import { Injectable } from '@angular/core';
import { Router,CanActivate, ActivatedRouteSnapshot, RouterStateSnapshot} from '@angular/router';
import {Observable}       from 'rxjs/Observable';
import 'rxjs/add/operator/filter';
import { ConfigurationService } from '../utils/configuration/configuration.service';

@Injectable()
export class IsRouteEnabled implements CanActivate {

  constructor(private router: Router, private config: ConfigurationService) {}

  canActivate(route: ActivatedRouteSnapshot, state: RouterStateSnapshot): Observable<boolean> | boolean {
    let customRedirect = route.data['redirect'];
    console.log("In IsRouteEnabled");
    console.log(state.url.split("?")[0].substring(1));
    let isEnabled = this.config.isPageEnabled(state.url.split("?")[0].substring(1));
    let redirect = !!customRedirect ? customRedirect : '/error';
    isEnabled.filter(enabled => !enabled)
      .subscribe(() => this.router.navigate([redirect], { queryParams: { "page": state.url } }));

      return isEnabled;
   }
}