import express, { Request, Response } from 'express';
import dotenv from 'dotenv';
import { testConnection } from './config/database';
import orderRoutes from './routes/orderRoutes';

// Load environment variables
dotenv.config({ path: '.env.local' });

const app = express();
const port: number = 7111;

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

// Test database connection on startup
testConnection().then((connected) => {
  if (!connected) {
    console.error('Failed to connect to database. Please check your .env.local configuration.');
  }
});

// Routes
app.get('/', (req: Request, res: Response) => {
  res.send('DMRocket API - Unauthorized');
});

// API Routes
app.use('/api/v1', orderRoutes);

// Health check endpoint
app.get('/health', (req: Request, res: Response) => {
  res.json({ 
    status: 'OK', 
    timestamp: new Date().toISOString(),
    database: 'Connected'
  });
});  

// Error handling middleware
app.use((err: any, req: Request, res: Response, next: any) => {
  console.error('Error:', err);
  res.status(500).json({
    error: 'Internal server error',
    message: err.message || 'Something went wrong'
  });
});

// 404 handler
app.use('*', (req: Request, res: Response) => {
  res.status(404).json({
    error: 'Not found',
    message: 'The requested endpoint does not exist'
  });
});

// Start server
app.listen(port, () => {
  console.log(`DMRocket API is listening at http://localhost:${port}`);
  console.log(`Health check available at http://localhost:${port}/health`);
});