/**
    * This file Copyright (c) 2018 Magnolia International
    * Ltd.  (http://www.magnolia-cms.com). All rights reserved.
    *
    *
    * This file is dual-licensed under both the Magnolia
    * Network Agreement and the GNU General Public License.
    * You may elect to use one or the other of these licenses.
    *
   * This file is distributed in the hope that it will be
   * useful, but AS-IS and WITHOUT ANY WARRANTY; without even the
   * implied warranty of MERCHANTABILITY or FITNESS FOR A
   * PARTICULAR PURPOSE, TITLE, or NONINFRINGEMENT.
   * Redistribution, except as permitted by whichever of the GPL
   * or MNA you select, is prohibited.
   *
   * 1. For the GPL license (GPL), you can redistribute and/or
   * modify this file under the terms of the GNU General
   * Public License, Version 3, as published by the Free Software
   * Foundation.  You should have received a copy of the GNU
   * General Public License, Version 3 along with this program;
   * if not, write to the Free Software Foundation, Inc., 51
   * Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
   *
   * 2. For the Magnolia Network Agreement (MNA), this file
   * and the accompanying materials are made available under the
   * terms of the MNA which accompanies this distribution, and
   * is available at http://www.magnolia-cms.com/mna.html
   *
   * Any modifications to this file must keep this entire header
   * intact.
   *
   */
  package info.magnolia.admincentral.apps.notifications.view;
  
  import info.magnolia.context.MgnlContext;
  import info.magnolia.ui.api.app.SubApp;
  import info.magnolia.ui.api.app.SubAppContext;
  import info.magnolia.ui.api.message.Message;
  import info.magnolia.ui.contentapp.browser.ContentViews;
  import info.magnolia.ui.contentapp.browser.Workbench;
  import info.magnolia.ui.contentapp.browser.context.ValueContext;
  import info.magnolia.ui.contentapp.configuration.WorkbenchDefinition;
  import info.magnolia.ui.framework.message.MessagesManager;
  
  import javax.inject.Inject;
  
  /**
   * Notification workbench which will init {@link NotificationContentViewsDefinition}.
   */
  public class NotificationWorkbench extends Workbench<Message> {
      private final MessagesManager messagesManager;
      private final SubAppContext subAppContext;
      private MessagesManager.MessageListener messageListener;
      private final String userName;
      @Inject
      public NotificationWorkbench(NotificationWorkbenchDefinition definition, WorkbenchContext workbenchContext,
                                   MessagesManager messagesManager, SubAppContext subAppContext, ValueContext<Message> valueContext) {
          super(definition, workbenchContext);
  
          this.messagesManager = messagesManager;
          this.subAppContext = subAppContext;
          this.userName = MgnlContext.getUser().getName();
          registerMessageListener();
          valueContext.observe(taskSelectedItems -> updateTitle());
      }
  
      @Override
      protected ContentViews<Message> getContentViews(WorkbenchDefinition definition) {
          return create(new NotificationContentViewsDefinition(definition.getContentViews()));
      }
  
      @Override
      public void destroy() {
          messagesManager.unregisterMessagesListener(userName, messageListener);
      }
  
      private void updateTitle() {
          SubApp subApp = subAppContext.getSubApp();
          if (subApp instanceof NotificationBrowserSubApp) {
              String title = ((NotificationBrowserSubApp) subApp).getTitle();
              boolean isHtml = subAppContext.getAppContext().getAppDescriptor().isHtmlCaption();
  
              setTitle(title, isHtml);
          }
      }
  
      private void registerMessageListener() {
          messageListener = new MessagesManager.MessageListener() {
              @Override
              public void messageSent(Message message) {
                  updateTitle();
              }
  
              @Override
              public void messageCleared(Message message) {
                  updateTitle();
              }
  
             @Override
             public void messageRemoved(String id) {
                 updateTitle();
             }
         };
         messagesManager.registerMessagesListener(userName, messageListener);
     }
 }