/**
    * 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.badge;
  
  import info.magnolia.context.Context;
  import info.magnolia.event.EventBus;
  import info.magnolia.i18nsystem.SimpleTranslator;
  import info.magnolia.ui.api.event.AdmincentralEventBus;
  import info.magnolia.ui.api.location.DefaultLocation;
  import info.magnolia.ui.api.location.Location;
  import info.magnolia.ui.api.location.LocationController;
  import info.magnolia.ui.api.message.Message;
  import info.magnolia.ui.api.shell.CloseAppEvent;
  import info.magnolia.ui.framework.message.MessagesManager;
  
  import java.util.Optional;
  
  import javax.inject.Inject;
  import javax.inject.Named;
  
  /**
   * Notification badge implementation.
   */
  public class NotificationBadge extends AbstractBadge implements MessagesManager.MessageListener {
  
      private final MessagesManager messagesManager;
      private final EventBus eventBus;
  
      @Inject
      NotificationBadge(LocationController controller, Context context, SimpleTranslator i18n, MessagesManager messagesManager,
                        @Named(AdmincentralEventBus.NAME) EventBus eventBus) {
          super(controller, context, i18n);
          this.messagesManager = messagesManager;
          this.messagesManager.registerMessagesListener(getUserName(), this);
          this.eventBus = eventBus;
  
          update();
      }
  
      @Deprecated
      NotificationBadge(LocationController controller, Context context, SimpleTranslator i18n, MessagesManager messagesManager) {
          this(controller, context, i18n, messagesManager, null);
      }
  
      @Override
      Status getStatus() {
          // the number of new, unread notifications
          int count = messagesManager.getNumberOfUnclearedMessagesForUser(getUserName());
          String description = getI18n().translate("badge.notification.description", count);
          return new Status(count > 0, count, description);
      }
  
      @Override
      public void messageSent(Message message) {
          update();
      }
  
      @Override
      public void messageCleared(Message message) {
          update();
      }
  
      @Override
      public void messageRemoved(String id) {
          update();
      }
  
      @Override
     public String getCaption() {
         return getI18n().translate("notifications.app.caption");
     }
 
     @Override
     Location getLocation() {
         return new DefaultLocation("app", "notifications");
     }
 
     @Override
     public void detach() {
         messagesManager.unregisterMessagesListener(getUserName(), this);
         super.detach();
     }
 
     @Override
     protected void onBadgeDeselected() {
         Optional.ofNullable(eventBus).ifPresent(eb -> eventBus.fireEvent(new CloseAppEvent()));
     }
 }