/**
    * This file Copyright (c) 2008-2011 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.templating.module.setup.for4_0;
  
  import java.util.Collection;
  import java.util.Iterator;
  import java.util.List;
  
  import info.magnolia.cms.core.Content;
  import info.magnolia.cms.core.HierarchyManager;
  import info.magnolia.cms.core.ItemType;
  import info.magnolia.cms.core.NodeData;
  import info.magnolia.module.InstallContext;
  import info.magnolia.module.delta.AllModulesNodeOperation;
  import info.magnolia.module.delta.TaskExecutionException;
  
  import javax.jcr.RepositoryException;
  
  import org.slf4j.Logger;
  import org.slf4j.LoggerFactory;
  
  
  /**
   * Finds all properties on nodes contained under a sub node <code>baseNodeName</code>of every module and moves them into
   * a sub node. For instance all properties on /modules/<code>baseNodeName</code>/* to /modules/<code>baseNodeName</code>/./parameters
   *
   * @version $Id$
   */
  public class NestPropertiesAllModulesNodeTask extends AllModulesNodeOperation {
  
      private static Logger log = LoggerFactory.getLogger(NestPropertiesAllModulesNodeTask.class);
  
      private final String baseNodeName;
      private final String newNodeType;
      private final String newNodeName;
      private final List excludePropertiesList;
  
      public NestPropertiesAllModulesNodeTask(String name, String description, String baseNodeName, List excludePropertiesList, String newNodeName, String newNodeType) {
          super(name, description);
          this.baseNodeName = baseNodeName;
          this.newNodeName = newNodeName;
          this.excludePropertiesList = excludePropertiesList;
          this.newNodeType = newNodeType;
      }
  
  
      @Override
      protected void operateOnModuleNode(Content node, HierarchyManager hm, InstallContext ctx)
              throws RepositoryException, TaskExecutionException {
          try {
              if(node.hasContent(baseNodeName)){
                  Content baseNode = node.getContent(baseNodeName);
                  if(baseNode.hasChildren(ItemType.CONTENTNODE.getSystemName())) {
                      final Collection children = baseNode.getChildren(ItemType.CONTENTNODE.getSystemName());
                      final Iterator it = children.iterator();
                      Content baseNodeChild;
                      while(it.hasNext()) {
                          baseNodeChild = (Content) it.next();
                          Content newNode;
                          if(baseNodeChild.hasContent(newNodeName) ) {
                              newNode = baseNodeChild.getContent(newNodeName);
                          } else {
                              newNode = baseNodeChild.createContent(newNodeName, newNodeType);
                          }
                          if(baseNodeChild.hasChildren()) {
                              final Collection childrenNodeData = baseNodeChild.getNodeDataCollection();
                              final Iterator it2 = childrenNodeData.iterator();
                              NodeData nodeData;
                             while(it2.hasNext()) {
                                 nodeData = (NodeData) it2.next();
                                 if(!excludePropertiesList.contains(nodeData.getName())) {
                                     newNode.createNodeData(nodeData.getName(), nodeData.getValue());
                                     baseNodeChild.deleteNodeData(nodeData.getName());
                                 }
                             }
                         }
                     }
 
                 }
 
             }
         }
         catch(RepositoryException e){
             throw e;
         }
         catch (Exception e) {
             throw new TaskExecutionException("can't reconfigure tasks", e);
         }
 
     }
 
 }