//참고 : https://wikidocs.net/book/7059

import { HttpException, HttpStatus } from '@nestjs/common'
import { NestFactory } from '@nestjs/core'
import { AppModule } from './app.module'

async function bootstrap() {
  const app = await NestFactory.create(AppModule)
  //Enable All CORS Requests : https://docs.nestjs.com/security/cors
  app.enableCors({
    origin: (origin, callback) => {
      //origin URL이 허용된 경우 또는 orgin자체가 없는 경우(postman tool) 통과
      if (process.env.CORS_ALLOW_ORIGINS.indexOf(origin) !== -1 || !origin) {
        console.log('Allowed Origin URL: ' + origin)
        callback(null, true)
      } else {
        callback(
          new HttpException(
            {
              status: HttpStatus.FORBIDDEN,
              error: origin + '에서는 접근이 허용되지 않습니다.'
            },
            HttpStatus.FORBIDDEN
          )
        )
      }
    },
    methods: process.env.CORS_ALLOW_METHOD,
    credentials: true
  })
  await app.listen(3000, function () {
    console.log(
      '[CORS-enabled->npm install -g webpack webpack-cli] web server listening on port 3000'
    )
  })
}
bootstrap()