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

@Injectable()
export class IsRouteEnabled implements CanActivate {

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

  canActivate(route: ActivatedRouteSnapshot, state: RouterStateSnapshot): Observable<boolean> | boolean {

         let customRedirect = route.data['redirect'];
         let api  = route.data['api'];
         let community  = route.data['community']
         if(!community){
           community = (route.queryParams["communityId"])?route.queryParams["communityId"]:route.queryParams["community"];
         }
         if(community){
           let isEnabled = this.config.isPageEnabled(api, community,"/"+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;
         }
         return true;
      }
}