server.js

const express = require('express');
const mongoose = require('mongoose');
const cors = require('cors');
const dotenv = require('dotenv');

dotenv.config();

const app = express();

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

// MongoDB Connection
if (!process.env.MONGODB_URI) {
  console.error('MONGODB_URI not found in environment variables');
  console.error('Please set MONGODB_URI in .env file');
  process.exit(1);
}

mongoose.connect(process.env.MONGODB_URI)
  .then(() => console.log('MongoDB connected successfully'))
  .catch((err) => console.error('MongoDB connection error:', err));

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

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