// src/app.ts
import express from 'express';
import cors from 'cors';
import config from './config/config';
import routes from './routes';
import { errorHandler } from './middleware';
import logger from './utils/logger';

const app = express();

// Debug middleware to log all incoming requests
app.use((req, res, next) => {
  logger.debug(`Incoming request: ${req.method} ${req.originalUrl}`);
  logger.debug('Request body:', req.body);
  next();
});

// CORS configuration
app.use(cors({
  origin: ['http://localhost:5173', 'http://localhost:3000'],
  credentials: true,
  methods: ['GET', 'POST', 'PUT', 'DELETE', 'OPTIONS'],
  allowedHeaders: ['Content-Type', 'Authorization']
}));

app.use(express.json());

// Routes
logger.info(`Registering routes with prefix: ${config.server.apiPrefix}`);
app.use(config.server.apiPrefix, routes);

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

// Error handling
app.use(errorHandler);

// 404 handler - Debug version
app.use((req, res) => {
  logger.warn('404 Not Found:', {
    method: req.method,
    path: req.path,
    originalUrl: req.originalUrl,
    body: req.body
  });
  res.status(404).json({ 
    error: 'Not Found',
    path: req.path,
    originalUrl: req.originalUrl
  });
});

const port = config.server.port || 3000;
app.listen(port, () => {
  logger.info(`Server running on port ${port} in ${config.env} mode`);
  logger.info(`API endpoints available at http://localhost:${port}${config.server.apiPrefix}`);
});

export default app;