/**
    * This file Copyright (c) 2013-2018 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.contentapp.setup.for5_3;
  
  import info.magnolia.jcr.RuntimeRepositoryException;
  import info.magnolia.jcr.util.NodeTypes;
  import info.magnolia.jcr.util.NodeUtil;
  import info.magnolia.module.InstallContext;
  import info.magnolia.module.delta.NodeVisitorTask;
  import info.magnolia.repository.RepositoryConstants;
  
  import javax.jcr.Node;
  import javax.jcr.Property;
  import javax.jcr.RepositoryException;
  
  import org.apache.commons.lang3.StringUtils;
  import org.slf4j.Logger;
  import org.slf4j.LoggerFactory;
  
  /**
   * Substitutes availability rule class property with multiple availability rule definitions.
   * This task normally is not meant to be used standalone.
   *
   * @see {@link ContentAppMigrationTask}
   */
  public class MigrateAvailabilityRulesTask extends NodeVisitorTask {
  
      private static final Logger log = LoggerFactory.getLogger(MigrateAvailabilityRulesTask.class);
  
      protected static final String RULE_CLASS = "ruleClass";
      protected static final String RULES = "rules";
  
      public MigrateAvailabilityRulesTask(String path) {
          super("Migrate availability rules", "Substitute availability rule class property with multiple availability rule definitions", RepositoryConstants.CONFIG, path);
      }
  
      public MigrateAvailabilityRulesTask() {
          this("/");
      }
  
      @Override
      protected boolean nodeMatches(Node node) {
          try {
              return node.getPrimaryNodeType().getName().equals(NodeTypes.ContentNode.NAME) && node.getName().equals("availability");
          } catch (RepositoryException e) {
              log.error("Couldn't evaluate visited node's name or node-type", e);
          }
          return false;
      }
  
      @Override
      protected void operateOnNode(InstallContext installContext, Node node) {
          try {
              if (node.hasProperty(RULE_CLASS)) {
                  Property ruleClassProperty = node.getProperty(RULE_CLASS);
                  String ruleClass = ruleClassProperty.getString();
  
                  Node ruleNode = NodeUtil.createPath(node, RULES + "/" + resolveRuleName(ruleClass), NodeTypes.ContentNode.NAME);
                  ruleNode.setProperty("implementationClass", ruleClass);
  
                  ruleClassProperty.remove();
              }
          } catch (RepositoryException e) {
              throw new RuntimeRepositoryException("Failed to migrate availability-rules.",e);
          }
      }
  
      private String resolveRuleName(String ruleClass) {
         return StringUtils.substringAfterLast(ruleClass, ".");
     }
 }