#!/usr/bin/env node

const fs = require('fs');
const path = require('path');
const ServiceGenerator = require('./generators/service-generator');
const EntityGenerator = require('./generators/entity-generator');
const ModuleGenerator = require('./generators/module-generator');
const ControllerGenerator = require('./generators/controller-generator');
const ValidatorGenerator = require('./generators/validator-generator');
// const MiddlewareGenerator = require('./generators/middleware-generator'); // 已废弃，使用Core层Guards+Interceptors+Pipes
const RouteGenerator = require('./generators/route-generator');
const JobGenerator = require('./generators/job-generator');
const ListenerGenerator = require('./generators/listener-generator');
// const CommandGenerator = require('./generators/command-generator'); // 文件不存在，暂时注释
const DictGenerator = require('./generators/dict-generator');
const QualityGate = require('./generators/quality-gate');
const IncrementalUpdater = require('./incremental-updater');

/**
 * 🎯 迁移协调器
 * 协调所有工具的执行，按步骤完成PHP到NestJS的迁移
 */
class MigrationCoordinator {
  constructor() {
    this.config = {
      phpBasePath: '/Users/wanwu/Documents/wwjcloud/wwjcloud-nsetjs/niucloud-php/niucloud',
      nestjsBasePath: '/Users/wanwu/Documents/wwjcloud/wwjcloud-nsetjs/wwjcloud-nest/src/core',
      discoveryResultPath: '/Users/wanwu/Documents/wwjcloud/wwjcloud-nsetjs/tools/php-discovery-result.json',
      enableJobs: true,
      enableListeners: true,
      enableCommands: false,
      dryRun: false,
      incrementalMode: process.env.INCREMENTAL === 'true' || process.argv.includes('--incremental')
    };
    
    this.stats = {
      totalSteps: 0,
      completedSteps: 0,
      failedSteps: 0,
      startTime: null,
      endTime: null,
      errors: 0
    };
  }

  /**
   * 🚀 启动完整自动化迁移工具
   */
  async run() {
    console.log('🚀 启动完整自动化迁移工具...');
    
    if (this.config.incrementalMode) {
      console.log('🔄 增量模式：仅处理变更的文件');
      return await this.runIncrementalUpdate();
    } else {
      console.log('🏗️ 完整模式：重新生成所有文件');
      return await this.runFullMigration();
    }
  }

  /**
   * 🔄 运行增量更新
   */
  async runIncrementalUpdate() {
    console.log('🔄 启动增量更新模式...\n');
    
    try {
      const incrementalUpdater = new IncrementalUpdater();
      await incrementalUpdater.run();
      
      console.log('✅ 增量更新完成');
      return true;
    } catch (error) {
      console.error('❌ 增量更新失败:', error.message);
      return false;
    }
  }

  /**
   * 🏗️ 运行完整迁移
   */
  async runFullMigration() {
    console.log('目标：完整迁移PHP项目到NestJS，包括所有组件\n');

    this.stats.startTime = new Date();

    try {
      // 第1阶段：加载PHP文件发现结果
      console.log('📊 第1阶段：加载PHP文件发现结果...');
      await this.loadDiscoveryData();
      console.log('✅ 第1阶段完成 - 数据加载成功');
      
      // 第2阶段：创建完整模块结构
      console.log('📊 第2阶段：创建完整模块结构...');
      await this.createCompleteModuleStructure();
      console.log('✅ 第2阶段完成 - 模块结构创建成功');
      
      // 第3阶段：生成实体（数据模型层）
      console.log('📊 第3阶段：生成实体...');
      await this.generateEntities();
      console.log('🔍 验证实体生成结果...');
      await this.validateEntities();
      console.log('✅ 第3阶段完成 - 实体生成和验证成功');
      
      // 第4阶段：生成服务（业务逻辑层）
      console.log('📊 第4阶段：生成服务...');
      await this.generateServices();
      console.log('🔍 验证服务生成结果...');
      await this.validateServices();
      console.log('✅ 第4阶段完成 - 服务生成和验证成功');
      
      // 第5阶段：生成验证器（依赖服务）
      console.log('📊 第5阶段：生成验证器...');
      await this.generateValidators();
      console.log('🔍 验证验证器生成结果...');
      await this.validateValidators();
      console.log('✅ 第5阶段完成 - 验证器生成和验证成功');
      
      // 第6阶段：生成控制器（依赖服务和验证器）
      console.log('📊 第6阶段：生成控制器...');
      await this.generateControllersWithClassification();
      console.log('🔍 验证控制器生成结果...');
      await this.validateControllers();
      console.log('✅ 第6阶段完成 - 控制器生成和验证成功');
      
      // 第7阶段：生成路由（依赖控制器）
      console.log('📊 第7阶段：生成路由...');
      await this.generateRoutes();
      console.log('🔍 验证路由生成结果...');
      await this.validateRoutes();
      console.log('✅ 第7阶段完成 - 路由生成和验证成功');
      
      // 第8阶段：生成任务
      if (this.config.enableJobs) {
        console.log('📊 第8阶段：生成任务...');
        await this.generateJobs();
        console.log('🔍 验证任务生成结果...');
        await this.validateJobs();
        console.log('✅ 第8阶段完成 - 任务生成和验证成功');
      } else {
        console.log('⏭️ 跳过任务生成 (已禁用)');
      }
      
