import { Injectable } from '@angular/core';
import { Router,CanActivate, ActivatedRouteSnapshot, RouterStateSnapshot} from '@angular/router';
import {Observable}       from 'rxjs/Observable';
import {Session} from '../../login/utils/helper.class';
import {LoginErrorCodes} from '../../login/utils/guardHelper.class';
import {CommunityService} from '../community/community.service';
import { EnvironmentSpecificService} from '../../utils/properties/environment-specific.service';
import { mergeMap } from 'rxjs/operators';

@Injectable()
export class ConnectAdminLoginGuard implements CanActivate {
  constructor(private router: Router, private communityService: CommunityService, private propertiesService:EnvironmentSpecificService ) {}

  canActivate(route: ActivatedRouteSnapshot, state: RouterStateSnapshot): Observable<boolean> | boolean {
    //console.log(state.url);
    var user;
    var loggedIn = false;
    var isAdmin = false;
    var errorCode = LoginErrorCodes.NOT_LOGIN;

    let community = (route.queryParams["communityId"]);
    if(Session.isLoggedIn()){
      loggedIn = true;
      if(!Session.isLoggedIn()){
        loggedIn = false;
        errorCode = LoginErrorCodes.NOT_VALID;
        this.router.navigate(['/user-info'], { queryParams: { "errorCode": errorCode, "redirectUrl":  state.url } });

        return false;
      }else if(Session.isPortalAdministrator() || Session.isCommunityCurator()) {
        //console.log("is Admin");
        isAdmin = true;
        return true;
      }else {
        let obs = this.propertiesService.subscribeEnvironment().map(res=>res).mergeMap(properties => {
          return this.communityService.iscommunityManager(properties, properties["communityAPI"]+community,Session.getUserEmail())});
        obs.filter(enabled => !enabled)
        .subscribe(() => this.router.navigate(['/user-info'], { queryParams: { "errorCode": errorCode, "redirectUrl":  state.url } }));
        return obs;
       }
    }else{
      errorCode =LoginErrorCodes.NOT_LOGIN;
      this.router.navigate(['/user-info'], { queryParams: { "errorCode": errorCode, "redirectUrl":  state.url } });

      return false;
    }


  }
  /*
  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;
      }
  */
}