import { NestFactory } from '@nestjs/core';
import { ValidationPipe, Logger } from '@nestjs/common';
import { ConfigService } from '@nestjs/config';
import { AppModule } from './app.module';

async function bootstrap() {
	const logger = new Logger('Bootstrap');

	const app = await NestFactory.create(AppModule, {
		logger: ['error', 'warn', 'log', 'debug', 'verbose'],
	});

	const configService = app.get(ConfigService);

	// CORS configuration
	app.enableCors({
		origin: configService.get('FRONTEND_URL') || true,
		credentials: true,
		methods: ['GET', 'POST', 'PUT', 'DELETE', 'PATCH', 'OPTIONS'],
		allowedHeaders: ['Content-Type', 'Authorization'],
	});

	// Global validation pipe
	app.useGlobalPipes(
		new ValidationPipe({
			whitelist: true,
			forbidNonWhitelisted: true,
			transform: true,
			transformOptions: {
				enableImplicitConversion: true,
			},
		})
	);

	// Global prefix for API routes (except health and redirect)
	app.setGlobalPrefix('v1', {
		exclude: ['health', 'health/(.*)', ':code'],
	});

	const port = configService.get('PORT') || 3003;

	await app.listen(port);
	logger.log(`ULOAD Backend running on port ${port}`);
	logger.log(`Health check: http://localhost:${port}/health`);
}

bootstrap();