/**
 * 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 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.client.solrj.response.QueryResponse;
import org.apache.solr.common.SolrDocumentList;
import org.apache.solr.common.params.ModifiableSolrParams;
import org.springframework.stereotype.Service;

@Service("searcherService")
public class SearcherServiceImpl implements ISearcherService {

	@Inject
	private SearcherServiceUtil searcherServiceUtil;

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

	@Override
	public SearchResultList search(String request, Integer type,
	                               String thesaurus, Integer status, String createdFrom,
	                               String modifiedFrom, String language, SortCriteria sort, int startIndex, int limit)
			throws SolrServerException {

		ModifiableSolrParams params = new ModifiableSolrParams();
		params.set(SolrParam.DEF_TYPE, SolrConstants.EDISMAX);
		params.set(SolrParam.QUERY_FIELDS, SolrField.LEXICALVALUE + "^1.0 "
				+ SolrField.NOTES + "^0.5 " + SolrField.TEXT + "^0.1");
		params.set(SolrParam.FILTER, "*," + SolrConstants.SCORE);
		params.set(SolrParam.SORT, sort.getSolrSortString());
		params.set(SolrParam.QUERY, request);
		params.set(SolrParam.START, startIndex);
		params.set(SolrParam.ROWS, limit);

		params.set(
				SolrParam.FILTER_QUERY,
				searcherServiceUtil.addAndQuery(SolrField.CREATED, createdFrom, true, false)
						+ searcherServiceUtil.addAndQuery(SolrField.MODIFIED, modifiedFrom, true, false)
						+ searcherServiceUtil.addAndQuery(SolrField.THESAURUSID, thesaurus, null, true)
						+ searcherServiceUtil.addAndQuery(SolrField.STATUS, status, null, false)
						+ searcherServiceUtil.addAndQuery(SolrField.LANGUAGE, language, null, false)
						+ searcherServiceUtil.getExtTypeQuery(type)
		);

		QueryResponse response = solrServer.query(params);
		SolrDocumentList solrresults = response.getResults();
		return searcherServiceUtil.getSearchResultList(solrresults);
	}
}