import { createApp } from './app';
import { config } from './config';
import { schedulerService } from './services/schedulerService';
import { prisma } from './utils/prisma';

async function main() {
  try {
    console.log('Starting WLED Controller Backend...');

    // Initialize scheduler
    await schedulerService.initialize();

    // Create Express app
    const app = createApp();

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

    // Graceful shutdown
    const shutdown = async () => {
      console.log('\nShutting down gracefully...');
      
      // Stop scheduler
      await schedulerService.shutdown();
      
      // Close database connection
      await prisma.$disconnect();
      
      // Close server
      server.close(() => {
        console.log('Server closed');
        process.exit(0);
      });

      // Force exit after 10 seconds
      setTimeout(() => {
        console.error('Forced shutdown after timeout');
        process.exit(1);
      }, 10000);
    };

    process.on('SIGTERM', shutdown);
    process.on('SIGINT', shutdown);
  } catch (error) {
    console.error('Failed to start server:', error);
    await prisma.$disconnect();
    process.exit(1);
  }
}

main();