import express from 'express';
import cors from 'cors';
import dotenv from 'dotenv';
import authRoutes from './routes/auth.js';
import userRoutes from './routes/users.js';
import departmentRoutes from './routes/departments.js';
import workAllocationRoutes from './routes/work-allocations.js';
import attendanceRoutes from './routes/attendance.js';
import contractorRateRoutes from './routes/contractor-rates.js';

dotenv.config();

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

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

// Request logging
app.use((req, res, next) => {
  console.log(`${new Date().toISOString()} - ${req.method} ${req.path}`);
  next();
});

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

// API Routes
app.use('/api/auth', authRoutes);
app.use('/api/users', userRoutes);
app.use('/api/departments', departmentRoutes);
app.use('/api/work-allocations', workAllocationRoutes);
app.use('/api/attendance', attendanceRoutes);
app.use('/api/contractor-rates', contractorRateRoutes);

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

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

// Start server
app.listen(PORT, () => {
  console.log(`🚀 Server running on http://localhost:${PORT}`);
  console.log(`📊 Health check: http://localhost:${PORT}/health`);
});