/**
    * This file Copyright (c) 2014-2015 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.rendering.module.setup;
  
  import info.magnolia.module.InstallContext;
  import info.magnolia.module.delta.ArrayDelegateTask;
  import info.magnolia.module.delta.BootstrapSingleResource;
  import info.magnolia.module.delta.NodeVisitorTask;
  import info.magnolia.module.delta.RemoveNodeTask;
  import info.magnolia.rendering.context.RenderingListener;
  import info.magnolia.rendering.listeners.AbstractRenderingListener;
  import info.magnolia.repository.RepositoryConstants;
  
  import javax.jcr.Node;
  import javax.jcr.RepositoryException;
  
  /**
   * Migrates configuration under modules/rendering/renderers/listeners/ to server/rendering/engine/listeners/.
   */
  public class MigrateRenderingListenersTask extends ArrayDelegateTask {
  
      protected static final String OLD_RENDERING_LISTENERS_LOCATION = "modules/rendering/renderers/listeners/";
      protected static final String NEW_RENDERING_LISTENERS_LOCATION = "server/rendering/engine/listeners/";
  
      public MigrateRenderingListenersTask() {
          super("Migrate rendering listeners.",
                  new BootstrapSingleResource("Boostrap new rendering liteners configuration", "Boostrap new rendering liteners configuration",
                          "/mgnl-bootstrap/rendering/config.server.rendering.engine.listeners.xml"),
  
                  new NodeVisitorTask("Migrate old rendering listeners configuration.",
                          String.format("Migrate configuration under '%s' to '%s'.", OLD_RENDERING_LISTENERS_LOCATION, NEW_RENDERING_LISTENERS_LOCATION), RepositoryConstants.CONFIG, "/" + OLD_RENDERING_LISTENERS_LOCATION) {
                      @Override
                      protected boolean nodeMatches(Node node) {
                          try {
                              return !"dar".equals(node.getName());
                          } catch (RepositoryException e) {
                              return false;
                          }
                      }
  
                      @Override
                      protected void operateOnNode(InstallContext installContext, Node node) {
                          try {
                              if (!node.hasProperty("class")) {
                                  return;
                              }
  
                              installContext.warn(String.format("You have custom rendering listener '%s/class=%s' registered. "
                                      + "Please reimplement this listener by extending from '%s' as '%s' is now deprecated and move this node under '%s'.",
                                      node, node.getProperty("class").getString(),
                                      AbstractRenderingListener.class.getName(), RenderingListener.class.getName(), NEW_RENDERING_LISTENERS_LOCATION));
  
                          } catch (RepositoryException e) {
                              installContext.warn(String.format("Cannot move '%s' to '%s'.", node, NEW_RENDERING_LISTENERS_LOCATION));
                          }
                      }
                  },
                  new RemoveNodeTask("", "/" + OLD_RENDERING_LISTENERS_LOCATION));
  
      }
  }