import {Component} from '@angular/core';
import {AuthService} from "../../services/auth/auth.service";
import {NavController, ViewController, Alert, MenuController} from "ionic-angular";

@Component({
  selector: 'login',
  templateUrl: 'build/components/login/login.html'
})
export class LoginPage {
  public username:string
  public password:string

  constructor(private auth:AuthService,
              public nav:NavController,
              public viewCtrl:ViewController,
              private menu:MenuController) {
  }

  public login() {
    this.auth.login({
      username: this.username,
      password: this.password
    }).then(user => this.dismiss())
      .catch(err => this.showLoginFailedAlert(err));
  }

  private showLoginFailedAlert(err:any) {
    let alert = Alert.create({
      title: 'Login fehlgeschlagen',
      subTitle: 'Der Anmeldevorgang ist fehlgeschlagen. Bitte überprüfen Sie Benutzername und Passwort.',
      buttons: ['OK']
    });
    this.nav.present(alert);
  }

  public dismiss() {
    this.menu.swipeEnable(true);
    this.viewCtrl.dismiss();
  }
}