import {filter, map, mergeMap} from 'rxjs/operators';
import { Injectable } from '@angular/core';
import {
  Router,
  CanActivate,
  ActivatedRouteSnapshot,
  RouterStateSnapshot,
  CanLoad,
  Route
} from '@angular/router';
import {Observable, Subscription} from 'rxjs';
import {CommunityService} from '../community/community.service';
import { EnvironmentSpecificService} from '../../utils/properties/environment-specific.service';
import {ConnectHelper} from '../connectHelper';
import {properties} from "../../../../environments/environment";

@Injectable()
export class ConnectCommunityGuard implements  CanActivate {
  sub: Subscription = null;

  constructor(private router: Router,
              private communityService: CommunityService) {
  }

  check(community: string): Observable<boolean> | boolean {
    return this.communityService.isCommunityTypeByState(properties, properties['communityAPI'] + community).pipe(map(isCommunity => {
      if(!isCommunity) {
        this.router.navigate(['errorcommunity']);
      }
      return isCommunity;
    }));
  }

  canActivate(route: ActivatedRouteSnapshot, state: RouterStateSnapshot): Observable<boolean> | boolean {
    return this.check(route.queryParams['communityId']);
  }
}