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

async function bootstrap() {
  const app = await NestFactory.create(AppModule);
   app.enableCors({ origin: '*' });
  app.useGlobalPipes(
    new ValidationPipe({
      whitelist:true, // strips unknown properties from @Body()
      forbidNonWhitelisted:true, // throws 400 if unknown props are sent
      transform:true // converts query string numbers/booleans from strings → correct types
    })
  )
  const config = new DocumentBuilder()
    .setTitle('Chat app')
    .setDescription('The chat API description')
    .setVersion('1.0')
    // .addBearerAuth(
    //   {
    //     type: 'http',
    //     scheme: 'bearer',
    //     bearerFormat: 'JWT',
    //     in: 'header',
    //   },
    //   'jwt',
    // )
    .build();
  const document = SwaggerModule.createDocument(app, config);
  SwaggerModule.setup('api', app, document);

  const configService=app.get(ConfigService)
  const port=configService.get<number>('PORT')|| 3000;

  await app.listen(port);
}
bootstrap();