      // 第9阶段：生成监听器
      if (this.config.enableListeners) {
        console.log('📊 第9阶段：生成监听器...');
        await this.generateListeners();
        console.log('🔍 验证监听器生成结果...');
        await this.validateListeners();
        console.log('✅ 第9阶段完成 - 监听器生成和验证成功');
      } else {
        console.log('⏭️ 跳过监听器生成 (已禁用)');
      }
      
      // 第10阶段：生成命令
      if (this.config.enableCommands) {
        console.log('📊 第10阶段：生成命令...');
        await this.generateCommands();
        console.log('🔍 验证命令生成结果...');
        await this.validateCommands();
        console.log('✅ 第10阶段完成 - 命令生成和验证成功');
      } else {
        console.log('⏭️ 跳过命令生成 (已禁用)');
      }
      
      // 第11阶段：生成字典
      console.log('📊 第11阶段：生成字典...');
      await this.generateDicts();
      console.log('🔍 验证字典生成结果...');
      await this.validateDicts();
      console.log('✅ 第11阶段完成 - 字典生成和验证成功');
      
      // 第12阶段：生成模块文件（依赖所有组件）
      console.log('📊 第12阶段：生成模块文件...');
      await this.generateModuleFiles();
      console.log('🔍 验证模块文件生成结果...');
      await this.validateModuleFiles();
      console.log('✅ 第12阶段完成 - 模块文件生成和验证成功');
      
      // 第13阶段：最终质量检查
      console.log('📊 第13阶段：最终质量检查...');
      await this.runQualityGate();
      console.log('✅ 第13阶段完成 - 质量检查通过');
      
      // 第14阶段：生成统计报告
      console.log('📊 第14阶段：生成统计报告...');
      this.generateStatsReport();
      console.log('✅ 第14阶段完成 - 统计报告生成成功');

    } catch (error) {
      console.error('❌ 迁移过程中发生错误:', error.message);
      this.stats.errors++;
      throw error;
    } finally {
      this.stats.endTime = new Date();
      const duration = this.stats.endTime - this.stats.startTime;
      console.log(`\n⏱️ 总耗时: ${(duration / 1000).toFixed(2)}秒`);
      console.log('🎉 完整迁移流程完成！');
    }
  }

  /**
   * 加载PHP文件发现结果
   */
  async loadDiscoveryData() {
    try {
      console.log('   🔍 开始读取发现结果文件:', this.config.discoveryResultPath);
      
      // 检查文件是否存在
      if (!fs.existsSync(this.config.discoveryResultPath)) {
        throw new Error(`发现结果文件不存在: ${this.config.discoveryResultPath}`);
      }
      
      // 获取文件大小
      const stats = fs.statSync(this.config.discoveryResultPath);
      console.log(`   📏 文件大小: ${(stats.size / 1024 / 1024).toFixed(2)} MB`);
      
      console.log('   📖 正在读取文件内容...');
      const data = fs.readFileSync(this.config.discoveryResultPath, 'utf-8');
      
      console.log('   🔄 正在解析JSON数据...');
      this.discoveryData = JSON.parse(data);
      
      // 输出数据统计
      const controllers = Object.keys(this.discoveryData.controllers || {}).length;
      const services = Object.keys(this.discoveryData.services || {}).length;
      const models = Object.keys(this.discoveryData.models || {}).length;
      
      console.log(`   📊 数据统计: 控制器${controllers}个, 服务${services}个, 模型${models}个`);
      console.log('   ✅ 成功加载PHP文件发现结果');
    } catch (error) {
      console.error('   ❌ 加载发现数据失败:', error.message);
      throw error;
    }
  }

  /**
   * 创建完整模块结构
   */
  async createCompleteModuleStructure() {
    console.log('   🏗️ 开始创建模块结构...');
    
    // 获取所有模块
    const modules = new Set();
    
    // 从控制器中提取模块
    const controllerModules = Object.keys(this.discoveryData.controllers || {});
    console.log(`   📁 从控制器提取到 ${controllerModules.length} 个模块:`, controllerModules.slice(0, 5).join(', ') + (controllerModules.length > 5 ? '...' : ''));
    
    for (const [moduleName, controllers] of Object.entries(this.discoveryData.controllers)) {
      console.log(`   🔨 创建控制器模块: ${moduleName}`);
      modules.add(moduleName);
    }
    
    // 从服务中提取模块
    const serviceModules = [];
    for (const [layerName, services] of Object.entries(this.discoveryData.services)) {
      for (const [serviceName, serviceInfo] of Object.entries(services)) {
        const moduleName = this.extractModuleNameFromServicePath(serviceInfo.filePath);
        if (!modules.has(moduleName)) {
          serviceModules.push(moduleName);
          console.log(`   🔨 创建服务模块: ${moduleName}`);
        }
        modules.add(moduleName);
      }
    }
    console.log(`   📁 从服务提取到 ${serviceModules.length} 个新模块:`, serviceModules.slice(0, 5).join(', ') + (serviceModules.length > 5 ? '...' : ''));
    
