import fs from 'fs';
import path from 'path';

/**
 * 复制tree-kill依赖到dist目录
 * 确保uTools插件运行时能够正确找到tree-kill模块
 */
function copyTreeKillDeps() {
  const distDir = path.join(process.cwd(), 'dist');
  const nodeModulesDir = path.join(process.cwd(), 'node_modules');
  
  // 确保dist目录存在
  if (!fs.existsSync(distDir)) {
    console.error('dist目录不存在，请先运行构建命令');
    return;
  }

  // 复制tree-kill依赖
  const treeKillSource = path.join(nodeModulesDir, 'tree-kill');
  const treeKillDest = path.join(distDir, 'node_modules', 'tree-kill');

  if (fs.existsSync(treeKillSource)) {
    // 创建目标目录
    const destDir = path.dirname(treeKillDest);
    if (!fs.existsSync(destDir)) {
      fs.mkdirSync(destDir, { recursive: true });
    }

    // 复制tree-kill目录
    copyDirectory(treeKillSource, treeKillDest);
    console.log('✅ tree-kill依赖已复制到dist目录');
  } else {
    console.error('❌ tree-kill依赖不存在，请先安装依赖');
  }
}

/**
 * 递归复制目录
 * @param {string} source 源目录路径
 * @param {string} destination 目标目录路径
 */
function copyDirectory(source, destination) {
  // 创建目标目录
  if (!fs.existsSync(destination)) {
    fs.mkdirSync(destination, { recursive: true });
  }

  // 读取源目录内容
  const items = fs.readdirSync(source);

  items.forEach(item => {
    const sourcePath = path.join(source, item);
    const destPath = path.join(destination, item);
    const stat = fs.statSync(sourcePath);

    if (stat.isDirectory()) {
      // 递归复制子目录
      copyDirectory(sourcePath, destPath);
    } else {
      // 复制文件
      fs.copyFileSync(sourcePath, destPath);
    }
  });
}

// 执行复制操作
copyTreeKillDeps();