app.js

// app.js
const express = require('express');
const mongoose = require('mongoose');
const session = require('express-session');
const MongoStore = require('connect-mongo');
const methodOverride = require('method-override');
const dotenv = require('dotenv');
const path = require('path');

dotenv.config();
const app = express();

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

// Middleware
app.use(express.urlencoded({ extended: true }));
app.use(express.json());
app.use(methodOverride('_method'));
app.use(express.static(path.join(__dirname, 'public')));

// EJS as template engine
app.set('view engine', 'ejs');

// Sessions
app.use(session({
  secret: process.env.SESSION_SECRET || 'stackit-secret', 
  resave: false, 
  saveUninitialized: false,
  store: MongoStore.create({ mongoUrl: process.env.MONGO_URI }),
}));

// Routes
app.use('/', require('./routes/index'));

// Start server
const PORT = process.env.PORT || 3000;
app.listen(PORT, () => console.log(`Server running at http://localhost:${PORT}`));