/**
 * Application entry point
 */
const express = require('express');
const cors = require('cors');
const usersRouter = require('./api/users');
const authRouter = require('./api/auth');

const app = express();
const PORT = process.env.PORT || 3000;

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

// Routes
app.use('/api/users', usersRouter);
app.use('/api/auth', authRouter);

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

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

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

module.exports = app;