import './tracing.js';
import 'reflect-metadata';
import { NestFactory } from '@nestjs/core';
import { Logger } from '@nestjs/common';
import { FastifyAdapter, type NestFastifyApplication } from '@nestjs/platform-fastify';
import { AppModule } from './app.module.js';
import { mountAuthHandler } from './auth/auth.controller.js';

async function bootstrap(): Promise<void> {
  const logger = new Logger('Bootstrap');
  const app = await NestFactory.create<NestFastifyApplication>(AppModule, new FastifyAdapter());

  mountAuthHandler(app);

  const port = process.env['GATEWAY_PORT'] ?? 4000;
  await app.listen(port as number, '0.0.0.0');
  logger.log(`Gateway listening on port ${port}`);
}

bootstrap().catch((err: unknown) => {
  const logger = new Logger('Bootstrap');
  logger.error('Fatal startup error', err instanceof Error ? err.stack : String(err));
  process.exit(1);
});