server.js

import express from 'express';
import http from 'http';
import { Server } from 'socket.io';
import mongoose from 'mongoose';
import dotenv from 'dotenv';
import cors from 'cors';

import authRoutes from './routes/authRoutes.js';
import orderRoutes from './routes/orderRoutes.js';
import restaurantRoutes from './routes/restaurantRoutes.js';
import courierRoutes from './routes/courierRoutes.js';

dotenv.config();

const app = express();
const server = http.createServer(app);
const io = new Server(server, {
  cors: {
    origin: "*",
    methods: ["GET", "POST"]
  }
});

app.use(cors());
app.use(express.json());

// Connect to MongoDB
mongoose.connect(process.env.MONGODB_URI, {
  useNewUrlParser: true,
  useUnifiedTopology: true,
})
.then(() => console.log('Connected to MongoDB'))
.catch((err) => console.error('MongoDB connection error:', err));

// Routes
app.use('/api/auth', authRoutes);
app.use('/api/orders', orderRoutes);
app.use('/api/restaurants', restaurantRoutes);
app.use('/api/couriers', courierRoutes);

// Socket.IO connection
io.on('connection', (socket) => {
  console.log('A user connected');

  socket.on('updateLocation', (data) => {
    // Broadcast the updated location to all connected clients
    io.emit('locationUpdate', data);
  });

  socket.on('disconnect', () => {
    console.log('User disconnected');
  });
});

const PORT = process.env.PORT || 5000;
server.listen(PORT, () => {
  console.log(`Server running on port ${PORT}`);
});