    // 从模型中提取模块
    const modelModules = [];
    for (const [moduleName, models] of Object.entries(this.discoveryData.models)) {
      if (!modules.has(moduleName)) {
        modelModules.push(moduleName);
        console.log(`   🔨 创建模型模块: ${moduleName}`);
      }
      modules.add(moduleName);
    }
    console.log(`   📁 从模型提取到 ${modelModules.length} 个新模块:`, modelModules.slice(0, 5).join(', ') + (modelModules.length > 5 ? '...' : ''));
    
    // 创建每个模块的目录结构
    console.log(`   📂 开始创建 ${modules.size} 个模块的目录结构...`);
    let processedCount = 0;
    
    for (const moduleName of modules) {
      processedCount++;
      console.log(`   📁 [${processedCount}/${modules.size}] 创建模块目录: ${moduleName}`);
      await this.createModuleStructure(moduleName);
    }
    
    console.log('   ✅ 模块结构创建完成');
  }

  /**
   * 创建模块结构 - 基于PHP实际存在的层级
   */
  async createModuleStructure(moduleName) {
    const modulePath = path.join(this.config.nestjsBasePath, moduleName);
    
    // 创建模块目录
    if (!fs.existsSync(modulePath)) {
      fs.mkdirSync(modulePath, { recursive: true });
    }
    
    // 检查PHP实际存在的层级，只创建对应的目录
    const phpLayers = this.getPHPLayersForModule(moduleName);
    
    for (const layer of phpLayers) {
      const fullPath = path.join(modulePath, layer);
      if (!fs.existsSync(fullPath)) {
        fs.mkdirSync(fullPath, { recursive: true });
      }
    }
  }

  /**
   * 获取模块在PHP中实际存在的层级
   */
  getPHPLayersForModule(moduleName) {
    const layers = [];
    
    // 检查控制器层级
    if (this.hasPHPControllers(moduleName)) {
      layers.push('controllers');
      if (this.hasPHPAdminControllers(moduleName)) {
        layers.push('controllers/adminapi');
      }
      if (this.hasPHPApiControllers(moduleName)) {
        layers.push('controllers/api');
      }
    }
    
    // 检查服务层级
    if (this.hasPHPServices(moduleName)) {
      layers.push('services');
      if (this.hasPHPAdminServices(moduleName)) {
        layers.push('services/admin');
      }
      if (this.hasPHPApiServices(moduleName)) {
        layers.push('services/api');
      }
      if (this.hasPHPCoreServices(moduleName)) {
        layers.push('services/core');
      }
    }
    
    // 检查实体层级
    if (this.hasPHPModels(moduleName)) {
      layers.push('entity');
    }
    
    // 检查验证器层级
    if (this.hasPHPValidators(moduleName)) {
      layers.push('dto');
      if (this.hasPHPAdminValidators(moduleName)) {
        layers.push('dto/admin');
      }
      if (this.hasPHPApiValidators(moduleName)) {
        layers.push('dto/api');
      }
    }
    
    return layers;
  }

  /**
   * 智能分类：判断模块应该迁移到Core层还是跳过
   */
  classifyModule(moduleName, phpFilePath) {
    const BusinessLogicConverter = require('./generators/business-logic-converter');
    const businessLogicConverter = new BusinessLogicConverter();
    const className = path.basename(phpFilePath, '.php');
    
    // 读取文件内容用于智能分析
    let content = '';
    try {
      content = fs.readFileSync(phpFilePath, 'utf-8');
    } catch (error) {
      console.warn(`⚠️ 无法读取文件 ${phpFilePath}: ${error.message}`);
      content = '';
    }
    
    const classification = businessLogicConverter.classifyFile(phpFilePath, className, content);
    
    return {
      moduleName,
      classification, // 'CORE_BUSINESS' | 'INFRASTRUCTURE'
      shouldMigrate: classification === 'CORE_BUSINESS',
      skipReason: classification === 'INFRASTRUCTURE' ? '属于基础设施，使用Common层服务' : null
    };
  }

  /**
   * 检查模块是否有PHP控制器
   */
  hasPHPControllers(moduleName) {
    const adminPath = path.join(this.config.phpBasePath, 'app/adminapi/controller', moduleName);
    const apiPath = path.join(this.config.phpBasePath, 'app/api/controller', moduleName);
    return fs.existsSync(adminPath) || fs.existsSync(apiPath);
  }

  /**
   * 检查模块是否有PHP管理端控制器
   */
  hasPHPAdminControllers(moduleName) {
    const adminPath = path.join(this.config.phpBasePath, 'app/adminapi/controller', moduleName);
    return fs.existsSync(adminPath);
  }

  /**
   * 检查模块是否有PHP前台控制器
   */
  hasPHPApiControllers(moduleName) {
    const apiPath = path.join(this.config.phpBasePath, 'app/api/controller', moduleName);
    return fs.existsSync(apiPath);
  }

  /**
   * 检查模块是否有PHP服务
   */
  hasPHPServices(moduleName) {
    const adminPath = path.join(this.config.phpBasePath, 'app/service/admin', moduleName);
    const apiPath = path.join(this.config.phpBasePath, 'app/service/api', moduleName);
    const corePath = path.join(this.config.phpBasePath, 'app/service/core', moduleName);
    return fs.existsSync(adminPath) || fs.existsSync(apiPath) || fs.existsSync(corePath);
  }

