import {
  ExceptionFilter,
  Catch,
  ArgumentsHost,
  BadRequestException,
} from '@nestjs/common';
import { Response } from 'express';

@Catch(BadRequestException)
export class BadRequestExceptionFilter implements ExceptionFilter {
  catch(exception: BadRequestException, host: ArgumentsHost) {
    const ctx = host.switchToHttp();
    const response = ctx.getResponse<Response>();
    const status = exception.getStatus();

    response.status(status).json({
      code: exception['response'].error,
      message:
        typeof exception['response'].message == 'string'
          ? exception['response'].message
          : exception['response'].message.join(', '),
      payload: null,
    });
  }
}