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

// 简单的 1x1 像素 PNG（白色）
const whitePixel = Buffer.from([
  0x89, 0x50, 0x4E, 0x47, 0x0D, 0x0A, 0x1A, 0x0A,
  0x00, 0x00, 0x00, 0x0D, 0x49, 0x48, 0x44, 0x52,
  0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x01,
  0x08, 0x06, 0x00, 0x00, 0x00, 0x1F, 0x15, 0xC4,
  0x89, 0x00, 0x00, 0x00, 0x0A, 0x49, 0x44, 0x41,
  0x54, 0x78, 0x9C, 0x63, 0x00, 0x01, 0x00, 0x00,
  0x05, 0x00, 0x01, 0x0D, 0x0A, 0x2D, 0xB4, 0x00,
  0x00, 0x00, 0x00, 0x49, 0x45, 0x4E, 0x44, 0xAE,
  0x42, 0x60, 0x82
]);

// 创建目录
const dir = path.join(__dirname, '..', 'assets', 'tabbar');
if (!fs.existsSync(dir)) {
  fs.mkdirSync(dir, { recursive: true });
}

// 创建占位图标文件
const icons = [
  'home.png',
  'home-active.png',
  'message.png',
  'message-active.png',
  'toolbox.png',
  'toolbox-active.png',
  'user.png',
  'user-active.png'
];

icons.forEach(icon => {
  const filePath = path.join(dir, icon);
  fs.writeFileSync(filePath, whitePixel);
  console.log(`Created: ${icon}`);
});

console.log('\n占位图标创建完成！请替换为实际图标文件。');
console.log('图标尺寸建议：81x81 像素（微信小程序推荐）');