import express from 'express';
import cors from 'cors';
import dotenv from 'dotenv';
import { initializeDatabase } from './utils/database';
import authRoutes from './routes/auth';
import garminRoutes from './routes/garmin';
import healthRoutes from './routes/health';
import analysisRoutes from './routes/analysis';
import { errorHandler } from './middleware/errorHandler';

dotenv.config();

const app = express();
const PORT = process.env.PORT || 5000;

// Middleware
app.use(express.json());
app.use(cors({
  origin: process.env.CORS_ORIGIN || 'http://localhost:3000',
  credentials: true
}));

// Routes
app.use('/api/auth', authRoutes);
app.use('/api/garmin', garminRoutes);
app.use('/api/health', healthRoutes);
app.use('/api/analysis', analysisRoutes);

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

// Error handling
app.use(errorHandler);

// Initialize database, then start accepting requests
initializeDatabase()
  .then(() => {
    app.listen(PORT, () => {
      console.log(`Server running on http://localhost:${PORT}`);
    });
  })
  .catch((err) => {
    console.error('[db] Failed to initialize database:', err);
    process.exit(1);
  });