/**
    * This file Copyright (c) 2013 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.framework.action;
  
  import info.magnolia.cms.i18n.MessagesManager;
  import info.magnolia.commands.CommandsManager;
  import info.magnolia.context.Context;
  import info.magnolia.context.MgnlContext;
  import info.magnolia.event.EventBus;
  import info.magnolia.module.ModuleRegistry;
  import info.magnolia.ui.api.context.UiContext;
  import info.magnolia.ui.api.app.SubAppContext;
  import info.magnolia.ui.api.event.AdmincentralEventBus;
  import info.magnolia.ui.api.event.ContentChangedEvent;
  import info.magnolia.ui.vaadin.integration.jcr.AbstractJcrNodeAdapter;
  import info.magnolia.ui.vaadin.integration.jcr.JcrItemAdapter;
  import info.magnolia.ui.vaadin.overlay.MessageStyleTypeEnum;
  
  import javax.inject.Inject;
  import javax.inject.Named;
  
  import org.apache.commons.lang.StringUtils;
  
  /**
   * UI action that allows to deactivate pages (nodes).
   *
   * @see DeactivationActionDefinition
   */
  public class DeactivationAction extends AbstractCommandAction<DeactivationActionDefinition> {
  
      private final AbstractJcrNodeAdapter jcrNodeAdapter;
      private final EventBus eventBus;
      private final UiContext uiContext;
      private ModuleRegistry moduleRegistry;
  
      @Inject
      public DeactivationAction(final DeactivationActionDefinition definition, final JcrItemAdapter item, final CommandsManager commandsManager, @Named(AdmincentralEventBus.NAME) EventBus eventBus, SubAppContext uiContext, ModuleRegistry moduleRegistry) {
          super(definition, item, commandsManager, uiContext);
          this.jcrNodeAdapter = (AbstractJcrNodeAdapter) item;
          this.eventBus = eventBus;
          this.uiContext = uiContext;
          this.moduleRegistry = moduleRegistry;
      }
  
      @Override
      protected void onError(Exception e) {
          uiContext.openNotification(MessageStyleTypeEnum.ERROR, true, MessagesManager.get(isWorkflowInstalled() ? getDefinition().getWorkflowErrorMessage() : getDefinition().getErrorMessage()));
      }
  
      @Override
      protected void onPostExecute() throws Exception {
          eventBus.fireEvent(new ContentChangedEvent(jcrNodeAdapter.getWorkspace(), jcrNodeAdapter.getItemId()));
  
          // Display a notification
          Context context = MgnlContext.getInstance();
          boolean result = (Boolean) context.getAttribute(COMMAND_RESULT);
          String message;
          MessageStyleTypeEnum messageStyleType;
          if (!result) {
              message = MessagesManager.get(isWorkflowInstalled() ? getDefinition().getWorkflowSuccessMessage() : getDefinition().getSuccessMessage());
              messageStyleType = MessageStyleTypeEnum.INFO;
          } else {
              message = MessagesManager.get(isWorkflowInstalled() ? getDefinition().getWorkflowFailureMessage() : getDefinition().getFailureMessage());
              messageStyleType = MessageStyleTypeEnum.ERROR;
          }
  
          if (StringUtils.isNotBlank(message)) {
              uiContext.openNotification(messageStyleType, true, message);
         }
     }
 
     private boolean isWorkflowInstalled() {
         return moduleRegistry.isModuleRegistered("workflow");
     }
 }