import { Injectable } from '@angular/core';
import { throwError } from 'rxjs';
import { Observable } from 'rxjs/internal/Observable';

@Injectable({
  providedIn: 'root',
})
export class ErrorLoggerService {
  public static log(serviceName = 'error-logger', message: string) {
    // eslint-disable-next-line no-console
    console.log(`${serviceName}Service: ${message}`);
  }

  /**
   * Handle Http operation that failed.
   * Let the app continue.
   * @param operation - name of the operation that failed
   * @param result - optional value to return as the observable result
   */
  // eslint-disable-next-line @typescript-eslint/no-unused-vars, class-methods-use-this
  public handleError<T>(serviceName = 'error-logger', operation = 'operation', result?: T) {
    return (error: any): Observable<T> => {
      ErrorLoggerService.log(serviceName, `${operation} failed: ${error}`);
      return throwError(error);
    };
  }
}