/*
 * This is eMonocot, a global online biodiversity information resource.
 *
 * Copyright © 2011–2015 The Board of Trustees of the Royal Botanic Gardens, Kew and The University of Oxford
 *
 * eMonocot is free software: you can redistribute it and/or modify it under the terms of the
 * GNU Affero General Public License as published by the Free Software Foundation, either version 3
 * of the License, or (at your option) any later version.
 *
 * eMonocot is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even
 * the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Affero General Public License for more details.
 *
 * The complete text of the GNU Affero General Public License is in the source repository as the file
 * ‘COPYING’.  It is also available from <http://www.gnu.org/licenses/>.
 */
package org.emonocot.job.key;

import java.util.List;

import org.emonocot.api.match.Match;
import org.emonocot.api.match.taxon.TaxonMatcher;
import org.emonocot.harvest.common.AbstractRecordAnnotator;
import org.emonocot.model.Annotation;
import org.emonocot.model.Taxon;
import org.emonocot.model.constants.AnnotationCode;
import org.emonocot.model.constants.AnnotationType;
import org.emonocot.model.constants.RecordType;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.batch.item.ItemProcessor;
import org.tdwg.ubif.TaxonName;

/**
 *
 * @author ben
 *
 */
public class LucidTaxonNameProcessor extends AbstractRecordAnnotator implements
ItemProcessor<TaxonName, TaxonName> {
	/**
	 *
	 */
	private Logger logger = LoggerFactory.getLogger(LucidTaxonNameProcessor.class);

	private TaxonMatcher taxonMatcher;

	/**
	 * @param newTaxonMatcher
	 *            the matcher to set
	 */
	public final void setTaxonMatcher(final TaxonMatcher newTaxonMatcher) {
		this.taxonMatcher = newTaxonMatcher;
	}

	/**
	 * @param item
	 *            a taxon name to match
	 * @return a lookup
	 * @throws Exception
	 *             if there is a problem
	 */
	public final TaxonName process(final TaxonName item) throws Exception {

		Taxon object = null;
		AnnotationType annotationType = null;
		AnnotationCode code = null;
		String text = null;

		if (item.getRepresentation() == null) {
			return null;
		} else {
			String taxonName = item.getRepresentation().getLabel();
			List<Match<Taxon>> matches = taxonMatcher.match(taxonName);
			if (matches.size() == 0) {
				annotationType = AnnotationType.Error;
				code = AnnotationCode.Absent;
				text = "No matches found for taxonomic name " + taxonName;

						item.setDebuglabel(null);
			} else if (matches.size() > 1) {
				annotationType = AnnotationType.Error;
				code = AnnotationCode.BadRecord;
				text = matches.size() + " matches found for taxonomic name "
						+ taxonName;

				item.setDebuglabel(null);
			} else {
				annotationType = AnnotationType.Info;
				code = AnnotationCode.Present;
				object = matches.get(0).getInternal();

				text = object.getIdentifier() + " matches taxonomic name "
						+ taxonName;

				item.setDebuglabel(object.getIdentifier());
			}

			Annotation annotation = new Annotation();
			annotation.setJobId(stepExecution.getJobExecutionId());
			annotation.setAnnotatedObj(object);
			annotation.setRecordType(RecordType.Taxon);
			annotation.setCode(code);
			annotation.setType(annotationType);
			annotation.setValue(item.getId());
			annotation.setText(text);
			super.annotate(annotation);
			return item;
		}
	}



}