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.all.i8n.noun;
  
  import java.util.Objects;
  import java.util.Optional;
  import java.util.function.BiConsumer;
  
  import org.apache.causeway.applib.services.i18n.TranslationContext;
  import org.apache.causeway.commons.internal.base._Lazy;
  import org.apache.causeway.core.metamodel.facetapi.Facet;
  import org.apache.causeway.core.metamodel.facetapi.FacetAbstract;
  import org.apache.causeway.core.metamodel.facetapi.FacetHolder;
  
  import org.jspecify.annotations.NonNull;
  
  public abstract class HasNounFacetAbstract
  extends FacetAbstract
  implements HasNoun {
  
      protected final TranslationContext translationContext;
  
      private final @NonNull Noun noun;
      private final @NonNull _Lazy<Noun> translatedNounForms;
  
      protected HasNounFacetAbstract(
              final Class<? extends Facet> facetType,
              final TranslationContext translationContext,
              final Noun noun,
              final FacetHolder holder) {
          this(facetType, translationContext, noun, holder, Precedence.DEFAULT);
      }
  
      protected HasNounFacetAbstract(
              final Class<? extends Facet> facetType,
              final TranslationContext translationContext,
              final Noun noun,
              final FacetHolder holder,
              final Precedence precedence) {
          super(facetType, holder, precedence);
          this.noun = noun;
          this.translationContext = translationContext;
          this.translatedNounForms = _Lazy.threadSafe(()->
              noun.translate(holder.getTranslationService(), translationContext));
      }
  
      @Override
      public boolean isNounPresent() {
          return noun.isPresent();
      }
  
      @Override
      public final Optional<String> text() {
          return noun.literal();
      }
  
      @Override
      public final Optional<String> translated() {
          return translatedNounForms.get().literal();
      }
  
      @Override
      public void visitAttributes(final BiConsumer<String, Object> visitor) {
          super.visitAttributes(visitor);
          visitor.accept("context", translationContext);
          if(noun.isPresent()) {
              visitor.accept("hasNoun", "true");
              visitor.accept("originalText", text());
              visitor.accept("translated", translated()); // memoizes as a side-effect
          } else {
              visitor.accept("hasNoun", "false");
          }
      }
  
      @Override
      public boolean semanticEquals(final @NonNull Facet other) {
  
          // equality by facet-type, (original) text and translation-context
  
          if(!this.facetType().equals(other.facetType())) {
              return false;
          }
  
          var otherFacet =  (HasNounFacetAbstract)other;
  
          return Objects.equals(this.noun, otherFacet.noun)
                  && Objects.equals(this.translationContext, otherFacet.translationContext);
  
      }
  
  }
  