// 项目入口文件
import config from './config/config.js';
import { KafkaConsumer } from './kafka/consumer.js';
import { HeartbeatProcessor } from './processor/heartbeatProcessor.js';
import { DatabaseManager } from './db/databaseManager.js';

class WebBLSHeartbeatServer {
  constructor() {
    this.config = config;
    this.kafkaConsumer = null;
    this.heartbeatProcessor = null;
    this.databaseManager = null;
  }

  async start() {
    try {
      // 初始化数据库连接
      this.databaseManager = new DatabaseManager(this.config.db);
      await this.databaseManager.connect();
      console.log('数据库连接成功');

      // 初始化处理器
      this.heartbeatProcessor = new HeartbeatProcessor(
        this.config.processor,
        this.databaseManager
      );

      // 初始化Kafka消费者
      this.kafkaConsumer = new KafkaConsumer(
        this.config.kafka,
        this.heartbeatProcessor.processMessage.bind(this.heartbeatProcessor)
      );
      await this.kafkaConsumer.connect();
      await this.kafkaConsumer.subscribe();
      await this.kafkaConsumer.startConsuming();
      console.log('Kafka消费者启动成功');

      console.log('BLS心跳接收端启动成功');
    } catch (error) {
      console.error('启动失败:', error);
      process.exit(1);
    }
  }

  async stop() {
    try {
      if (this.kafkaConsumer) {
        await this.kafkaConsumer.stopConsuming();
        await this.kafkaConsumer.disconnect();
      }
      
      if (this.databaseManager) {
        await this.databaseManager.disconnect();
      }
      
      console.log('BLS心跳接收端已停止');
    } catch (error) {
      console.error('停止失败:', error);
    }
  }
}

// 启动服务器
const server = new WebBLSHeartbeatServer();
server.start();

// 处理进程终止信号
process.on('SIGINT', () => {
  server.stop();
  process.exit(0);
});

process.on('SIGTERM', () => {
  server.stop();
  process.exit(0);
});

export { WebBLSHeartbeatServer };