/**
 * Copyright or © or Copr. Ministère Français chargé de la Culture
 * et de la Communication (2013)
 * <p/>
 * contact.gincoculture_at_gouv.fr
 * <p/>
 * This software is a computer program whose purpose is to provide a thesaurus
 * management solution.
 * <p/>
 * This software is governed by the CeCILL license under French law and
 * abiding by the rules of distribution of free software. You can use,
 * modify and/ or redistribute the software under the terms of the CeCILL
 * license as circulated by CEA, CNRS and INRIA at the following URL
 * "http://www.cecill.info".
 * <p/>
 * As a counterpart to the access to the source code and rights to copy,
 * modify and redistribute granted by the license, users are provided only
 * with a limited warranty and the software's author, the holder of the
 * economic rights, and the successive licensors have only limited liability.
 * <p/>
 * In this respect, the user's attention is drawn to the risks associated
 * with loading, using, modifying and/or developing or reproducing the
 * software by the user in light of its specific status of free software,
 * that may mean that it is complicated to manipulate, and that also
 * therefore means that it is reserved for developers and experienced
 * professionals having in-depth computer knowledge. Users are therefore
 * encouraged to load and test the software's suitability as regards their
 * requirements in conditions enabling the security of their systemsand/or
 * data to be ensured and, more generally, to use and operate it in the
 * same conditions as regards security.
 * <p/>
 * The fact that you are presently reading this means that you have had
 * knowledge of the CeCILL license and that you accept its terms.
 */
package fr.mcc.ginco.services;

import java.util.List;

import javax.inject.Inject;

import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;

import fr.mcc.ginco.beans.ThesaurusConceptGroup;
import fr.mcc.ginco.beans.ThesaurusConceptGroupLabel;
import fr.mcc.ginco.dao.IThesaurusConceptGroupDAO;
import fr.mcc.ginco.dao.IThesaurusConceptGroupLabelDAO;
import fr.mcc.ginco.exceptions.BusinessException;

@Transactional(readOnly = true, rollbackFor = BusinessException.class)
@Service("thesaurusConceptGroupService")
public class ThesaurusConceptGroupServiceImpl implements
		IThesaurusConceptGroupService {

	@Inject
	private IThesaurusConceptGroupDAO thesaurusConceptGroupDAO;

	@Inject
	private IThesaurusConceptGroupLabelDAO thesaurusConceptGroupLabelDAO;

	@Override
	public ThesaurusConceptGroup getConceptGroupById(String conceptGroupId) {
		return thesaurusConceptGroupDAO.getById(conceptGroupId);
	}

	@Transactional(readOnly = false)
	@Override
	public ThesaurusConceptGroup updateThesaurusConceptGroup(ThesaurusConceptGroup conceptGroup, ThesaurusConceptGroupLabel conceptGroupLabel) {
		ThesaurusConceptGroup updated = new ThesaurusConceptGroup();
		if (conceptGroup != null && conceptGroupLabel != null) {
			if (conceptGroup.getParent() != null && conceptGroup.getIdentifier().equals(conceptGroup.getParent().getIdentifier())) {
				throw new BusinessException("Error : a concept group can't be its own parent", "concept-group-not-its-own-parent");
			}
			updated = thesaurusConceptGroupDAO.update(conceptGroup);
			conceptGroupLabel.setConceptGroup(updated);
			thesaurusConceptGroupLabelDAO.update(conceptGroupLabel);
		}
		return updated;
	}

	@Override
	public List<ThesaurusConceptGroup> getAllThesaurusConceptGroupsByThesaurusId(String excludedConceptGroupId,
	                                                                             String thesaurusId) {
		return thesaurusConceptGroupDAO
				.findThesaurusConceptGroupsByThesaurusId(excludedConceptGroupId, thesaurusId);
	}

	@Transactional(readOnly = false)
	@Override
	public ThesaurusConceptGroup destroyThesaurusConceptGroup(
			ThesaurusConceptGroup object) {
		return thesaurusConceptGroupDAO.delete(object);
	}

	@Override
	public List<ThesaurusConceptGroup> getChildGroups(String conceptGroupId) {
		return thesaurusConceptGroupDAO.getChildGroups(conceptGroupId);
	}

}