server.js

const express = require('express');
const session = require('express-session');
const mongoose = require('mongoose');
const MongoStore = require('connect-mongo');
const dotenv = require('dotenv');

// Load environment variables from .env file
dotenv.config();

// Create Express app
const app = express();
const PORT = process.env.PORT || 6969;

// Middleware
app.use(express.json());
app.use(express.static('public'));

mongoose.connect(process.env.MONGODB_URI, {
    // useNewUrlParser: true,
    // useUnifiedTopology: true
  }).then(() => {
    console.log('Connected to MongoDB');
  }).catch((error) => {
    console.error('Error connecting to MongoDB:', error);
    process.exit(1); // Exit the process if unable to connect to MongoDB
  });

// Set up session middleware
app.use(session({
    secret: process.env.SESSION_SECRET,
    resave: false,
    saveUninitialized: true,
    store: MongoStore.create({
      client: mongoose.connection, // Use Mongoose connection directly
      mongoUrl: process.env.MONGODB_URI // Specify MongoDB URL
    })
  }));

// Import routes
const routes = require('./routes');

// Routes
app.use('/api', routes);

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

// Handle unhandled promise rejections
process.on('unhandledRejection', (error, promise) => {
  console.error('Unhandled Rejection:', error);
  // Close server and exit process
  server.close(() => process.exit(1));
});