import { NestFactory } from '@nestjs/core';
import { AppModule } from './app.module';
import { BadRequestException, Logger, ValidationPipe } from '@nestjs/common';
import { ValidationError } from 'class-validator';

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

  const logger = new Logger('bootstrap');
  const origin = ['https://shows.everest.tailscale/admin/'];
  if (process.env.NODE_ENV == 'production') {
    logger.log('In production mode');
  } else {
    logger.log('In development mode');
    origin.push('http://localhost:4200');
  }
  app.enableCors({
    credentials: true,
    origin,
  });
  app.useGlobalPipes(
    new ValidationPipe({
      transform: true,
      // https://stackoverflow.com/questions/75581669/customize-error-message-in-nest-js-using-class-validator
      exceptionFactory: (validationErrors: ValidationError[] = []) => {
        const errors = validationErrors.map((error) => ({
          error: Object.values(error.constraints).join(', '),
        }));

        let errorMessage: string;
        errors.forEach((value, index) => {
          if (index == 0) {
            errorMessage = value.error;
          } else {
            errorMessage = errorMessage.concat(', ', value.error);
          }
        });

        return new BadRequestException({
          status: 'Validation Error',
          message: errorMessage,
        });
      },
    }),
  );

  await app.listen(process.env.PORT);
}
bootstrap();