import express from 'express';
import http from 'http';
import cors from 'cors';
import dotenv from 'dotenv';
import { createYjsServer } from './yjs-server';
import { createSignalingServer } from './signaling-server';
import { logger } from './utils/logger';

dotenv.config();

const app = express();
const PORT = process.env.PORT || 3000;

app.use(cors({
  origin: process.env.CORS_ORIGIN || 'http://localhost:5173',
  credentials: true
}));

app.use(express.json());

app.get('/health', (req, res) => {
  res.json({ 
    status: 'ok', 
    timestamp: new Date().toISOString(),
    services: {
      yjs: 'running',
      signaling: 'running'
    }
  });
});

app.get('/', (req, res) => {
  res.json({ 
    message: 'P2P Poll Server',
    endpoints: {
      health: '/health',
      yjs: 'ws://localhost:' + PORT + '/yjs',
      signaling: 'ws://localhost:' + PORT + '/signal'
    }
  });
});

const server = http.createServer(app);

createYjsServer(server, PORT as number);
createSignalingServer(server);

server.listen(PORT, () => {
  logger.info(`Server running on port ${PORT}`);
  logger.info(`Yjs WebSocket: ws://localhost:${PORT}/yjs`);
  logger.info(`Signaling WebSocket: ws://localhost:${PORT}/signal`);
});

process.on('SIGTERM', () => {
  logger.info('SIGTERM signal received: closing HTTP server');
  server.close(() => {
    logger.info('HTTP server closed');
  });
});