/*!
 * @license
 * Alfresco Example Content Application
 *
 * Copyright (C) 2005 - 2019 Alfresco Software Limited
 *
 * This file is part of the Alfresco Example Content Application.
 * If the software was purchased under a paid Alfresco license, the terms of
 * the paid license agreement will prevail.  Otherwise, the software is
 * provided under the following open source license terms:
 *
 * The Alfresco Example Content Application is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * The Alfresco Example Content Application is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with Alfresco. If not, see <http://www.gnu.org/licenses/>.
 */

import { Component, ViewEncapsulation } from '@angular/core';
import { Observable } from 'rxjs';
import { Store } from '@ngrx/store';
import {
  AppStore,
  ToggleDocumentDisplayMode,
  getDocumentDisplayMode
} from '@alfresco/aca-shared/store';

@Component({
  selector: 'app-document-display-mode',
  template: `
    <ng-container *ngIf="displayMode$ | async as displayMode">
      <button
        [attr.title]="getTitle(displayMode) | translate"
        [attr.aria-label]="getTitle(displayMode) | translate"
        mat-icon-button
        color="primary"
        (click)="onClick()"
      >
        <mat-icon *ngIf="displayMode === 'list'">view_comfy</mat-icon>
        <mat-icon *ngIf="displayMode === 'gallery'">list</mat-icon>
      </button>
    </ng-container>
  `,
  encapsulation: ViewEncapsulation.None,
  host: { class: 'app-document-display-mode' }
})
export class DocumentDisplayModeComponent {
  displayMode$: Observable<string>;

  constructor(private store: Store<AppStore>) {
    this.displayMode$ = store.select(getDocumentDisplayMode);
  }

  getTitle(displayMode: string): string {
    return displayMode === 'list'
      ? 'APP.ACTIONS.LIST_MODE'
      : 'APP.ACTIONS.GALLERY_MODE';
  }

  onClick() {
    this.store.dispatch(new ToggleDocumentDisplayMode());
  }
}