/**
    * This file Copyright (c) 2014-2017 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.ui.admincentral.shellapp.pulse.item.list;
  
  import info.magnolia.objectfactory.Components;
  import info.magnolia.registry.RegistrationException;
  import info.magnolia.ui.admincentral.shellapp.pulse.item.ConfiguredPulseListDefinition;
  import info.magnolia.ui.admincentral.shellapp.pulse.item.PulseListDefinition;
  import info.magnolia.ui.admincentral.shellapp.pulse.item.detail.PulseDetailPresenter;
  import info.magnolia.ui.admincentral.shellapp.pulse.item.detail.PulseItemCategory;
  import info.magnolia.ui.admincentral.shellapp.pulse.item.list.footer.PulseListFooterPresenter;
  import info.magnolia.ui.api.action.ActionDefinition;
  import info.magnolia.ui.api.action.ActionExecutionException;
  import info.magnolia.ui.api.availability.AvailabilityChecker;
  import info.magnolia.ui.api.availability.AvailabilityDefinition;
  import info.magnolia.ui.api.view.View;
  
  import java.util.List;
  import java.util.Set;
  
  import org.slf4j.Logger;
  import org.slf4j.LoggerFactory;
  
  /**
   * Abstract presenter for items displayed in pulse.
   */
  public abstract class AbstractPulseListPresenter implements PulseListPresenter, PulseDetailPresenter.Listener, PulseListView.Listener, PulseListFooterPresenter.Listener {
  
      private static final Logger log = LoggerFactory.getLogger(AbstractPulseListPresenter.class);
  
      protected final PulseListContainer container;
      protected final AvailabilityChecker availabilityChecker;
      protected final PulseListActionExecutor actionExecutor;
      protected final PulseListFooterPresenter pulseListFooterPresenter;
      protected PulseListDefinition definition;
  
      protected Listener listener;
  
      /**
       * @deprecated since 5.5, use {@link AbstractPulseListPresenter#AbstractPulseListPresenter(PulseListContainer, ConfiguredPulseListDefinition, AvailabilityChecker, PulseListActionExecutor, PulseListFooterPresenter)} instead.
       */
      @Deprecated
      protected AbstractPulseListPresenter(PulseListContainer container) {
          this.container = container;
          this.availabilityChecker = Components.getComponent(AvailabilityChecker.class);
          this.actionExecutor = Components.getComponent(PulseListActionExecutor.class);
          this.pulseListFooterPresenter = Components.getComponent(PulseListFooterPresenter.class);
  
          log.warn("You are using a deprecated not compatible constructor. Please update your implementation to use the new one!");
      }
  
      protected AbstractPulseListPresenter(PulseListContainer container, ConfiguredPulseListDefinition definition,
              AvailabilityChecker availabilityChecker, PulseListActionExecutor pulseListActionExecutor, PulseListFooterPresenter pulseListFooterPresenter) {
          this.container = container;
          this.availabilityChecker = availabilityChecker;
          this.actionExecutor = pulseListActionExecutor;
          this.pulseListFooterPresenter = pulseListFooterPresenter;
          this.definition = definition;
  
          this.actionExecutor.setActionsDefinition(definition.getBulkActions());
          this.pulseListFooterPresenter.setListener(this);
      }
  
      @Override
      public void setListener(Listener listener) {
          this.listener = listener;
      }
  
     @Override
     public void showList() {
         container.refresh();
         listener.showList();
     }
 
     @Override
     public void setGrouping(boolean checked) {
         container.setGrouping(checked);
     }
 
     @Override
     public void filterByItemCategory(PulseItemCategory category) {
         container.filterByItemCategory(category);
     }
 
     @Override
     public abstract PulseItemCategory getCategory();
 
     @Override
     public abstract View openItem(String itemId) throws RegistrationException;
 
     @Override
     public abstract int getPendingItemCount();
 
     protected abstract List<Object> getSelectedItemIds();
 
     @Override
     public void onSelectionChanged(Set<Object> itemIds) {
         pulseListFooterPresenter.updateStatus(getTotalEntriesAmount(), itemIds.size());
         // Evaluate availability of each action within the section
         for (ActionDefinition actionDefinition : definition.getBulkActions()) {
             AvailabilityDefinition availability = actionDefinition.getAvailability();
             pulseListFooterPresenter.setActionEnabled(actionDefinition.getName(), availabilityChecker.isAvailable(availability, getSelectedItemIds()));
         }
 
     }
 
     @Override
     public void onItemSetChanged(long totalEntriesAmount) {
         if (pulseListFooterPresenter != null) {
             pulseListFooterPresenter.updateStatus(getTotalEntriesAmount(), 0);
         }
     }
 
     @Override
     public void onBulkActionTriggered(String actionId) {
         executeAction(actionId);
     }
 
     protected void executeAction(String actionName) {
         try {
             AvailabilityDefinition availability = actionExecutor.getActionDefinition(actionName).getAvailability();
             if (availabilityChecker.isAvailable(availability, getSelectedItemIds())) {
                 actionExecutor.execute(actionName, new Object[]{getSelectedItemIds()});
             }
         } catch (ActionExecutionException e) {
             log.error("An error occurred while executing action [{}]", actionName, e);
         }
     }
 
 }