EDIT

// $Id$

/**

* Copyright (C) 2009 EDIT

* European Distributed Institute of Taxonomy 

* http://www.e-taxonomy.eu

* 

* The contents of this file are subject to the Mozilla Public License Version 1.1

* See LICENSE.TXT at the top of this package for the full license terms.

*/

package eu.etaxonomy.cdm.ext.geo;

import java.awt.Color;

import java.util.ArrayList;

import java.util.HashSet;

import java.util.List;

import java.util.Map;

import java.util.Set;

import org.apache.log4j.Logger;

import org.springframework.beans.factory.annotation.Autowired;

import org.springframework.stereotype.Service;

import org.springframework.transaction.annotation.Transactional;

import eu.etaxonomy.cdm.model.common.Language;

import eu.etaxonomy.cdm.model.description.Distribution;

import eu.etaxonomy.cdm.model.description.Feature;

import eu.etaxonomy.cdm.model.description.IndividualsAssociation;

import eu.etaxonomy.cdm.model.description.PresenceAbsenceTermBase;

import eu.etaxonomy.cdm.model.description.TaxonDescription;

import eu.etaxonomy.cdm.model.location.Point;

import eu.etaxonomy.cdm.model.occurrence.DerivedUnitBase;

import eu.etaxonomy.cdm.model.occurrence.FieldObservation;

import eu.etaxonomy.cdm.model.occurrence.SpecimenOrObservationBase;

import eu.etaxonomy.cdm.model.taxon.Taxon;

import eu.etaxonomy.cdm.persistence.dao.common.IDefinedTermDao;

import eu.etaxonomy.cdm.persistence.dao.description.IDescriptionDao;

import eu.etaxonomy.cdm.persistence.dao.occurrence.IOccurrenceDao;

/**

 * @author a.kohlbecker

 * @date 18.06.2009

 *

 */

@Service

@Transactional(readOnly=true)

public class EditGeoService implements IEditGeoService{

	public static final Logger logger = Logger.getLogger(EditGeoService.class);

	private static final String DEFAULT_BACK_LAYER = "tdwg4";

	@Autowired

	private IDescriptionDao dao;

	private IDefinedTermDao termDao;

	@Autowired

	public void setTermDao(IDefinedTermDao termDao) {

		this.termDao = termDao;

		EditGeoServiceUtilities.setTermDao(termDao);

	}

	@Autowired

	private IOccurrenceDao occurrenceDao;

	private Set<Feature> getDistributionFeatures() {

		Set<Feature> distributionFeature = new HashSet<Feature>();

		Feature feature = (Feature) termDao.findByUuid(Feature.DISTRIBUTION().getUuid());

		distributionFeature.add(feature);

		return distributionFeature;

	}

	/* (non-Javadoc)

	 * @see eu.etaxonomy.cdm.ext.IEditGeoService#getEditGeoServiceUrlParameterString(java.util.List, java.util.Map, int, int, java.lang.String, java.lang.String, java.util.List)

	 */

	public String getDistributionServiceRequestParameterString(

			List<TaxonDescription> taxonDescriptions,

			Map<PresenceAbsenceTermBase<?>, Color> presenceAbsenceTermColors,

			int width, int height, String bbox, String backLayer,

			List<Language> langs) {

		Set<Distribution> distributions = new HashSet<Distribution>();

		for(TaxonDescription taxonDescription : taxonDescriptions){

			List<Distribution> result = (List)dao.getDescriptionElements(taxonDescription, getDistributionFeatures(), Distribution.class, null, null, null);

			distributions.addAll(result);

		}

		if(backLayer == null){

			backLayer = DEFAULT_BACK_LAYER;

		}

		String uriParams = EditGeoServiceUtilities.getDistributionServiceRequestParameterString(distributions, presenceAbsenceTermColors, width, height, bbox, backLayer, null, langs);

		return uriParams;

	}

	/* (non-Javadoc)

	 * @see eu.etaxonomy.cdm.ext.IEditGeoService#getEditGeoServiceUrlParameterString(eu.etaxonomy.cdm.model.description.TaxonDescription, java.util.Map, int, int, java.lang.String, java.lang.String)

