/*
 *  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.object.named.staticmethod;

import java.lang.reflect.Method;

import org.apache.isis.core.commons.config.IsisConfiguration;
import org.apache.isis.core.commons.lang.MethodExtensions;
import org.apache.isis.core.metamodel.facetapi.FacetHolder;
import org.apache.isis.core.metamodel.facetapi.FacetUtil;
import org.apache.isis.core.metamodel.facetapi.FeatureType;
import org.apache.isis.core.metamodel.facetapi.MetaModelValidatorRefiner;
import org.apache.isis.core.metamodel.facets.MethodFinderUtils;
import org.apache.isis.core.metamodel.facets.MethodPrefixBasedFacetFactoryAbstract;
import org.apache.isis.core.metamodel.facets.MethodPrefixConstants;
import org.apache.isis.core.metamodel.methodutils.MethodScope;
import org.apache.isis.core.metamodel.services.ServicesInjector;
import org.apache.isis.core.metamodel.specloader.validator.MetaModelValidatorComposite;
import org.apache.isis.core.metamodel.specloader.validator.MetaModelValidatorForDeprecatedMethodPrefix;

/**
 * @deprecated
 */
@Deprecated
public class NamedFacetStaticMethodFactory extends MethodPrefixBasedFacetFactoryAbstract implements MetaModelValidatorRefiner {

    private static final String[] PREFIXES = { MethodPrefixConstants.SINGULAR_NAME, };

    private final MetaModelValidatorForDeprecatedMethodPrefix validator = new MetaModelValidatorForDeprecatedMethodPrefix(PREFIXES[0]);

    public NamedFacetStaticMethodFactory() {
        super(FeatureType.OBJECTS_ONLY, OrphanValidation.VALIDATE, PREFIXES);
    }

    @Override
    public void process(final ProcessClassContext processClassContext) {
        final Class<?> cls = processClassContext.getCls();
        final FacetHolder facetHolder = processClassContext.getFacetHolder();

        final Method method = MethodFinderUtils.findMethod(cls, MethodScope.CLASS, MethodPrefixConstants.SINGULAR_NAME, String.class, NO_PARAMETERS_TYPES);
        if (method != null) {
            final String name = (String) MethodExtensions.invokeStatic(method);
            processClassContext.removeMethod(method);
            final NamedFacetStaticMethod facet = new NamedFacetStaticMethod(name, facetHolder);
            FacetUtil.addFacet(validator.flagIfPresent(facet));
        }
    }


    @Override
    public void refineMetaModelValidator(final MetaModelValidatorComposite metaModelValidator, final IsisConfiguration configuration) {
        metaModelValidator.add(validator);
    }

    @Override
    public void setServicesInjector(final ServicesInjector servicesInjector) {
        super.setServicesInjector(servicesInjector);
        IsisConfiguration configuration = servicesInjector.getConfigurationServiceInternal();
        validator.setConfiguration(configuration);
    }



}
