/**
 * 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 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.crn.AbstractDom4jExporter;
import org.dom4j.Element;
import org.springframework.beans.factory.annotation.Autowired;

/**
 * Exports a PAGS Group definition data file
 *
 */
public class PersonAttributesGroupStoreExporter extends AbstractDom4jExporter {
    private IPersonAttributesGroupDefinitionDao personAttributesGroupDefinitionDao;

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

    @Override
    protected Element exportDataElement(String name) {
        final Set<IPersonAttributesGroupDefinition> personAttributesGroupDefinitions =
                personAttributesGroupDefinitionDao.getPersonAttributesGroupDefinitionByName(name);

        if (personAttributesGroupDefinitions.isEmpty()) {
            return null;
        }

        final org.dom4j.Document pagsGroupDefDoc = new org.dom4j.DocumentFactory().createDocument();
        final Element pagsGroupDefElement = pagsGroupDefDoc.addElement("pags-group");
        pagsGroupDefElement.addAttribute(
                "script", "classpath://org/jasig/portal/io/import-pags-group_v4-1.crn");
        personAttributesGroupDefinitions.iterator().next().toElement(pagsGroupDefElement);

        return pagsGroupDefElement;
    }
}