	 */

	public String getDistributionServiceRequestParameterString(

			TaxonDescription taxonDescription,

			Map<PresenceAbsenceTermBase<?>, Color> presenceAbsenceTermColors,

			int width, int height, String bbox, String backLayer,

			List<Language> langs) {

		List<TaxonDescription> taxonDescriptions = new ArrayList<TaxonDescription>();

		taxonDescriptions.add(taxonDescription);

		return getDistributionServiceRequestParameterString(taxonDescriptions, presenceAbsenceTermColors, width, height, bbox, backLayer, langs);

	}

	/* (non-Javadoc)

	 * @see eu.etaxonomy.cdm.api.service.IEditGeoService#getEditGeoServiceUrlParameterString(eu.etaxonomy.cdm.model.taxon.Taxon, java.util.Map, int, int, java.lang.String, java.lang.String)

	 */

	public String getDistributionServiceRequestParameterString(Taxon taxon,

			Map<PresenceAbsenceTermBase<?>, Color> presenceAbsenceTermColors, int width, int height, String bbox,

			String backLayer,

			List<Language> langs) {

		List<TaxonDescription> taxonDescriptions = dao.getTaxonDescriptions(taxon, null, null, null, null, null);

		Set<Distribution> distCollection = new HashSet<Distribution>();

		// get descriptions elements for each description

		for (TaxonDescription td : taxonDescriptions) {

			List<Distribution> dists = (List)dao.getDescriptionElements(td, getDistributionFeatures(), Distribution.class, null, null, null);

			distCollection.addAll(dists);

		}

		// generate the uri parameter string

		if(backLayer == null){

			backLayer = DEFAULT_BACK_LAYER;

		}

		String uriParams = EditGeoServiceUtilities.getDistributionServiceRequestParameterString(distCollection,

			presenceAbsenceTermColors, width, height, bbox, backLayer, null, langs);

		return uriParams;

	}

	/* (non-Javadoc)

	 * @see eu.etaxonomy.cdm.ext.geo.IEditGeoService#getOccurrenceServiceRequestParameterString(eu.etaxonomy.cdm.model.description.TaxonDescription, java.util.Map, int, int, java.lang.String, java.lang.String)

	 */

	@Override

	public String getOccurrenceServiceRequestParameterString(

			List<SpecimenOrObservationBase> specimensOrObersvations,

			Map<Class<? extends SpecimenOrObservationBase>, Color> specimenOrObservationTypeColors, Boolean doReturnImage,

			Integer width, Integer height, String bbox, String backLayer) {

			List<Point> fieldObservationPoints = new ArrayList<Point>();

			List<Point> derivedUnitPoints = new ArrayList<Point>();

			IndividualsAssociation individualsAssociation;

			DerivedUnitBase derivedUnit;

			for(SpecimenOrObservationBase specimenOrObservationBase : specimensOrObersvations){

				SpecimenOrObservationBase<?> specimenOrObservation = occurrenceDao.load(specimenOrObservationBase.getUuid());

				if(specimenOrObservation instanceof FieldObservation){

					fieldObservationPoints.add(((FieldObservation)specimenOrObservation).getGatheringEvent().getExactLocation());

				} 

				if(specimenOrObservation instanceof DerivedUnitBase<?>){						

					registerDerivedUnitLocations((DerivedUnitBase)specimenOrObservation, derivedUnitPoints);

				}			

			}

		return EditGeoServiceUtilities.getOccurrenceServiceRequestParameterString(

						fieldObservationPoints, derivedUnitPoints,

						specimenOrObservationTypeColors, doReturnImage , width,

						height, bbox, backLayer);

	}

	/**

	 * @param derivedUnit

	 * @param derivedUnitPoints

	 */

	private void registerDerivedUnitLocations(DerivedUnitBase<?> derivedUnit,

			List<Point> derivedUnitPoints) {

		Set<SpecimenOrObservationBase> originals = derivedUnit.getOriginals();

		if(originals != null){

			for (SpecimenOrObservationBase original : originals) {

				if (original instanceof FieldObservation) {

					Point point =  ((FieldObservation) original).getGatheringEvent().getExactLocation();

					if(point != null){

						//FIXME: remove next statement after DerivedUnitFacade or ABCD import is fixed

						if(point.getLatitude() == 0.0 && point.getLongitude() == 0.0){

							continue;

						}

						derivedUnitPoints.add(point);

					}

				} else {

					registerDerivedUnitLocations((DerivedUnitBase) original, derivedUnitPoints);

				}

			}

		}

	}

}