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

// 递归查找所有 .js 文件
function findJsFiles(dir) {
  let results = [];
  const list = fs.readdirSync(dir);
  
  list.forEach(file => {
    const filePath = path.join(dir, file);
    const stat = fs.statSync(filePath);
    
    if (stat && stat.isDirectory()) {
      results = results.concat(findJsFiles(filePath));
    } else if (file.endsWith('.js')) {
      results.push(filePath);
    }
  });
  
  return results;
}

// 更新 controller 中的 ID 字段使用
function updateControllerIds(filePath) {
  try {
    let content = fs.readFileSync(filePath, 'utf8');
    const originalContent = content;
    
    // 定义字段映射关系
    const fieldMappings = {
      'applyId': 'id',
      'taskId': 'id', 
      'chatId': 'id',
      'resumeId': 'id',
      'deviceId': 'id'
    };
    
    // 替换字段名
    Object.keys(fieldMappings).forEach(oldField => {
      const newField = fieldMappings[oldField];
      
      // 替换变量声明和赋值
      content = content.replace(new RegExp(`const ${oldField} =`, 'g'), `const ${newField} =`);
      content = content.replace(new RegExp(`let ${oldField} =`, 'g'), `let ${newField} =`);
      content = content.replace(new RegExp(`var ${oldField} =`, 'g'), `var ${newField} =`);
      
      // 替换对象属性
      content = content.replace(new RegExp(`${oldField}:`, 'g'), `${newField}:`);
      
      // 替换解构赋值
      content = content.replace(new RegExp(`\\{ ${oldField} \\}`, 'g'), `{ ${newField} }`);
      content = content.replace(new RegExp(`\\{${oldField}\\}`, 'g'), `{${newField}}`);
      
      // 替换 where 条件中的字段名
      content = content.replace(new RegExp(`where: \\{ ${oldField}:`, 'g'), `where: { ${newField}:`);
      content = content.replace(new RegExp(`where: \\{${oldField}:`, 'g'), `where: {${newField}:`);
      
      // 替换注释中的字段名
      content = content.replace(new RegExp(`- ${oldField}`, 'g'), `- ${newField}`);
      content = content.replace(new RegExp(`${oldField}:`, 'g'), `${newField}:`);
    });
    
    // 清理多余的空行
    content = content.replace(/\n\s*\n\s*\n/g, '\n\n');
    
    if (content !== originalContent) {
      fs.writeFileSync(filePath, content, 'utf8');
      console.log(`已更新: ${filePath}`);
      return true;
    }
    
    return false;
  } catch (error) {
    console.error(`处理文件失败 ${filePath}:`, error.message);
    return false;
  }
}

// 主函数
function main() {
  const controllerDir = path.join(__dirname, 'api', 'controller_front');
  
  if (!fs.existsSync(controllerDir)) {
    console.error('Controller 目录不存在:', controllerDir);
    return;
  }
  
  const jsFiles = findJsFiles(controllerDir);
  let updatedCount = 0;
  
  console.log(`找到 ${jsFiles.length} 个 controller 文件`);
  
  jsFiles.forEach(filePath => {
    if (updateControllerIds(filePath)) {
      updatedCount++;
    }
  });
  
  console.log(`更新完成，共更新 ${updatedCount} 个文件`);
}

main();