/**
    * This file Copyright (c) 2018-2020 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.contentapp.action;
  
  import info.magnolia.jcr.util.NodeNameHelper;
  import info.magnolia.jcr.util.NodeUtil;
  import info.magnolia.objectfactory.Components;
  import info.magnolia.ui.ValueContext;
  import info.magnolia.ui.datasource.DatasourceDefinition;
  import info.magnolia.ui.datasource.jcr.JcrDatasourceDefinition;
  
  import java.util.Optional;
  import java.util.regex.Matcher;
  import java.util.regex.Pattern;
  
  import javax.inject.Inject;
  import javax.jcr.Node;
  import javax.jcr.RepositoryException;
  import javax.jcr.Session;
  
  import org.apache.commons.lang3.StringUtils;
  
  /**
   * Action that creates a new node by duplicating an existing one.
   *
   * @see DuplicateNodeActionDefinition
   */
  public class DuplicateNodeAction extends AbstractJcrAction<Node, DuplicateNodeActionDefinition> {
  
      private final JcrDatasourceDefinition jcrDatasourceDefinition;
  
      @Inject
      public DuplicateNodeAction(DuplicateNodeActionDefinition definition, ValueContext<Node> valueContext, NodeNameHelper nodeNameHelper, JcrDatasourceDefinition jcrDatasourceDefinition) {
          super(definition, valueContext, nodeNameHelper);
          this.jcrDatasourceDefinition = jcrDatasourceDefinition;
      }
  
      /**
       * @deprecated since 6.2.4, use {@linkplain #DuplicateNodeAction(DuplicateNodeActionDefinition, ValueContext, NodeNameHelper, JcrDatasourceDefinition)} instead.
       */
      @Deprecated
      public DuplicateNodeAction(DuplicateNodeActionDefinition definition, ValueContext<Node> valueContext, NodeNameHelper nodeNameHelper) {
          this(definition, valueContext, nodeNameHelper, (JcrDatasourceDefinition) Components.getComponent(DatasourceDefinition.class));
      }
  
      @Override
      public Node process(Node node) throws RepositoryException {
          Node parentNode = node.getParent();
  
          // Generate name and path of the new node
          String newPath = NodeUtil.getAbsolutePath(parentNode.getPath(), getUniqueName(node));
  
          // Duplicate node
          Session session = node.getSession();
          session.getWorkspace().copy(node.getPath(), newPath);
          Node duplicatedNode = session.getNode(newPath);
  
          updateAllNameProperties(duplicatedNode);
  
          NodeUtil.orderAfter(duplicatedNode, node.getName());
          session.save();
  
          return duplicatedNode;
      }
  
      protected String getUniqueName(Node node) throws RepositoryException {
          return getNodeNameHelper().getUniqueName(node.getSession(), node.getParent().getPath(), node.getName());
      }
 
     protected void updateAllNameProperties(Node node) throws RepositoryException {
         updateProperty(node, Optional.ofNullable(jcrDatasourceDefinition.getNodeNameProperty()).orElse("jcrName"), node.getName());
     }
 
     protected Matcher getRegexMatcher(String property) throws RepositoryException {
         Pattern digitSuffixPattern = Pattern.compile("(?<name>.*[^0-9])?(?<suffix>[0-9]+)$");
         return digitSuffixPattern.matcher(property);
     }
 
     protected void updateProperty(Node node, String property, String nodeName) throws RepositoryException {
         if (node.hasProperty(property)) {
             String propertyValue = node.getProperty(property).getString();
 
             Matcher nodeNameSuffixMatch = getRegexMatcher(nodeName);
             Matcher jcrNameSuffixMatch = getRegexMatcher(propertyValue);
 
             if (nodeNameSuffixMatch.find()) {
                 if (jcrNameSuffixMatch.find()) {
                     propertyValue = StringUtils.defaultString(jcrNameSuffixMatch.group("name"));
                 }
                 propertyValue += StringUtils.defaultString(nodeNameSuffixMatch.group("suffix"));
             }
 
             node.setProperty(property, propertyValue);
         }
     }
 }