import 'reflect-metadata';
import { NestFactory } from '@nestjs/core';
import { ValidationPipe, Logger } from '@nestjs/common';
import cookieParser from 'cookie-parser';
import { join } from 'node:path';
import { mkdirSync } from 'node:fs';
import * as express from 'express';
import { AppModule } from './app.module';
import { HttpExceptionFilter } from './common/filters/http-exception.filter';
import { TransformInterceptor } from './common/interceptors/transform.interceptor';

async function bootstrap() {
  const app = await NestFactory.create(AppModule, {
    logger: ['log', 'error', 'warn', 'debug', 'verbose'],
  });

  app.setGlobalPrefix('api');

  const webOrigin = process.env.WEB_ORIGIN ?? '*';
  app.enableCors({
    origin: webOrigin === '*' ? true : webOrigin.split(','),
    credentials: true,
    exposedHeaders: ['X-Tenant-Id'],
  });

  app.use(cookieParser());

  // Serve uploaded files at /api/uploads/...
  const uploadsDir = join(process.cwd(), 'uploads');
  mkdirSync(uploadsDir, { recursive: true });
  app.use('/api/uploads', express.static(uploadsDir));

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

  app.useGlobalFilters(new HttpExceptionFilter());
  app.useGlobalInterceptors(new TransformInterceptor());

  const port = Number(process.env.PORT ?? 8080);
  await app.listen(port, '0.0.0.0');
  Logger.log(`API Server listening on http://0.0.0.0:${port}/api`, 'Bootstrap');
}

void bootstrap();