/**
 * 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.solr;

import java.io.IOException;

import javax.inject.Inject;
import javax.inject.Named;

import org.apache.solr.client.solrj.SolrServer;
import org.apache.solr.client.solrj.SolrServerException;
import org.apache.solr.common.SolrException;
import org.springframework.stereotype.Service;

import fr.mcc.ginco.exceptions.TechnicalException;
import fr.mcc.ginco.services.INoteService;
import fr.mcc.ginco.services.ISplitNonPreferredTermService;
import fr.mcc.ginco.services.IThesaurusConceptService;
import fr.mcc.ginco.services.IThesaurusTermService;

@Service("indexerService")
public class IndexerServiceImpl implements IIndexerService {

	@Inject
	@Named("thesaurusConceptService")
	private IThesaurusConceptService thesaurusConceptService;

	@Inject
	@Named("thesaurusTermService")
	private IThesaurusTermService thesaurusTermService;

	@Inject
	@Named("noteService")
	private INoteService noteService;

	@Inject
	@Named("splitNonPreferredTermService")
	private ISplitNonPreferredTermService splitNonPreferredTermService;

	@Inject
	@Named("termIndexerService")
	private ITermIndexerService termIndexerService;

	@Inject
	@Named("conceptIndexerService")
	private IConceptIndexerService conceptIndexerService;

	@Inject
	@Named("noteIndexerService")
	private INoteIndexerService noteIndexerService;

	@Inject
	@Named("complexConceptIndexerService")
	private IComplexConceptIndexerService complexConceptIndexerService;

	@Inject
	@Named("solrServer")
	private SolrServer solrServer;

	private void removeAllIndex() {
		try {
			solrServer.deleteByQuery("*:*");
			solrServer.commit();
		} catch (SolrServerException e) {
			throw new TechnicalException(
					"Error executing query for clearing SOLR index!", e);
		} catch (IOException e) {
			throw new TechnicalException(
					"IO error during executing query for clearing SOLR index!",
					e);
		} catch (SolrException e) {
			throw new TechnicalException(
					"Error executing query for clearing SOLR index!", e);
		}
	}

	@Override
	public void forceIndexing() throws TechnicalException {
		removeAllIndex();
		conceptIndexerService.addConcepts(thesaurusConceptService
				.getAllConcepts());
		termIndexerService.addTerms(thesaurusTermService.getAllTerms());
		noteIndexerService.addNotes(noteService.getAllNotes());
		complexConceptIndexerService
				.addComplexConcepts(splitNonPreferredTermService
						.getAllSplitNonPreferredTerms());

		try {
			solrServer.optimize();
		} catch (SolrServerException e) {
			throw new TechnicalException(
					"Error executing query for clearing SOLR index!", e);
		} catch (IOException e) {
			throw new TechnicalException(
					"IO error during executing query for clearing SOLR index!",
					e);
		}
	}
}