main.ts

import { NestFactory } from '@nestjs/core';
import { ValidationPipe } from '@nestjs/common';
import { AppModule } from './app.module';
import * as path from 'path';
import { NestExpressApplication } from '@nestjs/platform-express';

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

  // Enable CORS for frontend communication
  app.enableCors({
    origin: ['http://localhost:3000', 'http://127.0.0.1:3000'],
    methods: 'GET,HEAD,PUT,PATCH,POST,DELETE,OPTIONS',
    credentials: true,
    allowedHeaders: ['Content-Type', 'Authorization'],
  });

  // Global validation pipe
  app.useGlobalPipes(
    new ValidationPipe({
      whitelist: true,
      forbidNonWhitelisted: true,
      transform: true,
      transformOptions: {
        enableImplicitConversion: true,
      },
    }),
  );

  // Serve static files from public directory
  app.useStaticAssets(path.join(__dirname, '..', '..', 'frontend'), {
    prefix: '/public/',
  });

  // Global prefix for API routes
  app.setGlobalPrefix('api');

  const port = process.env.PORT || 3000;
  await app.listen(port);
  console.log(`🚀 Application is running on: http://localhost:${port}`);
  console.log(`📱 Frontend available at: http://localhost:${port}/public/index.html`);
}

bootstrap();