content: /*
   *  Licensed to the Apache Software Foundation (ASF) under one
   *  or more contributor license agreements.  See the NOTICE file
   *  distributed with this work for additional information
   *  regarding copyright ownership.  The ASF licenses this file
   *  to you under the Apache License, Version 2.0 (the
   *  "License"); you may not use this file except in compliance
   *  with the License.  You may obtain a copy of the License at
   *
   *        http://www.apache.org/licenses/LICENSE-2.0
   *
   *  Unless required by applicable law or agreed to in writing,
   *  software distributed under the License is distributed on an
   *  "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
   *  KIND, either express or implied.  See the License for the
   *  specific language governing permissions and limitations
   *  under the License.
   */
  package org.apache.causeway.core.metamodel.facets.actions.layout;
  
  import java.util.Optional;
  
  import jakarta.inject.Inject;
  
  import org.apache.causeway.applib.annotation.ActionLayout;
  import org.apache.causeway.applib.annotation.PromptStyle;
  import org.apache.causeway.core.config.CausewayConfiguration;
  import org.apache.causeway.core.metamodel.context.MetaModelContext;
  import org.apache.causeway.core.metamodel.facetapi.FacetHolder;
  import org.apache.causeway.core.metamodel.facetapi.FeatureType;
  import org.apache.causeway.core.metamodel.facets.FacetFactoryAbstract;
  import org.apache.causeway.core.metamodel.facets.actions.position.ActionPositionFacetFallback;
  import org.apache.causeway.core.metamodel.facets.members.layout.group.LayoutGroupFacetFromActionLayoutAnnotation;
  import org.apache.causeway.core.metamodel.facets.members.layout.order.LayoutOrderFacetFromActionLayoutAnnotation;
  import org.apache.causeway.core.metamodel.facets.object.promptStyle.PromptStyleFacet;
  import org.apache.causeway.core.metamodel.specloader.validator.ValidationFailureUtils;
  
  public class ActionLayoutFacetFactory
  extends FacetFactoryAbstract {
  
      @Inject
      public ActionLayoutFacetFactory(final MetaModelContext mmc) {
          super(mmc, FeatureType.ACTIONS_ONLY);
      }
  
      @Override
      public void process(final ProcessMethodContext processMethodContext) {
  
          var facetHolder = processMethodContext.getFacetHolder();
          var actionLayoutIfAny = processMethodContext
                  .synthesizeOnMethodOrMixinType(
                          ActionLayout.class,
                          () -> ValidationFailureUtils
                          .raiseAmbiguousMixinAnnotations(processMethodContext.getFacetHolder(), ActionLayout.class));
  
          // cssClass
          addFacetIfPresent(
                  CssClassFacetForActionLayoutAnnotation
                  .create(actionLayoutIfAny, facetHolder));
  
          // cssClassFa
          addFacetIfPresent(
                  FaFacetForActionLayoutAnnotation
                  .create(actionLayoutIfAny, facetHolder));
  
          // describedAs
          addFacetIfPresent(
                  MemberDescribedFacetForActionLayoutAnnotation
                  .create(actionLayoutIfAny, facetHolder));
  
          // hidden
          addFacetIfPresent(
                  HiddenFacetForActionLayoutAnnotation
                  .create(actionLayoutIfAny, facetHolder));
  
          // layoutGroup (explicit via field set, or implicit via associated collection)
          addFacetIfPresent(
                  LayoutGroupFacetFromActionLayoutAnnotation
                  .create(actionLayoutIfAny, facetHolder));
  
          // named
          addFacetIfPresent(
                  NamedFacetForActionLayoutAnnotation
                  .create(actionLayoutIfAny, facetHolder));
  
          // promptStyle
          addFacetIfPresent(
              createPromptStyleFacetForActionLayoutAnnotation(actionLayoutIfAny, getConfiguration(), facetHolder));
  
          // position
          var actionPositionFacet = ActionPositionFacetForActionLayoutAnnotation
                  .create(actionLayoutIfAny, facetHolder)
                  .orElseGet(()->new ActionPositionFacetFallback(facetHolder));
  
          addFacet(actionPositionFacet);
  
          // sequence (layout)
          addFacetIfPresent(
                  LayoutOrderFacetFromActionLayoutAnnotation
                  .create(actionLayoutIfAny, facetHolder));
      }
  
      // -- HELPER
  
      private static Optional<PromptStyleFacet> createPromptStyleFacetForActionLayoutAnnotation(
          final Optional<ActionLayout> actionLayoutIfAny,
          final CausewayConfiguration configuration,
          final FacetHolder holder) {
  
          return Optional.ofNullable(
              actionLayoutIfAny
                  .map(ActionLayout::promptStyle)
                  .filter(promptStyle -> promptStyle != PromptStyle.NOT_SPECIFIED)
                  .map(promptStyle -> switch (promptStyle) {
                      case DIALOG, DIALOG_MODAL, DIALOG_SIDEBAR, INLINE, INLINE_AS_IF_EDIT->
                          new PromptStyleFacet("ActionLayoutAnnotation", promptStyle, holder);
                      case AS_CONFIGURED->
                          holder.containsNonFallbackFacet(PromptStyleFacet.class)
                              ? null // do not replace
                              : PromptStyleFacet.asConfgured(configuration, holder);
                      case NOT_SPECIFIED -> null; // unexpected code reach
                  })
                  .orElseGet(() ->
                      // do not replace
                      holder.containsNonFallbackFacet(PromptStyleFacet.class)
                          ? null
                          : PromptStyleFacet.asConfgured(configuration, holder))
          );
      }
  
  }
  