import { Injectable, Injector } from '@angular/core';
import { Router, ActivatedRouteSnapshot, RouterStateSnapshot } from '@angular/router';
import { AppSettings } from '../app.settings';
import { ActivatedRoute } from '@angular/router';
import { CbmsService } from '../cbms.services';
import { CbmsBaseUtilService } from './../services/cbms-base-util.service';

import { Observable } from 'rxjs';
import { PermissionService } from './../services/permission.service';
import { IEnvironmentsInfo } from '../Models/environmentsModel.info';
import { map } from 'rxjs/operators'
//import { environment } from './../environments/environment';

@Injectable({ providedIn: 'root' })

export class AuthGuard  {
  public config;
  constructor(private router: Router, public injector: Injector,private cbmsService: CbmsService,
    private queryStringRouter: ActivatedRoute, private cbmsbaseutil: CbmsBaseUtilService,
    private permissionService: PermissionService) {
      this.config=this.injector.get<IEnvironmentsInfo>('config' as any);
     }

  canActivate(route: ActivatedRouteSnapshot, state: RouterStateSnapshot) {
    const routeString = (this.config.moduleName === 'budget' ? route.routeConfig.path
                                  : state.root.children[0].routeConfig.path).toLowerCase();
    //   if (this.cbmsbaseutil.IsAuthenticate) {
    if (this.permissionService.isPermissionLoaded) {
      return this.isValid(routeString);
    } else {
      return this.permissionService.permissionLoaded.pipe(map(() => this.isValid(routeString)));
    }
    // } else {
    // location.href = this.injector.get("config").appLoginURL;
    // return false;
    // }
  }

  public isValid(url: string): boolean {
    let hasPermision = true;
    if (this.permissionService.permissionLst.length > 0) {
      if (this.cbmsbaseutil.RoutesInfo) {
        for (let i = 0; i < this.cbmsbaseutil.RoutesInfo.length; i++) {
          if (url.indexOf(this.cbmsbaseutil.RoutesInfo[i].route.toLowerCase()) > -1) {
            hasPermision = false;
            if (this.permissionService.hasAnyPermissions(this.cbmsbaseutil.RoutesInfo[i].permissions)) {
              hasPermision = true;
            }
            break;
          }
        }
      }
    } else if (this.permissionService.isPermissionLoaded) {
      hasPermision = false;
    }
    if (!hasPermision) {
      location.href = this.config.appLoginURL;
    }
    return hasPermision;
  }
}