/**
 * Licensed to Apereo under one or more contributor license agreements. See the NOTICE file
 * distributed with this work for additional information regarding copyright ownership. Apereo
 * 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 the
 * following location:
 *
 * <p>http://www.apache.org/licenses/LICENSE-2.0
 *
 * <p>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.apereo.portal.io.xml.pags;

import com.google.common.base.Function;
import com.google.common.collect.Lists;
import java.util.ArrayList;
import java.util.List;
import java.util.Set;
import org.apereo.portal.groups.pags.dao.IPersonAttributesGroupDefinition;
import org.apereo.portal.groups.pags.dao.IPersonAttributesGroupDefinitionDao;
import org.apereo.portal.io.xml.IPortalData;
import org.apereo.portal.io.xml.IPortalDataType;
import org.apereo.portal.io.xml.SimpleStringPortalData;
import org.springframework.beans.factory.annotation.Autowired;

/**
 * Lists each PAGS Group definition in the database
 *
 */
public class PersonAttributesGroupStoreDataFunction
        implements Function<IPortalDataType, Iterable<? extends IPortalData>> {
    private IPersonAttributesGroupDefinitionDao personAttributesGroupDefinitionDao;

    @Autowired
    public void setPersonAttributesGroupDefinitionDao(
            IPersonAttributesGroupDefinitionDao personAttributesGroupDefinitionDao) {
        this.personAttributesGroupDefinitionDao = personAttributesGroupDefinitionDao;
    }

    @Override
    public Iterable<? extends IPortalData> apply(IPortalDataType input) {
        final Set<IPersonAttributesGroupDefinition> personAttributesGroupDefinitions =
                this.personAttributesGroupDefinitionDao.getPersonAttributesGroupDefinitions();
        List<IPersonAttributesGroupDefinition> pagsDefs =
                new ArrayList<IPersonAttributesGroupDefinition>();
        for (IPersonAttributesGroupDefinition pagsDef : personAttributesGroupDefinitions) {
            pagsDefs.add(pagsDef);
        }
        final List<IPortalData> portalData =
                Lists.transform(
                        pagsDefs,
                        new Function<IPersonAttributesGroupDefinition, IPortalData>() {
                            @Override
                            public IPortalData apply(
                                    IPersonAttributesGroupDefinition personAttributesGroup) {
                                return new SimpleStringPortalData(
                                        personAttributesGroup.getName(),
                                        null,
                                        personAttributesGroup.getDescription());
                            }
                        });

        return portalData;
    }
}