import {Component, OnDestroy, OnInit, ViewContainerRef} from "@angular/core";
import {AuthenticationService} from "./model/network/authentication.service";
import {UserDTO} from "../../common/entities/UserDTO";
import {Router} from "@angular/router";
import {Config} from "../../common/config/public/Config";
import {Title} from "@angular/platform-browser";
import {NotificationService} from "./model/notification.service";
import {ShareService} from "./gallery/share.service";
import "hammerjs";

@Component({
  selector: 'pi-gallery2-app',
  template: `<router-outlet></router-outlet>`,

})
export class AppComponent implements OnInit, OnDestroy {

  private subscription = null;

  constructor(private _router: Router,
              private _authenticationService: AuthenticationService,
              private _shareService: ShareService,
              private  _title: Title, vcr: ViewContainerRef,
              notificatin: NotificationService) {
    notificatin.setRootViewContainerRef(vcr);
  }

  async ngOnInit() {
    this._title.setTitle(Config.Client.applicationTitle);
    await this._shareService.wait();
    this.subscription = this._authenticationService.user.subscribe((user: UserDTO) => {
      if (this._authenticationService.isAuthenticated()) {
        if (this.isLoginPage()) {
          return this.toGallery();
        }
      } else {
        if (!this.isLoginPage()) {
          return this.toLogin();
        }
      }

    });

  }

  ngOnDestroy() {
    if (this.subscription != null) {
      this.subscription.unsubscribe();
    }
  }

  private isLoginPage() {
    return this._router.isActive('login', true) || this._router.isActive('shareLogin', false);
  }

  private toLogin() {
    if (this._shareService.isSharing()) {
      return this._router.navigate(["shareLogin"], {queryParams: {sk: this._shareService.getSharingKey()}});
    } else {
      return this._router.navigate(["login"]);
    }
  }

  private toGallery() {
    if (this._shareService.isSharing()) {
      return this._router.navigate(["share", this._shareService.getSharingKey()]);
    } else {
      return this._router.navigate(["gallery", ""]);
    }
  }
}