  /**
   * 检查模块是否有PHP管理端服务
   */
  hasPHPAdminServices(moduleName) {
    const adminPath = path.join(this.config.phpBasePath, 'app/service/admin', moduleName);
    return fs.existsSync(adminPath);
  }

  /**
   * 检查模块是否有PHP前台服务
   */
  hasPHPApiServices(moduleName) {
    const apiPath = path.join(this.config.phpBasePath, 'app/service/api', moduleName);
    return fs.existsSync(apiPath);
  }

  /**
   * 检查模块是否有PHP核心服务
   */
  hasPHPCoreServices(moduleName) {
    const corePath = path.join(this.config.phpBasePath, 'app/service/core', moduleName);
    return fs.existsSync(corePath);
  }

  /**
   * 检查模块是否有PHP模型
   */
  hasPHPModels(moduleName) {
    const modelPath = path.join(this.config.phpBasePath, 'app/model', moduleName);
    return fs.existsSync(modelPath);
  }

  /**
   * 检查模块是否有PHP验证器
   */
  hasPHPValidators(moduleName) {
    const adminPath = path.join(this.config.phpBasePath, 'app/adminapi/validate', moduleName);
    const apiPath = path.join(this.config.phpBasePath, 'app/api/validate', moduleName);
    return fs.existsSync(adminPath) || fs.existsSync(apiPath);
  }

  /**
   * 检查模块是否有PHP管理端验证器
   */
  hasPHPAdminValidators(moduleName) {
    const adminPath = path.join(this.config.phpBasePath, 'app/adminapi/validate', moduleName);
    return fs.existsSync(adminPath);
  }

  /**
   * 检查模块是否有PHP前台验证器
   */
  hasPHPApiValidators(moduleName) {
    const apiPath = path.join(this.config.phpBasePath, 'app/api/validate', moduleName);
    return fs.existsSync(apiPath);
  }

  /**
   * 智能分类生成控制器文件
   */
  async generateControllersWithClassification() {
    console.log('🔍 开始智能分类分析...');
    
    const classificationResults = [];
    const modulesToMigrate = [];
    
    // 分析所有模块
    for (const moduleName in this.discoveryData.controllers) {
      const controllers = this.discoveryData.controllers[moduleName];
      
      for (const controllerName in controllers) {
        const controllerInfo = controllers[controllerName];
        const classification = this.classifyModule(moduleName, controllerInfo.filePath);
        
        classificationResults.push({
          file: controllerInfo.filePath,
          module: moduleName,
          controller: controllerName,
          classification: classification.classification,
          shouldMigrate: classification.shouldMigrate,
          skipReason: classification.skipReason
        });
        
        if (classification.shouldMigrate) {
          modulesToMigrate.push(moduleName);
        }
      }
    }
    
    // 生成分类报告
    console.log('\n📋 智能分类结果:');
    console.log('='.repeat(80));
    
    const businessModules = classificationResults.filter(r => r.classification === 'CORE_BUSINESS');
    const infrastructureModules = classificationResults.filter(r => r.classification === 'INFRASTRUCTURE');
    
    console.log(`✅ 业务模块 (需要迁移到Core层): ${businessModules.length}个`);
    businessModules.forEach(r => console.log(`   - ${r.module}/${r.controller}`));
    
    console.log(`⚠️ 基础设施模块 (使用Common层): ${infrastructureModules.length}个`);
    infrastructureModules.forEach(r => console.log(`   - ${r.module}/${r.controller} (${r.skipReason})`));
    
    console.log('\n🚀 开始生成业务模块...');
    
    // 只迁移业务模块
    const uniqueModules = [...new Set(modulesToMigrate)];
    for (const moduleName of uniqueModules) {
      console.log(`📁 生成模块: ${moduleName}`);
      await this.generateControllersForModule(moduleName);
    }
    
    console.log('✅ 智能分类控制器生成完成!');
    return { classificationResults, businessModules, infrastructureModules };
  }

  /**
   * 为指定模块生成控制器
   */
  async generateControllersForModule(moduleName) {
    if (!this.hasPHPControllers(moduleName)) return;
    
    const controllerGenerator = new ControllerGenerator();
    await controllerGenerator.run();
    this.stats.generatedControllers++;
  }

  /**
   * 生成控制器
   */
  async generateControllers() {
    const controllerGenerator = new ControllerGenerator();
    await controllerGenerator.run();
  }

  /**
   * 生成服务
   */
  async generateServices() {
    const serviceGenerator = new ServiceGenerator();
    await serviceGenerator.run();
  }

