/**
    * 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.dialog.setup.migration;
  
  import info.magnolia.jcr.util.NodeTypes;
  import info.magnolia.module.InstallContext;
  import info.magnolia.ui.form.field.converter.BaseIdentifierToPathConverter;
  import info.magnolia.ui.form.field.definition.LinkFieldDefinition;
  import info.magnolia.ui.form.field.definition.MultiValueFieldDefinition;
  import info.magnolia.ui.form.field.transformer.multi.MultiValueChildNodeTransformer;
  import info.magnolia.ui.form.field.transformer.multi.MultiValueJSONTransformer;
  import info.magnolia.ui.form.field.transformer.multi.MultiValueSubChildrenNodeTransformer;
  
  import javax.jcr.Node;
  import javax.jcr.RepositoryException;
  
  /**
   * Migrate an MultiSelect control to a MultiLinkFieldDefinition.
   */
  public class MultiSelectControlMigrator implements ControlMigrator {
  
      private final boolean useIdentifier;
  
      public MultiSelectControlMigrator(boolean useIdentifier) {
          this.useIdentifier = useIdentifier;
      }
  
      @Override
      public void migrate(Node controlNode, InstallContext installContext) throws RepositoryException {
          controlNode.getProperty("controlType").remove();
          controlNode.setProperty("class", MultiValueFieldDefinition.class.getName());
  
          // Set transformerClass
          setTransformerClass(controlNode);
          // Create a Field sub node
          Node field = controlNode.addNode("field", NodeTypes.ContentNode.NAME);
          // Set converter
          if (useIdentifier) {
              field.addNode("identifierToPathConverter", NodeTypes.ContentNode.NAME).setProperty("class", BaseIdentifierToPathConverter.class.getName());
          }
          field.setProperty("class", LinkFieldDefinition.class.getName());
          // Set Related Select (App)
          if (controlNode.hasProperty("tree")) {
              setSeletionApp(controlNode, field);
          }
          controlNode.setProperty("buttonSelectAddLabel", "field.link.select.add");
          field.setProperty("buttonSelectNewLabel", "field.link.select.new");
          field.setProperty("buttonSelectOtherLabel", "field.link.select.another");
  
          if (controlNode.hasProperty("saveHandler")) {
              controlNode.getProperty("saveHandler").remove();
          }
          // set type if define
          if (controlNode.hasProperty("type")) {
              field.setProperty("type", controlNode.getProperty("type").getString());
              controlNode.getProperty("type").remove();
          }
      }
  
      /**
       * Set Selection App.
       */
      protected void setSeletionApp(Node controlNode, Node fieldNode) throws RepositoryException {
          String workspace = controlNode.getProperty("tree").getString();
          fieldNode.setProperty("targetWorkspace", workspace);
          controlNode.getProperty("tree").remove();
          if (workspace.equals("category")) {
              fieldNode.setProperty("appName", "categories");
         } else if (workspace.equals("website")) {
             fieldNode.setProperty("appName", "pages");
         }
     }
 
     /**
      * Set the transformerClass.
      */
     protected void setTransformerClass(Node controlNode) throws RepositoryException {
         if (controlNode.hasProperty("saveMode")) {
             String saveMode = controlNode.getProperty("saveMode").getString();
             if (saveMode.equals("list")) {
                 controlNode.setProperty("transformerClass", MultiValueJSONTransformer.class.getName());
             } else if (saveMode.equals("multiple")) {
                 controlNode.setProperty("transformerClass", MultiValueChildNodeTransformer.class.getName());
             }
             controlNode.getProperty("saveMode").remove();
         } else {
             controlNode.setProperty("transformerClass", MultiValueSubChildrenNodeTransformer.class.getName());
         }
     }
 
 }