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 static graphql.schema.GraphQLFieldDefinition.newFieldDefinition;
  
  import org.apache.causeway.core.metamodel.spec.feature.ObjectAction;
  import org.apache.causeway.viewer.graphql.model.context.Context;
  import org.apache.causeway.viewer.graphql.model.domain.ElementCustom;
  import org.apache.causeway.viewer.graphql.model.domain.TypeNames;
  import org.apache.causeway.viewer.graphql.model.domain.common.interactors.ActionInteractor;
  import org.apache.causeway.viewer.graphql.model.fetcher.BookmarkedPojo;
  import org.apache.causeway.viewer.graphql.model.types.TypeMapper;
  
  import lombok.extern.log4j.Log4j2;
  
  @Log4j2
  public class RichActionInvoke
          extends ElementCustom {
  
      private final RichActionInvokeTarget target;
      private final RichActionInvokeArgs args;
      private final RichActionInvokeResult result;
  
      public RichActionInvoke(
              final ActionInteractor actionInteractor,
              final Context context) {
          super(TypeNames.actionInvokeTypeNameFor(actionInteractor.getObjectSpecification(), actionInteractor.getObjectMember(), actionInteractor.getSchemaType()), context);
  
          if(isBuilt()) {
              this.target = null;
              this.args = null;
              this.result = null;
              return;
          }
  
          addChildFieldFor(this.target = new RichActionInvokeTarget(actionInteractor, context));
          addChildFieldFor(this.args = new RichActionInvokeArgs(actionInteractor, context));
          addChildFieldFor(this.result = new RichActionInvokeResult(actionInteractor, context));
  
          var gqlObjectType = buildObjectType();
          var objectAction = actionInteractor.getObjectMember();
          var fieldBuilder = newFieldDefinition()
                  .name(fieldNameForSemanticsOf(objectAction))
                  .type(gqlObjectType);
          actionInteractor.addGqlArguments(objectAction, fieldBuilder, TypeMapper.InputContext.INVOKE, objectAction.getParameterCount());
          setField(fieldBuilder.build());
      }
  
      private static String fieldNameForSemanticsOf(ObjectAction objectAction) {
          switch (objectAction.getSemantics()) {
              case SAFE_AND_REQUEST_CACHEABLE:
              case SAFE:
                  return "invoke";
              case IDEMPOTENT:
              case IDEMPOTENT_ARE_YOU_SURE:
                  return "invokeIdempotent";
              case NON_IDEMPOTENT:
              case NON_IDEMPOTENT_ARE_YOU_SURE:
              case NOT_SPECIFIED:
              default:
                  return "invokeNonIdempotent";
          }
      }
  
      @Override
      protected Object fetchData(final DataFetchingEnvironment dataFetchingEnvironment) {
  
          // make args available to child fields
          dataFetchingEnvironment.getGraphQlContext().put("arguments", dataFetchingEnvironment.getArguments());
  
          return BookmarkedPojo.sourceFrom(dataFetchingEnvironment, context);
      }
  
      @Override
      protected void addDataFetchersForChildren() {
          target.addDataFetcher(this);
          args.addDataFetcher(this);
          result.addDataFetcher(this);
      }
  
  }
  