import {
  Injectable,
  NestInterceptor,
  ExecutionContext,
  CallHandler,
} from '@nestjs/common';
import { Observable } from 'rxjs';
import { map } from 'rxjs/operators';

@Injectable()
export class HttpStatusInterceptor implements NestInterceptor {
  intercept(context: ExecutionContext, next: CallHandler): Observable<any> {
    const request = context.switchToHttp().getRequest();
    const response = context.switchToHttp().getResponse();

    // 如果是 POST 请求且状态码为 201，改为 200
    if (request.method === 'POST' && response.statusCode === 201) {
      response.status(200);
    }

    return next.handle();
  }
}