server.js

require('dotenv').config();
const express = require('express');
const cors = require('cors');
const connectDB = require('./config/db');

const app = express();

// Connect to MongoDB
connectDB();

// Middleware
app.use(cors());
app.use(express.json());
app.use(express.urlencoded({ extended: true }));

// Health check
app.get('/api/health', (req, res) => {
  res.json({ status: 'ok', timestamp: new Date().toISOString() });
});

// Routes
app.use('/api/auth', require('./routes/auth'));
app.use('/api/projects', require('./routes/projects'));
app.use('/api/projects/:projectId', require('./routes/todos'));
app.use('/api/projects/:projectId/messages', require('./routes/messages'));
app.use('/api/projects/:projectId/comments', require('./routes/comments'));
app.use('/api/projects/:projectId/events', require('./routes/schedule'));
app.use('/api/projects/:projectId/docs', require('./routes/docs'));

// 404 handler
app.use((req, res) => {
  res.status(404).json({ error: 'Route not found' });
});

// Error handler
app.use((err, req, res, next) => {
  console.error(err.stack);
  res.status(500).json({ error: 'Internal server error' });
});

const PORT = process.env.PORT || 5000;
app.listen(PORT, () => {
  console.log(`🚀 Basecamp Clone API running on port ${PORT}`);
  console.log(`📋 Health check: http://localhost:${PORT}/api/health`);
});