/**
    * 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.ui.datasource.jcr;
  
  import static info.magnolia.ui.datasource.jcr.JcrDatasource.TMP_DELETED_NODE;
  
  import info.magnolia.jcr.decoration.ContentDecoratorNodeWrapper;
  import info.magnolia.jcr.util.NodeTypes;
  import info.magnolia.jcr.util.NodeUtil;
  
  import javax.jcr.ItemNotFoundException;
  import javax.jcr.Node;
  import javax.jcr.RepositoryException;
  import javax.jcr.Session;
  
  import com.machinezoo.noexception.Exceptions;
  
  import lombok.EqualsAndHashCode;
  
  /**
   * {@link info.magnolia.jcr.wrapper.DelegateNodeWrapper} which implements {@link #equals(Object)} and {@link #hashCode()}
   * so we can compare the items in multi selection.
   */
  @EqualsAndHashCode(callSuper = false, onlyExplicitlyIncluded = true)
  public class JcrNodeWrapper extends ContentDecoratorNodeWrapper<JcrDatasource> {
  
      private String newNodeType;
      private String newNodePath;
  
      @EqualsAndHashCode.Include
      private final String uuid;
  
      JcrNodeWrapper(Node node, JcrDatasource contentDecorator) {
          super(node, contentDecorator);
          this.uuid = Exceptions.wrap().get(node::getIdentifier);
      }
  
      @Override
      public Node getWrappedNode() {
          return Exceptions.wrap().get(() -> {
              Node node = super.getWrappedNode();
              if (!node.getSession().isLive()) {
                  Session session = getContentDecorator().getJCRSession().getWrappedSession();
                  try {
                      node = session.getNodeByIdentifier(uuid);
                  } catch (ItemNotFoundException e) {
                      node = createNewItem(session);
                  }
              } else {
                  node = getContentDecorator().exists(node) ? node : createNewItem(wrapped.getSession());
              }
              setWrappedNode(node);
              return node;
          });
      }
  
      @Override
      public Node addNode(String relPath, String primaryNodeTypeName) throws RepositoryException {
          JcrNodeWrapper../../../info/magnolia/ui/datasource/jcr/JcrNodeWrapper.html#JcrNodeWrapper">JcrNodeWrapper node = (JcrNodeWrapper) super.addNode(relPath, primaryNodeTypeName);
          node.newNodeType = primaryNodeTypeName;
          node.newNodePath = node.getPath();
          return node;
      }
  
      @Override
      public Node addNode(String relPath) throws RepositoryException {
          return addNode(relPath, null);
      }
 
     @Override
     public void remove() throws RepositoryException {
         super.remove();
         newNodePath = null;
     }
 
     @Override
     public String toString() {
         return Exceptions.wrap().get(this::getPath);
     }
 
     private Node createNewItem(Session session) throws RepositoryException {
         Node root = session.getRootNode();
         if (newNodePath == null) {
             return NodeUtil.createPath(root, TMP_DELETED_NODE, NodeTypes.System.NAME);
         } else {
             return NodeUtil.createPath(root, newNodePath, newNodeType);
         }
     }
 
 }