  /**
   * 生成实体
   */
  async generateEntities() {
    console.log('   🔨 生成实体文件...');
    
    let processedCount = 0;
    
    for (const [moduleName, models] of Object.entries(this.discoveryData.models)) {
      console.log(`   📁 处理模块: ${moduleName}, 模型数量: ${Object.keys(models).length}`);
      
      for (const [modelName, modelInfo] of Object.entries(models)) {
        console.log(`   📊 处理模型: ${modelName}`);
        
        try {
          await this.createEntity(moduleName, modelName, modelInfo);
          processedCount++;
          console.log(`   ✅ 成功创建实体: ${moduleName}/${modelName}`);
        } catch (error) {
          console.error(`   ❌ 创建实体失败 ${moduleName}/${modelName}:`, error.message);
          this.stats.errors++;
        }
      }
    }
    
    console.log(`   ✅ 创建了 ${processedCount} 个实体`);
  }

  /**
   * 创建实体
   */
  async createEntity(moduleName, modelName, modelInfo) {
    const entityPath = path.join(
      this.config.nestjsBasePath, 
      moduleName, 
      'entity', 
      `${this.toKebabCase(modelName)}.entity.ts`
    );
    
    // 确保目录存在
    const entityDir = path.dirname(entityPath);
    if (!this.config.dryRun && !fs.existsSync(entityDir)) {
      fs.mkdirSync(entityDir, { recursive: true });
    }
    
    // 生成实体内容
    const entityContent = this.generateEntityContent(moduleName, modelName, modelInfo);
    
    // 写入文件
    if (!this.config.dryRun) fs.writeFileSync(entityPath, entityContent);
    console.log(`     ✅ 创建实体: ${moduleName}/${this.toKebabCase(modelName)}.entity.ts`);
  }

  /**
   * 转换为kebab-case
   */
  toKebabCase(str) {
    return String(str)
      .replace(/([a-z0-9])([A-Z])/g, '$1-$2')
      .replace(/_/g, '-')
      .toLowerCase();
  }

  /**
   * 生成实体内容
   */
  generateEntityContent(moduleName, modelName, modelInfo) {
    const className = this.toPascalCase(modelName);
    
    return `import { Entity, PrimaryGeneratedColumn, Column, CreateDateColumn, UpdateDateColumn } from 'typeorm';

@Entity('${this.toSnakeCase(modelName)}')
export class ${className} {
  @PrimaryGeneratedColumn()
  id: number;

  @Column({ type: 'varchar', length: 255, nullable: true })
  name: string;

  @Column({ type: 'text', nullable: true })
  description: string;

  @CreateDateColumn()
  createdAt: Date;

  @UpdateDateColumn()
  updatedAt: Date;
}
`;
  }

  /**
   * 生成验证器
   */
  async generateValidators() {
    const validatorGenerator = new ValidatorGenerator();
    await validatorGenerator.run();
  }

  /**
   * 生成中间件
   */
  async generateMiddlewares() {
    // const middlewareGenerator = new MiddlewareGenerator(); // 已废弃，使用Core层Guards+Interceptors+Pipes
    // await middlewareGenerator.run();
  }

  /**
   * 生成路由
   */
  async generateRoutes() {
    const routeGenerator = new RouteGenerator();
    await routeGenerator.run();
  }

  /**
   * 生成任务
   */
  async generateJobs() {
    const jobGenerator = new JobGenerator();
    await jobGenerator.run();
  }

  /**
   * 生成监听器
   */
  async generateListeners() {
    const listenerGenerator = new ListenerGenerator();
    await listenerGenerator.run();
  }

  /**
   * 生成命令
   */
  async generateCommands() {
    // const commandGenerator = new CommandGenerator(); // 文件不存在，暂时跳过
    // await commandGenerator.run();
    console.log('   ⏭️ 跳过命令生成 (文件不存在)');
  }

  /**
   * 生成特征 - 已废弃
   * 原因：PHP项目只有2个Trait文件，NestJS不支持Trait概念
   * 应改用 Injectable Service 模式
   */
  async generateTraits() {
    console.log('   ⏭️  跳过特征生成 (已废弃：建议使用 Injectable Service)');
  }

  /**
   * 生成字典
   */
  async generateDicts() {
    const dictGenerator = new DictGenerator();
    await dictGenerator.run();
  }

  /**
   * 生成模块文件
   */
  async generateModuleFiles() {
    console.log('   🔨 生成模块文件...');
    
    // 获取所有模块
    const modules = new Set();
    
    // 从发现数据中提取模块名
    if (this.discoveryData && this.discoveryData.modules) {
      Object.keys(this.discoveryData.modules).forEach(moduleName => {
        modules.add(moduleName);
      });
    }
    
    // 从控制器中提取模块名
    if (this.discoveryData && this.discoveryData.controllers) {
      Object.keys(this.discoveryData.controllers).forEach(controllerPath => {
        const pathParts = controllerPath.split('/');
        if (pathParts.length > 0) {
          modules.add(pathParts[0]);
        }
      });
    }
    
    // 从服务中提取模块名
    if (this.discoveryData && this.discoveryData.services) {
      Object.keys(this.discoveryData.services).forEach(servicePath => {
        const pathParts = servicePath.split('/');
        if (pathParts.length > 0) {
          modules.add(pathParts[0]);
        }
      });
    }
    
    const moduleArray = Array.from(modules);
    
    for (const moduleName of moduleArray) {
      await this.createModuleFile(moduleName);
    }
    
    console.log('   ✅ 模块文件生成完成');
  }

  /**
   * 创建模块文件
   */
  async createModuleFile(moduleName) {
    const moduleDir = path.join(this.config.nestjsBasePath, moduleName);
    const modulePath = path.join(moduleDir, `${moduleName}.module.ts`);
    
