/*
 * Copyright French Prime minister Office/SGMAP/DINSIC/Vitam Program (2019-2020)
 * and the signatories of the "VITAM - Accord du Contributeur" agreement.
 *
 * contact@programmevitam.fr
 *
 * This software is a computer program whose purpose is to implement
 * implement a digital archiving front-office system for the secure and
 * efficient high volumetry VITAM solution.
 *
 * This software is governed by the CeCILL-C license under French law and
 * abiding by the rules of distribution of free software.  You can  use,
 * modify and/ or redistribute the software under the terms of the CeCILL-C
 * license as circulated by CEA, CNRS and INRIA at the following URL
 * "http://www.cecill.info".
 *
 * As a counterpart to the access to the source code and  rights to copy,
 * modify and redistribute granted by the license, users are provided only
 * with a limited warranty  and the software's author,  the holder of the
 * economic rights,  and the successive licensors  have only  limited
 * liability.
 *
 * In this respect, the user's attention is drawn to the risks associated
 * with loading,  using,  modifying and/or developing or reproducing the
 * software by the user in light of its specific status of free software,
 * that may mean  that it is complicated to manipulate,  and  that  also
 * therefore means  that it is reserved for developers  and  experienced
 * professionals having in-depth computer knowledge. Users are therefore
 * encouraged to load and test the software's suitability as regards their
 * requirements in conditions enabling the security of their systems and/or
 * data to be ensured and,  more generally, to use and operate it in the
 * same conditions as regards security.
 *
 * The fact that you are presently reading this means that you have had
 * knowledge of the CeCILL-C license and that you accept its terms.
 */
import { HttpErrorResponse } from '@angular/common/http';
import { ErrorHandler, Inject, Injectable } from '@angular/core';
import { MatSnackBar } from '@angular/material/snack-bar';

import { ENVIRONMENT } from './injection-tokens';
import { StartupService } from './startup.service';

const NOTIFICATION_DELAY_MS = 40000;

@Injectable()
export class GlobalErrorHandler implements ErrorHandler {

  displayed = false;

  constructor(
    private snackBar: MatSnackBar,
    private startupService: StartupService,
    @Inject(ENVIRONMENT) private environment: any
  ) {
  }

  handleError(error: any) {
    if (!(error instanceof HttpErrorResponse)) {
      // open the snackbar only once
      if (!this.displayed && this.snackBar.open) {
        this.snackBar.dismiss();
        this.snackBar.open('Une erreur technique est survenue lors de l\'affichage de la page.', null, {
          panelClass: 'vitamui-snack-bar',
          duration: NOTIFICATION_DELAY_MS,
        });
        this.displayed = true;
      }

      // reset this property if the snackbar is not opened
      if (this.displayed && !this.snackBar.open) {
        this.displayed = false;
      }
      console.error('VITAMUI JS issue', error);

      if (this.environment.production) {
        // redirect in cas for example of an empty page
        this.startupService.redirect();
      }
    } else {
      // do nothing, error already handled with vitamui-http-interceptor
    }
  }
}