import { Injectable, OnInit } from '@angular/core';
import { CbmsService } from './../cbms.services';
import { CbmsSharedService } from './../services/cbms-shared.service';
import { Observable, Observer } from 'rxjs';
@Injectable({
  providedIn: 'root'
})
export class PermissionService implements OnInit{

  public dataObserver: Observer<any>;
  isPermissionLoaded: boolean;
  public permissionLst: any;
  userInfoId: any;
  public permissionLoaded: Observable<boolean>;
  constructor(private cbmsService: CbmsService, private cbmsShared: CbmsSharedService) {
    this.cbmsShared.userInfoId$.subscribe(
      t => {
        this.userInfoId = t;
      });
    this.permissionLoaded = Observable.create((observer) => {
      this.dataObserver = observer;
    });
    this.permissionLoaded.subscribe();
  }
  ngOnInit(): void {
  }

  public async loadModulePermissions(userInfoId: any) {
    this.permissionLst = await this.cbmsService.GetPermissionsByUserId(userInfoId);
    this.isPermissionLoaded = true;
    if (this.dataObserver) {
      this.dataObserver.next(this.permissionLst);
    }
    return this.isPermissionLoaded;
  }

  hasAnyPermissions(keys: string[]) {
    if (this.permissionLst) {
      for (let pIndex = 0; pIndex < keys.length; pIndex++) {
        if (this.permissionLst.filter(x => x.toLowerCase() === keys[pIndex].toLowerCase()).length > 0) {
          return true;
        }
      }
    }
    return false;
  }
}