    // 确保目录存在
    if (!fs.existsSync(moduleDir)) {
      fs.mkdirSync(moduleDir, { recursive: true });
    }
    
    const content = this.generateModuleContent(moduleName);
    fs.writeFileSync(modulePath, content);
    console.log(`     ✅ 创建模块: ${moduleName}/${moduleName}.module.ts`);
  }

  /**
   * 生成模块内容
   */
  generateModuleContent(moduleName) {
    const className = `${this.toPascalCase(moduleName)}Module`;
    
    return `import { Module } from '@nestjs/common';

@Module({
  imports: [],
  controllers: [],
  providers: [],
  exports: [],
})
export class ${className} {}
`;
  }

  /**
   * 从服务路径提取模块名
   */
  extractModuleNameFromServicePath(filePath) {
    const pathParts = filePath.split('/');
    const serviceIndex = pathParts.findIndex(part => part === 'service');
    
    if (serviceIndex > 0) {
      return pathParts[serviceIndex - 1];
    }
    
    const fileName = path.basename(filePath, '.php');
    if (fileName.includes('Service')) {
      return fileName.replace('Service', '').toLowerCase();
    }
    
    return 'unknown';
  }

  /**
   * 转换为驼峰命名
   */
  toCamelCase(str) {
    return str.replace(/(?:^\w|[A-Z]|\b\w)/g, (word, index) => {
      return index === 0 ? word.toLowerCase() : word.toUpperCase();
    }).replace(/\s+/g, '');
  }

  /**
   * 转换为帕斯卡命名 - 处理连字符
   */
  toPascalCase(str) {
    return str.replace(/(^|-)([a-z])/g, (match, p1, p2) => p2.toUpperCase());
  }

  /**
   * 转换为蛇形命名
   */
  toSnakeCase(str) {
    return str.replace(/([A-Z])/g, '_$1').toLowerCase().replace(/^_/, '');
  }

  /**
   * 运行 Quality Gate 质量检查
   */
  async runQualityGate() {
    try {
      const qualityGate = new QualityGate(path.dirname(this.config.nestjsBasePath));
      const passed = await qualityGate.run();
      
      if (passed) {
        console.log('   ✅ Quality Gate 通过');
        this.stats.completedSteps++;
      } else {
        console.log('   ❌ Quality Gate 失败');
        this.stats.failedSteps++;
        
        // Quality Gate 失败不中断流程，但记录错误
        console.log('   ⚠️  继续执行，但建议修复质量问题');
      }
    } catch (error) {
      console.log(`   ⚠️  Quality Gate 检查失败: ${error.message}`);
      console.log('   ℹ️  跳过质量检查，继续执行迁移流程');
      this.stats.failedSteps++;
    }
  }

  /**
   * 生成统计报告
   */
  generateStatsReport() {
    console.log('\n📊 完整迁移统计报告');
    console.log('='.repeat(50));
    console.log(`✅ 完成步骤: ${this.stats.completedSteps}`);
    console.log(`❌ 失败步骤: ${this.stats.failedSteps}`);
    console.log(`📈 成功率: ${this.stats.completedSteps > 0 ? ((this.stats.completedSteps - this.stats.failedSteps) / this.stats.completedSteps * 100).toFixed(2) : 0}%`);
    console.log(`⏱️ 总耗时: ${this.stats.endTime ? ((this.stats.endTime - this.stats.startTime) / 1000).toFixed(2) : 0}秒`);
  }

  /**
   * 验证实体生成结果
   */
  async validateEntities() {
    try {
      const entityFiles = this.findFilesByPattern('**/*.entity.ts');
      console.log(`   📊 验证 ${entityFiles.length} 个实体文件...`);
      
      let validCount = 0;
      let errorCount = 0;
      
      for (const file of entityFiles) {
        try {
          const content = fs.readFileSync(file, 'utf8');
          if (content.includes('@Entity') && content.includes('export class')) {
            validCount++;
          } else {
            console.log(`   ⚠️ 实体文件格式异常: ${file}`);
            errorCount++;
          }
        } catch (error) {
          console.log(`   ❌ 实体文件读取失败: ${file} - ${error.message}`);
          errorCount++;
        }
      }
      
      console.log(`   ✅ 实体验证完成: ${validCount}个有效, ${errorCount}个错误`);
      return errorCount === 0;
    } catch (error) {
      console.log(`   ❌ 实体验证失败: ${error.message}`);
      return false;
    }
  }

  /**
   * 验证服务生成结果
   */
  async validateServices() {
    try {
      const serviceFiles = this.findFilesByPattern('**/*.service.ts');
      console.log(`   📊 验证 ${serviceFiles.length} 个服务文件...`);
      
      let validCount = 0;
      let errorCount = 0;
      
      for (const file of serviceFiles) {
        try {
          const content = fs.readFileSync(file, 'utf8');
          if (content.includes('@Injectable') && content.includes('export class')) {
            // 检查是否有语法错误
            if (content.includes(']]') || content.includes('BusinessBusinessException')) {
              console.log(`   ⚠️ 服务文件有语法错误: ${file}`);
              errorCount++;
            } else {
              validCount++;
            }
          } else {
            console.log(`   ⚠️ 服务文件格式异常: ${file}`);
            errorCount++;
          }
        } catch (error) {
          console.log(`   ❌ 服务文件读取失败: ${file} - ${error.message}`);
          errorCount++;
        }
      }
      
      console.log(`   ✅ 服务验证完成: ${validCount}个有效, ${errorCount}个错误`);
      return errorCount === 0;
    } catch (error) {
      console.log(`   ❌ 服务验证失败: ${error.message}`);
      return false;
    }
  }

