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.interactions.val;
  
  import java.util.function.Supplier;
  
  import org.apache.causeway.applib.Identifier;
  import org.apache.causeway.applib.services.wrapper.events.ActionArgumentEvent;
  import org.apache.causeway.commons.collections.Can;
  import org.apache.causeway.core.metamodel.consent.InteractionContextType;
  import org.apache.causeway.core.metamodel.consent.InteractionInitiatedBy;
  import org.apache.causeway.core.metamodel.interactions.ActionInteractionContext;
  import org.apache.causeway.core.metamodel.interactions.InteractionContext;
  import org.apache.causeway.core.metamodel.interactions.InteractionHead;
  import org.apache.causeway.core.metamodel.interactions.ProposedHolder;
  import org.apache.causeway.core.metamodel.object.ManagedObject;
  import org.apache.causeway.core.metamodel.object.MmUnwrapUtils;
  import org.apache.causeway.core.metamodel.spec.feature.ObjectAction;
  
  /**
   * See {@link InteractionContext} for overview; analogous to
   * {@link ActionArgumentEvent}.
   */
  public record ParamValidityContext(
      InteractionContextType interactionType,
      InteractionHead head,
      Identifier identifier,
      Supplier<String> friendlyNameProvider,
      InteractionInitiatedBy initiatedBy,
      ObjectAction objectAction,
      ManagedObject proposed,
      Can<ManagedObject> args,
      int position) implements ValidityContext, ProposedHolder, ActionInteractionContext {
  
      public ParamValidityContext(
              final InteractionHead head,
              final ObjectAction objectAction,
              final Identifier id,
              final Can<ManagedObject> args,
              final int position,
              final InteractionInitiatedBy initiatedBy) {
          this(InteractionContextType.ACTION_PROPOSED_ARGUMENT,
              head, id,
              ()->objectAction.getParameters().getElseFail(position).getFriendlyName(head::target),
              initiatedBy,
              objectAction,
              args.getElseFail(position),
              args,
              position);
      }
  
      @Override
      public ActionArgumentEvent createInteractionEvent() {
          return new ActionArgumentEvent(
                  MmUnwrapUtils.single(target()),
                  identifier(),
                  MmUnwrapUtils.multipleAsArray(args().toList()),
                  position());
      }
  
  }
  