/**
    * 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.ItemProviderDefinition;
  import info.magnolia.ui.editor.JcrChildNodeProviderDefinition;
  import info.magnolia.ui.field.ConfiguredComplexPropertyDefinition;
  
  import org.slf4j.Logger;
  import org.slf4j.LoggerFactory;
  
  /**
   * Abstract class for converting definitions of complex fields: CompositeField, MultiValueField and SwitchableField.
   *
   * @param <T> item type used in new definition
   * @param <NEW> new definition class which extends {@link info.magnolia.ui.field.EditorPropertyDefinition}
   * @param <OLD> old definition class {@link info.magnolia.ui.form.field.definition.FieldDefinition}
   */
  abstract public class AbstractComplexFieldDefinitionConverter<T, NEW extends ConfiguredComplexPropertyDefinition<T>, OLD extends info.magnolia.ui.form.field.definition.FieldDefinition> implements FieldDefinitionConverter<T, NEW, OLD> {
  
      private final Logger log = LoggerFactory.getLogger(AbstractComplexFieldDefinitionConverter.class);
  
      @Override
      public NEW convert(OLD oldDefinition) {
          NEW newDefinition = createNewDefinition(oldDefinition);
          newDefinition.setDescription(oldDefinition.getDescription());
          newDefinition.setI18n(oldDefinition.isI18n());
          newDefinition.setItemProvider((ItemProviderDefinition<T, T>) new JcrChildNodeProviderDefinition());
          newDefinition.setLabel(oldDefinition.getLabel());
          newDefinition.setName(oldDefinition.getName());
          newDefinition.setStyleName(oldDefinition.getStyleName());
          return newDefinition;
      }
  
      abstract NEW createNewDefinition(OLD oldDefinition);
  
      @Override
      public boolean supports(OLD oldDefinition) {
          if (oldDefinition.getTransformerClass() != null && !supportsTransformerClass(oldDefinition.getTransformerClass())) {
              log.error("Unsupported transformer class for field definition: " + oldDefinition.getName() + ": " + oldDefinition.getTransformerClass().getName());
              return false;
          }
          if (oldDefinition.getConverterClass() != null) {
              log.error("Unsupported converter class for field definition: " + oldDefinition.getName() + ": " + oldDefinition.getConverterClass().getName());
              return false;
          }
          return true;
      }
  
      protected boolean supportsTransformerClass(Class transformerClass) {
          return false;
      }
  
  }