import { ValidationPipe } from '@nestjs/common';
import { ConfigService } from '@nestjs/config';
import { NestFactory } from '@nestjs/core';
import { DocumentBuilder, SwaggerModule } from '@nestjs/swagger';
import * as express from 'express';
import helmet from 'helmet';
import { AppModule } from './app.module';
import { AllExceptionsFilter } from './common/filters/all-exceptions.filter';
import { ResponseInterceptor } from './common/interceptors/response.interceptor';

async function bootstrap() {
  const app = await NestFactory.create(AppModule, { bufferLogs: true });
  const config = app.get(ConfigService);

  app.use(helmet());
  app.use('/internal/crypto', express.text({ type: ['text/plain', 'text/*'] }));
  app.enableCors({
    origin: config.get<string>('CORS_ORIGIN')?.split(',') ?? true,
    credentials: true,
  });
  app.useGlobalPipes(new ValidationPipe({ whitelist: true, forbidNonWhitelisted: true, transform: true }));
  app.useGlobalInterceptors(new ResponseInterceptor());
  app.useGlobalFilters(new AllExceptionsFilter());

  const swaggerConfig = new DocumentBuilder()
    .setTitle('Offline Maps Management API')
    .setDescription('Backend APIs for admin-managed offline map ZIP uploads and public map URL lookup.')
    .setVersion('1.0.0')
    .addBearerAuth()
    .build();
  SwaggerModule.setup('docs', app, SwaggerModule.createDocument(app, swaggerConfig));

  await app.listen(config.get<number>('PORT') ?? 3000);
}

bootstrap();