/**
    * This file Copyright (c) 2012-2015 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.core.Path;
  import info.magnolia.context.MgnlContext;
  import info.magnolia.event.EventBus;
  import info.magnolia.jcr.util.NodeTypes;
  import info.magnolia.jcr.util.NodeUtil;
  import info.magnolia.repository.RepositoryConstants;
  import info.magnolia.ui.api.event.AdmincentralEventBus;
  import info.magnolia.ui.vaadin.integration.jcr.JcrItemAdapter;
  import info.magnolia.ui.vaadin.integration.jcr.JcrItemUtil;
  
  import javax.inject.Named;
  import javax.jcr.Item;
  import javax.jcr.Node;
  import javax.jcr.NodeIterator;
  import javax.jcr.RepositoryException;
  
  import org.slf4j.Logger;
  import org.slf4j.LoggerFactory;
  
  /**
   * Action that creates a new node by duplicating an existing one.
   *
   * @see DuplicateNodeActionDefinition
   */
  public class DuplicateNodeAction extends AbstractRepositoryAction<DuplicateNodeActionDefinition> {
  
      private static final Logger log = LoggerFactory.getLogger(DuplicateNodeAction.class);
  
      public DuplicateNodeAction(DuplicateNodeActionDefinition definition, JcrItemAdapter item, @Named(AdmincentralEventBus.NAME) EventBus eventBus) {
          super(definition, item, eventBus);
      }
  
      @Override
      protected void onExecute(JcrItemAdapter item) throws RepositoryException {
          Item jcrItem = item.getJcrItem();
          if (jcrItem.isNode()) {
              Node node = (Node) jcrItem;
              Node parentNode = node.getParent();
  
              // Generate name and path of the new node
              String newName = getUniqueNewItemName(parentNode, node.getName());
              String newPath = Path.getAbsolutePath(parentNode.getPath(), newName);
  
              // Duplicate node
              node.getSession().getWorkspace().copy(node.getPath(), newPath);
  
              // Update metadata
              Node duplicateNode = node.getSession().getNode(newPath);
  
              activatableUpdate(duplicateNode, MgnlContext.getUser().getName());
              // Set item of the new node for the ContentChangedEvent
              setItemIdOfChangedItem(JcrItemUtil.getItemId(duplicateNode));
  
              log.debug("Created a copy of {} with new path {}", node.getPath(), newPath);
          }
      }
  
      private void activatableUpdate(Node node, String userName) throws RepositoryException {
          if (NodeUtil.isNodeType(node, NodeTypes.Activatable.NAME) ||
                  (RepositoryConstants.CONFIG.equals(node.getSession().getWorkspace().getName()) && NodeUtil.isNodeType(node, NodeTypes.ContentNode.NAME))) {
              NodeTypes.Activatable.update(node, userName, false);
          }
  
          NodeIterator nodeIterator = node.getNodes();
         while (nodeIterator.hasNext()) {
             activatableUpdate(nodeIterator.nextNode(), userName);
         }
     }
 }