/**
    * This file Copyright (c) 2012-2018 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;
  
  import info.magnolia.jcr.util.NodeUtil;
  import info.magnolia.jcr.util.NodeVisitor;
  import info.magnolia.module.InstallContext;
  import info.magnolia.module.delta.QueryTask;
  import info.magnolia.module.delta.TaskExecutionException;
  
  import javax.jcr.Node;
  import javax.jcr.RepositoryException;
  
  import org.slf4j.Logger;
  import org.slf4j.LoggerFactory;
  
  /**
   * Changes type of content app descriptors to {@link info.magnolia.ui.contentapp.ConfiguredContentAppDescriptor}.
   */
  public class ContentAppDescriptorMigrationTask extends QueryTask {
  
      private static final Logger log = LoggerFactory.getLogger(ContentAppDescriptorMigrationTask.class);
      private NodeVisitor nodeVisitor = new AppNodeVisitor();
  
      public ContentAppDescriptorMigrationTask(String name, String description, String configRepository, String query) {
          super(name, description, configRepository, query);
      }
  
      public ContentAppDescriptorMigrationTask(String name, String description, String configRepository, String query, NodeVisitor nodeVisitor) {
          super(name, description, configRepository, query);
          this.nodeVisitor = nodeVisitor;
      }
  
      @Override
      protected void doExecute(InstallContext ctx) throws RepositoryException, TaskExecutionException {
          log.info("Start content app descriptor migration ");
          try {
              super.doExecute(ctx);
              log.info("Successfully execute cleanup of the content repository ");
          } catch (Exception e) {
              log.error("Unable to clean content repository", e);
              ctx.error("Unable to perform Migration task " + getName(), e);
              throw new TaskExecutionException(e.getMessage());
          } finally {
              log.info("Finished content app descriptor migration ");
          }
      }
  
      @Override
      protected void operateOnNode(InstallContext ctx, Node node) {
          try {
              NodeUtil.visit(node.getParent(), nodeVisitor);
          } catch (RepositoryException e) {
              log.error("Unable to process app node ", e);
          }
  
      }
  }