/**
    * This file Copyright (c) 2019 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.form.field.definition.migration;
  
  import info.magnolia.ui.editor.CurrentItemProviderDefinition;
  import info.magnolia.ui.field.CompositeFieldDefinition;
  import info.magnolia.ui.field.PrefixNameDecorator;
  import info.magnolia.ui.form.definition.DefinitionConverter;
  import info.magnolia.ui.form.field.transformer.composite.CompositeTransformer;
  import info.magnolia.ui.form.field.transformer.composite.DelegatingCompositeFieldTransformer;
  
  import java.util.stream.Collectors;
  
  /**
   * Converter from old {@link info.magnolia.ui.form.field.definition.CompositeFieldDefinition} to new {@link CompositeFieldDefinition}.
   */
  public class CompositeFieldDefinitionConverter extends AbstractComplexFieldDefinitionConverter<Object, CompositeFieldDefinition<Object>, info.magnolia.ui.form.field.definition.CompositeFieldDefinition> {
  
      public CompositeFieldDefinition<Object> convert(info.magnolia.ui.form.field.definition.CompositeFieldDefinition oldDefinition) {
          CompositeFieldDefinition<Object> newDefinition = super.convert(oldDefinition);
          //newDefinition.setLayout();
          newDefinition.setProperties(oldDefinition.getFields().stream()
                  .map(fieldDefinition -> DefinitionConverter.FIELD.convert(fieldDefinition))
                  .collect(Collectors.toList()));
          convertTransformerStrategy(oldDefinition, newDefinition);
          return newDefinition;
      }
  
      @Override
      CompositeFieldDefinition<Object> createNewDefinition(info.magnolia.ui.form.field.definition.CompositeFieldDefinition oldDefinition) {
          return new CompositeFieldDefinition<>();
      }
  
      private void convertTransformerStrategy(info.magnolia.ui.form.field.definition.CompositeFieldDefinition oldDefinition, CompositeFieldDefinition newDefinition) {
          if (oldDefinition.getTransformerClass().equals(CompositeTransformer.class)) {
              newDefinition.setItemProvider(new CurrentItemProviderDefinition());
              newDefinition.setPropertyNameDecorator(PrefixNameDecorator.class);
          } else if (oldDefinition.getTransformerClass().equals(DelegatingCompositeFieldTransformer.class)) {
              newDefinition.setItemProvider(new CurrentItemProviderDefinition());
          }
      }
  
      @Override
      protected boolean supportsTransformerClass(Class transformerClass) {
          if (transformerClass.equals(CompositeTransformer.class) ||
                  transformerClass.equals(DelegatingCompositeFieldTransformer.class)) {
              return true;
          }
          return false;
      }
  }