/**
    * 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.task.app;
  
  import info.magnolia.context.Context;
  import info.magnolia.i18nsystem.SimpleTranslator;
  import info.magnolia.task.Task;
  import info.magnolia.task.TasksManager;
  import info.magnolia.task.app.data.TaskCategory;
  import info.magnolia.task.app.view.TasksBrowserDescriptor;
  import info.magnolia.ui.api.app.SubAppContext;
  import info.magnolia.ui.api.app.SubAppDescriptor;
  import info.magnolia.ui.contentapp.ContentBrowserSubApp;
  import info.magnolia.ui.contentapp.configuration.BrowserDescriptor;
  
  import java.util.Arrays;
  import java.util.List;
  
  import javax.inject.Inject;
  
  /**
   *  Tasks browser sub-app implementation.
   */
  public class TasksSubApp extends ContentBrowserSubApp {
  
      private final TasksManager tasksManager;
      private final SimpleTranslator simpleTranslator;
      private final String userName;
  
      @Inject
      public TasksSubApp(SubAppContext subAppContext, TasksManager tasksManager, SimpleTranslator simpleTranslator, Context context, BrowserDescriptor browserDescriptor) {
          super(subAppContext, browserDescriptor);
          this.tasksManager = tasksManager;
          this.simpleTranslator = simpleTranslator;
          this.userName = context.getUser().getName();
      }
  
      @Override
      public String getCaption() {
          long unclearedTasksForUser = getUnclearedTasksForUser();
          String unclearTasksAsString = unclearedTasksForUser >= 100 ? "99+" : String.valueOf(unclearedTasksForUser);
  
          return simpleTranslator.translate(getSubAppContext().getSubAppDescriptor().getLabel(), unclearTasksAsString);
      }
  
      private long getUnclearedTasksForUser() {
          TaskCategory category = getConfiguredCategory();
  
          List<Task.Status> statuses = Arrays.asList(Task.Status.values());
          if (category != null) {
              statuses = Arrays.asList(category.getStatus().orElse(null));
          }
  
          return tasksManager.getTasksAmountByUserAndStatus(userName, statuses);
      }
  
      private TaskCategory getConfiguredCategory() {
          SubAppDescriptor subAppDescriptor = getSubAppContext().getSubAppDescriptor();
          if (subAppDescriptor instanceof TasksBrowserDescriptor) {
              return ((TasksBrowserDescriptor) subAppDescriptor).getCategory();
          }
  
          return null;
      }
  
      public String getTitle() {
          SubAppDescriptor subAppDescriptor = getSubAppContext().getSubAppDescriptor();
          if (subAppDescriptor instanceof TasksBrowserDescriptor) {
             return simpleTranslator.translate(((TasksBrowserDescriptor) subAppDescriptor).getTitle(), getUnclearedTasksForUser());
         }
 
         return getCaption();
     }
 }