import {Injectable} from "@angular/core";
import {BehaviorSubject, Observable} from "rxjs";

@Injectable({
  providedIn: 'root'
})
export class SideBarService {

  /**
   * Set this to true when sidebar items are ready.
   */
  private openSubject: BehaviorSubject<boolean> = new BehaviorSubject<boolean>(false);

  /**
   *  Set this variable to false on Init of components that is not needed to have sidebar
   *  and on Destroy set this to true.
   */
  private hasSidebarSubject: BehaviorSubject<boolean> = new BehaviorSubject<boolean>(true);

  constructor() {}

  get open(): boolean {
    return this.openSubject.getValue();
  }

  setOpen(value: boolean) {
    this.openSubject.next(value);
  }

  get hasSidebar(): Observable<boolean> {
    return this.hasSidebarSubject.asObservable();
  }

  setHasSidebar(value: boolean) {
    this.hasSidebarSubject.next(value);
  }
}