/*
 *  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.isis.core.metamodel.facets.actions.notcontributed.derived;

import java.lang.reflect.Method;
import org.apache.isis.applib.annotation.NatureOfService;
import org.apache.isis.core.metamodel.facetapi.FacetUtil;
import org.apache.isis.core.metamodel.facetapi.FeatureType;
import org.apache.isis.core.metamodel.facets.FacetFactoryAbstract;
import org.apache.isis.core.metamodel.facets.FacetedMethod;
import org.apache.isis.core.metamodel.facets.object.domainservice.DomainServiceFacet;
import org.apache.isis.core.metamodel.spec.ObjectSpecification;

public class NotContributedFacetDerivedFromDomainServiceFacetFactory extends FacetFactoryAbstract {

    public NotContributedFacetDerivedFromDomainServiceFacetFactory() {
        super(FeatureType.ACTIONS_ONLY);
    }

    @Override
    public void process(final ProcessMethodContext processMethodContext) {
        final Method method = processMethodContext.getMethod();
        final Class<?> declaringClass = method.getDeclaringClass();
        final ObjectSpecification spec = getSpecificationLoader().loadSpecification(declaringClass);

        final DomainServiceFacet domainServiceFacet = spec.getFacet(DomainServiceFacet.class);
        if(domainServiceFacet == null || domainServiceFacet.isNoop()) {
            return;
        }

        final NatureOfService natureOfService = domainServiceFacet.getNatureOfService();
        if(natureOfService == NatureOfService.VIEW_CONTRIBUTIONS_ONLY || natureOfService == NatureOfService.VIEW) {
            return;
        }

        final FacetedMethod facetHolder = processMethodContext.getFacetHolder();
        FacetUtil.addFacet(new NotContributedFacetDerivedFromDomainServiceFacet(natureOfService, facetHolder));
    }

}
