/**
    * 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.datasource.optionlist.Option;
  import info.magnolia.ui.editor.ConfiguredFormDefinition;
  import info.magnolia.ui.editor.CurrentItemProviderDefinition;
  import info.magnolia.ui.editor.FormDefinition;
  import info.magnolia.ui.field.ConfiguredSwitchableFieldDefinition;
  import info.magnolia.ui.field.PrefixNameDecorator;
  import info.magnolia.ui.field.RadioButtonGroupFieldDefinition;
  import info.magnolia.ui.form.definition.DefinitionConverter;
  import info.magnolia.ui.form.field.definition.ConfiguredFieldDefinition;
  import info.magnolia.ui.form.field.definition.OptionGroupFieldDefinition;
  import info.magnolia.ui.form.field.definition.SwitchableFieldDefinition;
  import info.magnolia.ui.form.field.transformer.composite.DelegatingCompositeFieldTransformer;
  import info.magnolia.ui.form.field.transformer.composite.SwitchableTransformer;
  
  import java.util.ArrayList;
  import java.util.Collections;
  import java.util.List;
  
  /**
   * Converter from old {@link SwitchableFieldDefinition} to new {@link ConfiguredSwitchableFieldDefinition}.
   */
  public class SwitchableFieldDefinitionConverter extends AbstractComplexFieldDefinitionConverter<Option, ConfiguredSwitchableFieldDefinition<Option>, SwitchableFieldDefinition> {
  
      public ConfiguredSwitchableFieldDefinition<Option> convert(SwitchableFieldDefinition oldDefinition) {
          ConfiguredSwitchableFieldDefinition<Option> newDefinition = super.convert(oldDefinition);
  
          OptionGroupFieldDefinitionoupFieldDefinition.html#OptionGroupFieldDefinition">OptionGroupFieldDefinition oldOptionField = new OptionGroupFieldDefinition();
          oldOptionField.setName(oldDefinition.getName());
          oldOptionField.setOptions(oldDefinition.getOptions());
          oldOptionField.setI18n(oldDefinition.isI18n());
  
          RadioButtonGroupFieldDefinition optionField = (RadioButtonGroupFieldDefinition) DefinitionConverter.FIELD.convert(oldOptionField);
          newDefinition.setField(optionField);
  
          List<FormDefinition<Option>> formList = new ArrayList<>();
          ConfiguredFormDefinition form;
          for (ConfiguredFieldDefinition fieldDefinition : oldDefinition.getFields()) {
              fieldDefinition.setI18n(oldDefinition.isI18n());
              form = new ConfiguredFormDefinition();
              form.setName(fieldDefinition.getName());
              form.setProperties(Collections.singletonList(DefinitionConverter.FIELD.convert(fieldDefinition)));
              formList.add(form);
          }
          newDefinition.setForms(formList);
          convertTransformerStrategy(oldDefinition, newDefinition);
          return newDefinition;
      }
  
      @Override
      ConfiguredSwitchableFieldDefinition<Option> createNewDefinition(SwitchableFieldDefinition oldDefinition) {
          return new ConfiguredSwitchableFieldDefinition<>();
      }
  
      private void convertTransformerStrategy(info.magnolia.ui.form.field.definition.SwitchableFieldDefinition oldDefinition, ConfiguredSwitchableFieldDefinition newDefinition) {
          if (oldDefinition.getTransformerClass().equals(SwitchableTransformer.class)) {
              newDefinition.setItemProvider(new CurrentItemProviderDefinition());
              newDefinition.setPropertyNameDecorator(PrefixNameDecorator.class);
          }
          if (oldDefinition.getTransformerClass().equals(DelegatingCompositeFieldTransformer.class)) {
              newDefinition.setItemProvider(new CurrentItemProviderDefinition());
          }
      }
  
      @Override
     protected boolean supportsTransformerClass(Class transformerClass) {
         return transformerClass.equals(SwitchableTransformer.class) ||
                 transformerClass.equals(DelegatingCompositeFieldTransformer.class) ||
                 transformerClass.getName().equals("info.magnolia.personalization.cookie.CookieFieldTransformer");
     }
 }