import { Injectable } from '@angular/core';
import { TranslateService } from '@ngx-translate/core';
import { HttpErrorResponse } from '@angular/common/http';

@Injectable({
    providedIn: 'root',
})
export class ErrorMessageService {
    constructor(private readonly _translateService: TranslateService) {}

    getMessage(error: HttpErrorResponse, defaultMessage?: string): string {
        return defaultMessage
            ? (this._translateService.instant(defaultMessage, { error: this._parseErrorResponse(error) }) as string)
            : this._parseErrorResponse(error);
    }

    private _parseErrorResponse(err: HttpErrorResponse): string {
        return (
            (err?.error?.message?.match('"message":"(.*?)\\"')?.[0].replace(/"message":"|"/gm, '') as string) ||
            (err?.error?.message as string)
        );
    }
}