<form class="form-inline" *ngIf="!authService.getUser()">
  <div class="form-group">
    <label>User: (type <em>user</em>)</label>
    <input class="form-control" name="username" #username>
  </div>
  <div class="form-group">
    <label>Password: (type <em>password</em>)</label>
    <input class="form-control" type="password" name="password" #password>
  </div>
  <a class="btn btn-default" (click)="login(username.value, password.value)">
    Submit
    <div class="well" *ngIf="authService.getUser()">
      Logged in as <b>{{ authService.getUser() }}</b> <a href (click)="logout()">Log out</a>
    </div>
    <div class="alert alert-danger" role="alert" *ngIf="message"> {{ message }}</div>
  </a>
</form>