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.viewer.graphql.model.domain.rich.query;
  
  import graphql.schema.DataFetchingEnvironment;
  import graphql.schema.GraphQLList;
  
  import static graphql.schema.GraphQLFieldDefinition.newFieldDefinition;
  
  import org.apache.causeway.core.metamodel.object.ManagedObject;
  import org.apache.causeway.core.metamodel.spec.feature.ObjectActionParameter;
  import org.apache.causeway.viewer.graphql.model.context.Context;
  import org.apache.causeway.viewer.graphql.model.domain.Environment;
  import org.apache.causeway.viewer.graphql.model.domain.Element;
  import org.apache.causeway.viewer.graphql.model.domain.common.interactors.ActionInteractor;
  
  import lombok.Getter;
  import lombok.extern.log4j.Log4j2;
  
  @Log4j2
  public class RichActionInvokeArgsArg
          extends Element {
  
      @Getter private final ActionInteractor actionInteractor;
      @Getter private final ObjectActionParameter objectActionParameter;
      @Getter private final int paramNum;
  
      public RichActionInvokeArgsArg(
              final ActionInteractor actionInteractor,
              final ObjectActionParameter oap,
              final Context context,
              final int paramNum) {
          super(context);
  
          this.actionInteractor = actionInteractor;
          this.objectActionParameter = oap;
          this.paramNum = paramNum;
  
          var elementType = oap.getElementType();;
  
          var gqlObjectTypeForElementType = context.typeMapper.outputTypeFor(elementType, actionInteractor.getSchemaType());
          if (gqlObjectTypeForElementType != null) {
              var gqlOutputType = oap.isPlural()
                      ? GraphQLList.list(gqlObjectTypeForElementType)
                      : gqlObjectTypeForElementType;
  
              var fieldBuilder = newFieldDefinition()
                      .name(oap.asciiId())
                      .type(gqlOutputType);
              setField(fieldBuilder.build());
          } else {
              setField(null);
          }
      }
  
      @Override
      protected Object fetchData(DataFetchingEnvironment dataFetchingEnvironment) {
          var environment = new Environment.ForTunnelled(dataFetchingEnvironment);
          var managedObjects = actionInteractor.argumentManagedObjectsFor(environment, actionInteractor.getObjectMember(), context.bookmarkService);
          return managedObjects.get(paramNum).map(ManagedObject::getPojo).orElse(null);
      }
  
  }
  