/**
    * This file Copyright (c) 2016-2018 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.dam.app.assets.browser;
  
  import static info.magnolia.dam.jcr.AssetNodeTypes.AssetResource.*;
  import static org.apache.commons.lang3.StringUtils.EMPTY;
  
  import info.magnolia.cms.core.Path;
  import info.magnolia.dam.jcr.AssetNodeTypes.Asset;
  import info.magnolia.dam.jcr.AssetNodeTypes.AssetResource;
  import info.magnolia.jcr.util.PropertyUtil;
  import info.magnolia.ui.contentapp.browser.JcrContentClipboard;
  import info.magnolia.ui.vaadin.integration.jcr.JcrItemId;
  import info.magnolia.ui.vaadin.integration.jcr.JcrItemUtil;
  
  import javax.jcr.Item;
  import javax.jcr.Node;
  import javax.jcr.RepositoryException;
  
  import org.apache.commons.io.FilenameUtils;
  
  /**
   * Assets implementation extends from {@link JcrContentClipboard} to synchronize name when pasting assets.
   */
  public class AssetContentClipboard extends JcrContentClipboard {
  
      /**
       * When passing an asset, in case file name of asset has extension, update asset name to reflect node name.
       * See more in MGNLDAM-678.
       */
      @Override
      protected JcrItemId pasteSingleNode(Node sourceNode, Node destinationNode) throws RepositoryException {
          JcrItemId newItemId = super.pasteSingleNode(sourceNode, destinationNode);
          if (sourceNode.isNodeType(Asset.NAME)) {
              Node targetNode = (Node) JcrItemUtil.getJcrItem(newItemId);
  
              Node resourceNode = getResourceNodeFromAsset(targetNode);
              String extension = PropertyUtil.getString(resourceNode, EXTENSION, EMPTY);
              // still deduce asset name from node name for now (till we can get the increment separately)
              String assetName = targetNode.getName().endsWith(extension) ?
                      FilenameUtils.getBaseName(targetNode.getName()) :
                      targetNode.getName();
  
              targetNode.setProperty(Asset.ASSET_NAME, assetName);
              targetNode.getSession().save();
          }
          return newItemId;
      }
  
      /**
       * Insert unique increment before the extension in case of asset; primarily deduce reference name from the fileName property.
       */
      @Override
      protected String getUniqueNewItemName(Item referenceItem, Node destination) throws RepositoryException {
          if (referenceItem.isNode() && ((Node) referenceItem).isNodeType(Asset.NAME)) {
              Node resourceNode = AssetResource.getResourceNodeFromAsset(((Node) referenceItem));
              if (resourceNode != null) {
                  String extension = PropertyUtil.getString(resourceNode, AssetResource.EXTENSION, EMPTY);
                  String fileName = PropertyUtil.getString(resourceNode, AssetResource.FILENAME);
                  String referenceName = (fileName != null && fileName.endsWith(extension)) ? fileName : fileName + "." + extension;
                  return Path.getUniqueLabel(destination.getSession(), destination.getPath(), Path.getValidatedLabel(referenceName), extension);
              }
          }
          return super.getUniqueNewItemName(referenceItem, destination);
      }
  }