharp')
const path = require('node:path')

const SRC = path.resolve(__dirname, '..', 'resources', 'logo-candidate_004.jpg')

async function main() {
  const out1024 = path.resolve(__dirname, '..', 'resources', 'icon.png')
  const out256  = path.resolve(__dirname, '..', 'resources', 'icon-256.png')

  // 缩放到 1024x1024, JPEG 白色背景保持 (Windows 图标习惯)
  await sharp(SRC)
    .resize(1024, 1024, { fit: 'cover', position: 'center' })
    .png({ quality: 95 })
    .toFile(out1024)

  await sharp(SRC)
    .resize(256, 256, { fit: 'cover', position: 'center' })
    .png()
    .toFile(out256)

  console.log('Generated:', out1024, out256)
}

main().catch(e => { console.error(e); process.exit(1) })