import { Injectable } from '@angular/core';
import { Observable, Subject } from 'rxjs';
import { NavigationEnd, Router } from '@angular/router';

@Injectable()
export class SelectedRouteService {
  public selectedRouteTriggered = new Subject<string>();

  private detailRoutes: Array<string> = ['workplace', 'administration', 'monitor', 'history', 'settings'];

  constructor(private router: Router) {}

  selectRoute(value: NavigationEnd): void {
    this.selectedRouteTriggered.next(this.getRoute(value));
  }

  getSelectedRoute(): Observable<string> {
    return this.selectedRouteTriggered.asObservable();
  }

  private getRoute(event: NavigationEnd): string {
    if (!event) {
      return this.checkUrl(this.router.url);
    }
    return this.checkUrl(event.urlAfterRedirects);
  }

  private checkUrl(url: string): string {
    return this.detailRoutes.find((routeDetail) => url.includes(routeDetail)) || '';
  }
}