/**
    * This file Copyright (c) 2009-2015 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.module.resources.setup;
  
  import info.magnolia.jcr.util.NodeTypes;
  import info.magnolia.jcr.util.NodeUtil;
  import info.magnolia.module.InstallContext;
  import info.magnolia.module.delta.AbstractTask;
  import info.magnolia.module.delta.TaskExecutionException;
  import info.magnolia.module.resources.ResourcesModule;
  
  import javax.jcr.Node;
  import javax.jcr.Session;
  
  import org.apache.commons.lang3.StringUtils;
  
  /**
   * Task to install a referenced resource.
   */
  public class InstallReferenceResourceTask extends AbstractTask {
      private final String resource;
      private final String reference;
      private final String template;
      private final boolean stripExtension;
  
      public InstallReferenceResourceTask(String resource, String reference, String template) {
          this(resource, reference, template, true);
      }
  
      /**
       * @param stripExtension by default this task used to assume referenced resources always had their extensions stripped;
       * nowadays we discourage stripping resource extensions, so this may not be the case anymore.
       * @see info.magnolia.module.resources.setup.ResourceCleanUpTask
       */
      public InstallReferenceResourceTask(String resource, String reference, String template, boolean stripExtension) {
          super("Install referenced resource", "Creates the " + resource + " with a reference to "+reference);
          this.resource = resource;
          this.reference = reference;
          this.template = template;
          this.stripExtension = stripExtension;
      }
  
      @Override
      public void execute(InstallContext installContext) throws TaskExecutionException {
          try {
              String name = StringUtils.substringAfterLast(resource, "/");
              String path = StringUtils.substringBeforeLast(resource, "/");
  
              Session session = installContext.getJCRSession(ResourcesModule.DEFAULT_WORKSPACE);
              Node parent = NodeUtil.createPath(session.getRootNode(), path, NodeTypes.Folder.NAME);
  
              Node resource;
              if(parent.hasNode(name)){
                  resource = parent.getNode(name);
                  resource.setPrimaryType(NodeTypes.Content.NAME);
              } else {
                  resource = parent.addNode(name, NodeTypes.Content.NAME);
              }
              NodeTypes.Renderable.set(resource, template);
              resource.setProperty("reference", stripExtension ? StringUtils.substringBeforeLast(reference, ".") : reference);
  
          } catch (Exception e) {
              throw new TaskExecutionException("Can't install resource [" + resource + "]", e);
          }
  
      }
  
  }