import { NestFactory } from '@nestjs/core';
import { ValidationPipe } from '@nestjs/common';
import { DocumentBuilder, SwaggerModule } from '@nestjs/swagger';
import { AppModule } from './app.module';

async function bootstrap() {
  const app = await NestFactory.create(AppModule);

  app.enableCors();
  app.useGlobalPipes(new ValidationPipe({ whitelist: true, transform: true }));

  const config = new DocumentBuilder()
    .setTitle('Genex Chain Enterprise API')
    .setDescription(
      '4-tier authenticated blockchain data access: Public / Institutional / Regulatory / Internal',
    )
    .setVersion('1.0')
    .addApiKey({ type: 'apiKey', name: 'X-API-Key', in: 'header' }, 'api-key')
    .addTag('blocks', 'Block queries')
    .addTag('transactions', 'Transaction queries')
    .addTag('address', 'Address balance & token holdings')
    .addTag('coupon', 'Coupon NFT details')
    .addTag('stats', 'Chain statistics')
    .addTag('rpc', 'JSON-RPC proxy (institutional)')
    .addTag('export', 'Batch data export (institutional)')
    .addTag('regulatory', 'Regulatory API (mTLS + cert)')
    .addTag('events', 'Real-time WebSocket subscriptions')
    .build();

  SwaggerModule.setup('docs', app, SwaggerModule.createDocument(app, config));

  const port = process.env.PORT || 3020;
  await app.listen(port);
  console.log(`Enterprise API running on :${port} | Swagger: /docs`);
}

bootstrap();