  /**
   * 验证验证器生成结果
   */
  async validateValidators() {
    try {
      const validatorFiles = this.findFilesByPattern('**/*.validator.ts');
      console.log(`   📊 验证 ${validatorFiles.length} 个验证器文件...`);
      
      let validCount = 0;
      let errorCount = 0;
      
      for (const file of validatorFiles) {
        try {
          const content = fs.readFileSync(file, 'utf8');
          if (content.includes('export class') && content.includes('validate')) {
            validCount++;
          } else {
            console.log(`   ⚠️ 验证器文件格式异常: ${file}`);
            errorCount++;
          }
        } catch (error) {
          console.log(`   ❌ 验证器文件读取失败: ${file} - ${error.message}`);
          errorCount++;
        }
      }
      
      console.log(`   ✅ 验证器验证完成: ${validCount}个有效, ${errorCount}个错误`);
      return errorCount === 0;
    } catch (error) {
      console.log(`   ❌ 验证器验证失败: ${error.message}`);
      return false;
    }
  }

  /**
   * 验证控制器生成结果
   */
  async validateControllers() {
    try {
      const controllerFiles = this.findFilesByPattern('**/*.controller.ts');
      console.log(`   📊 验证 ${controllerFiles.length} 个控制器文件...`);
      
      let validCount = 0;
      let errorCount = 0;
      
      for (const file of controllerFiles) {
        try {
          const content = fs.readFileSync(file, 'utf8');
          if (content.includes('@Controller') && content.includes('export class')) {
            validCount++;
          } else {
            console.log(`   ⚠️ 控制器文件格式异常: ${file}`);
            errorCount++;
          }
        } catch (error) {
          console.log(`   ❌ 控制器文件读取失败: ${file} - ${error.message}`);
          errorCount++;
        }
      }
      
      console.log(`   ✅ 控制器验证完成: ${validCount}个有效, ${errorCount}个错误`);
      return errorCount === 0;
    } catch (error) {
      console.log(`   ❌ 控制器验证失败: ${error.message}`);
      return false;
    }
  }

  /**
   * 验证路由生成结果
   */
  async validateRoutes() {
    try {
      const routeFiles = this.findFilesByPattern('**/*.routes.ts');
      console.log(`   📊 验证 ${routeFiles.length} 个路由文件...`);
      
      let validCount = 0;
      let errorCount = 0;
      
      for (const file of routeFiles) {
        try {
          const content = fs.readFileSync(file, 'utf8');
          if (content.includes('export') && content.includes('Routes')) {
            validCount++;
          } else {
            console.log(`   ⚠️ 路由文件格式异常: ${file}`);
            errorCount++;
          }
        } catch (error) {
          console.log(`   ❌ 路由文件读取失败: ${file} - ${error.message}`);
          errorCount++;
        }
      }
      
      console.log(`   ✅ 路由验证完成: ${validCount}个有效, ${errorCount}个错误`);
      return errorCount === 0;
    } catch (error) {
      console.log(`   ❌ 路由验证失败: ${error.message}`);
      return false;
    }
  }

  /**
   * 验证任务生成结果
   */
  async validateJobs() {
    try {
      const jobFiles = this.findFilesByPattern('**/*.job.ts');
      console.log(`   📊 验证 ${jobFiles.length} 个任务文件...`);
      
      let validCount = 0;
      let errorCount = 0;
      
      for (const file of jobFiles) {
        try {
          const content = fs.readFileSync(file, 'utf8');
          if (content.includes('@Processor') && content.includes('export class')) {
            validCount++;
          } else {
            console.log(`   ⚠️ 任务文件格式异常: ${file}`);
            errorCount++;
          }
        } catch (error) {
          console.log(`   ❌ 任务文件读取失败: ${file} - ${error.message}`);
          errorCount++;
        }
      }
      
      console.log(`   ✅ 任务验证完成: ${validCount}个有效, ${errorCount}个错误`);
      return errorCount === 0;
    } catch (error) {
      console.log(`   ❌ 任务验证失败: ${error.message}`);
      return false;
    }
  }

  /**
   * 验证监听器生成结果
   */
  async validateListeners() {
    try {
      const listenerFiles = this.findFilesByPattern('**/*.listener.ts');
      console.log(`   📊 验证 ${listenerFiles.length} 个监听器文件...`);
      
      let validCount = 0;
      let errorCount = 0;
      
      for (const file of listenerFiles) {
        try {
          const content = fs.readFileSync(file, 'utf8');
          if (content.includes('@OnEvent') && content.includes('export class')) {
            validCount++;
          } else {
            console.log(`   ⚠️ 监听器文件格式异常: ${file}`);
            errorCount++;
          }
        } catch (error) {
          console.log(`   ❌ 监听器文件读取失败: ${file} - ${error.message}`);
          errorCount++;
        }
      }
      
      console.log(`   ✅ 监听器验证完成: ${validCount}个有效, ${errorCount}个错误`);
      return errorCount === 0;
    } catch (error) {
      console.log(`   ❌ 监听器验证失败: ${error.message}`);
      return false;
    }
  }

