import {
  ExceptionFilter,
  Catch,
  ArgumentsHost,
  HttpException,
  HttpStatus,
} from "@nestjs/common";
import { Response } from "express";

@Catch()
export class GlobalHttpExceptionFilter implements ExceptionFilter {
  catch(exception: unknown | object, host: ArgumentsHost) {
    const ctx = host.switchToHttp();
    const response = ctx.getResponse<Response>();

    const statusCode =
      exception instanceof HttpException
        ? exception.getStatus()
        : HttpStatus.INTERNAL_SERVER_ERROR;

    const errorMessage =
      exception instanceof HttpException
        ? exception.getResponse()
        : exception || "Internal server error";

    response.status(statusCode).json({
      statusCode: statusCode,
      data: {
        message: errorMessage,
      },
      timestamp: new Date().toISOString(),
    });
  }
}