const express = require('express');
const cors = require('cors');
const path = require('path');
const http = require('http');
const connectDB = require('./config/database');
const env = require('./config/env');
const logger = require('./config/logger');
const { notFound, errorHandler } = require('./middleware/error.middleware');
const apiRoutes = require('./routes');
const initializeSocket = require('./socket');

// Initialize express app
const app = express();
const PORT = env.PORT;

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

// Initialize Socket.IO
const io = initializeSocket(server);

// Make io accessible to routes
app.set('io', io);

// Connect to MongoDB
connectDB();

// Middleware
app.use(cors());
app.use(express.json());
app.use(logger);

// Routes
app.get('/', (req, res) => {
  res.json({ message: 'Welcome to Restaurant Management System API' });
});

// API Routes
app.use('/api', apiRoutes);

// Error handling middleware
app.use(notFound);
app.use(errorHandler);

// Start the server
server.listen(PORT, () => {
  console.log(`Server is running on port ${PORT}`);
});