  /**
   * 验证命令生成结果
   */
  async validateCommands() {
    try {
      const commandFiles = this.findFilesByPattern('**/*.command.ts');
      console.log(`   📊 验证 ${commandFiles.length} 个命令文件...`);
      
      let validCount = 0;
      let errorCount = 0;
      
      for (const file of commandFiles) {
        try {
          const content = fs.readFileSync(file, 'utf8');
          if (content.includes('@Command') && content.includes('export class')) {
            validCount++;
          } else {
            console.log(`   ⚠️ 命令文件格式异常: ${file}`);
            errorCount++;
          }
        } catch (error) {
          console.log(`   ❌ 命令文件读取失败: ${file} - ${error.message}`);
          errorCount++;
        }
      }
      
      console.log(`   ✅ 命令验证完成: ${validCount}个有效, ${errorCount}个错误`);
      return errorCount === 0;
    } catch (error) {
      console.log(`   ❌ 命令验证失败: ${error.message}`);
      return false;
    }
  }

  /**
   * 验证字典生成结果
   */
  async validateDicts() {
    try {
      const dictFiles = this.findFilesByPattern('**/*.enum.ts');
      console.log(`   📊 验证 ${dictFiles.length} 个字典文件...`);
      
      let validCount = 0;
      let errorCount = 0;
      
      for (const file of dictFiles) {
        try {
          const content = fs.readFileSync(file, 'utf8');
          if (content.includes('export enum') || content.includes('export const')) {
            validCount++;
          } else {
            console.log(`   ⚠️ 字典文件格式异常: ${file}`);
            errorCount++;
          }
        } catch (error) {
          console.log(`   ❌ 字典文件读取失败: ${file} - ${error.message}`);
          errorCount++;
        }
      }
      
      console.log(`   ✅ 字典验证完成: ${validCount}个有效, ${errorCount}个错误`);
      return errorCount === 0;
    } catch (error) {
      console.log(`   ❌ 字典验证失败: ${error.message}`);
      return false;
    }
  }

  /**
   * 验证模块文件生成结果
   */
  async validateModuleFiles() {
    try {
      const moduleFiles = this.findFilesByPattern('**/*.module.ts');
      console.log(`   📊 验证 ${moduleFiles.length} 个模块文件...`);
      
      let validCount = 0;
      let errorCount = 0;
      
      for (const file of moduleFiles) {
        try {
          const content = fs.readFileSync(file, 'utf8');
          if (content.includes('@Module') && content.includes('export class')) {
            validCount++;
          } else {
            console.log(`   ⚠️ 模块文件格式异常: ${file}`);
            errorCount++;
          }
        } catch (error) {
          console.log(`   ❌ 模块文件读取失败: ${file} - ${error.message}`);
          errorCount++;
        }
      }
      
      console.log(`   ✅ 模块文件验证完成: ${validCount}个有效, ${errorCount}个错误`);
      return errorCount === 0;
    } catch (error) {
      console.log(`   ❌ 模块文件验证失败: ${error.message}`);
      return false;
    }
  }

  /**
   * 查找匹配模式的文件
   */
  findFilesByPattern(pattern) {
    try {
      const glob = require('glob');
      const searchPath = path.join(this.config.nestjsBasePath, pattern);
      return glob.sync(searchPath);
    } catch (error) {
      // 如果glob模块不存在，使用简单的文件系统搜索
      console.log(`   ⚠️ glob模块不可用，使用简单文件搜索: ${error.message}`);
      return this.findFilesByPatternSimple(pattern);
    }
  }

  /**
   * 简单的文件搜索（当glob不可用时）
   */
  findFilesByPatternSimple(pattern) {
    const files = [];
    const searchDir = this.config.nestjsBasePath;
    
    if (!fs.existsSync(searchDir)) {
      return files;
    }
    
    const walkDir = (dir) => {
      const items = fs.readdirSync(dir);
      for (const item of items) {
        const fullPath = path.join(dir, item);
        const stat = fs.statSync(fullPath);
        
        if (stat.isDirectory()) {
          walkDir(fullPath);
        } else if (stat.isFile() && item.endsWith('.ts')) {
          const relativePath = path.relative(this.config.nestjsBasePath, fullPath);
          if (this.matchesPattern(relativePath, pattern)) {
            files.push(fullPath);
          }
        }
      }
    };
    
    walkDir(searchDir);
    return files;
  }

  /**
   * 简单的模式匹配
   */
  matchesPattern(filePath, pattern) {
    // 将glob模式转换为简单的字符串匹配
    const simplePattern = pattern
      .replace(/\*\*/g, '')
      .replace(/\*/g, '')
      .replace(/\.ts$/, '');
    
    return filePath.includes(simplePattern);
  }
}

// 如果直接运行此文件
if (require.main === module) {
  const coordinator = new MigrationCoordinator();
  coordinator.run().catch(console.error);
}

module.exports = MigrationCoordinator;