import { loadConfig } from './config.js';
import { SocketManager } from './socket/socketmanager.js';
import { natsServer } from './database/nats.js';
import { redisServer } from './database/redis.js';
import express from 'express';
import log4js from 'log4js';
import http from 'http';
import { mongoServer } from './database/mongo.js';

(async () => {
  // Load configuration
  const config = loadConfig();

  // Setup logger
  const logger = log4js.getLogger('FarmControl API WS');
  logger.level = config.server.logLevel;

  // Create Express app and HTTP server
  const app = express();
  const server = http.createServer(app);

  new SocketManager(server);

  // Connect to NATS (await)
  try {
    await natsServer.connect();
  } catch (err) {
    logger.error('Failed to connect to NATS:', err);
    throw err;
  }

  // Connect to Mongo DB (await)
  try {
    await mongoServer.connect();
  } catch (err) {
    logger.error('Failed to connect to Mongo DB:', err);
    throw err;
  }

  // Connect to Redis (await)
  try {
    await redisServer.connect();
  } catch (err) {
    logger.error('Failed to connect to Redis:', err);
    throw err;
  }

  // Start HTTP server
  server.listen(config.server.port, () => {
    logger.info(`Server listening on port ${config.server.port}`);
  });

  process.on('SIGINT', async () => {
    logger.info('Shutting down...');
    await redisServer.disconnect();
    await mongoServer.disconnect();
    await natsServer.disconnect();
    await server.close();
    logger.info('Shutdown complete');
    process.exit(0);
  });
})();