import * as path from 'path';
import { NestFactory } from '@nestjs/core';
import { NestExpressApplication } from '@nestjs/platform-express';
import { ValidationPipe } from '@nestjs/common';
import { SwaggerModule, DocumentBuilder } from '@nestjs/swagger';
import { IoAdapter } from '@nestjs/platform-socket.io';
import helmet from 'helmet';
import { AppModule } from './app.module';
import { HttpExceptionFilter } from './common/filters/http-exception.filter';

async function bootstrap() {
  const app = await NestFactory.create<NestExpressApplication>(AppModule);
  app.useStaticAssets(path.join(process.cwd(), 'uploads'), { prefix: '/uploads' });

  app.use(helmet());
  app.setGlobalPrefix('api/v1');
  app.enableCors({
    origin: process.env.ALLOWED_ORIGINS?.split(',') ?? '*',
    credentials: true,
  });

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

  app.useGlobalFilters(new HttpExceptionFilter());
  app.useWebSocketAdapter(new IoAdapter(app));

  const config = new DocumentBuilder()
    .setTitle('Have Your Say API')
    .setDescription('Community Club Platform API')
    .setVersion('1.0')
    .addBearerAuth()
    .build();
  SwaggerModule.setup('api/docs', app, SwaggerModule.createDocument(app, config));

  const port = process.env.PORT ?? 3000;
  await app.listen(port);
  console.log(`API running on http://localhost:${port}`);
  console.log(`Swagger docs at http://localhost:${port}/api/docs`);
}

bootstrap();