EDIT

/**

* Copyright (C) 2012 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.io.sdd.ikeyplus;

import java.util.Collection;

import java.util.HashMap;

import java.util.HashSet;

import java.util.List;

import java.util.Map;

import java.util.Set;

import org.apache.logging.log4j.LogManager;

import org.apache.logging.log4j.Logger;

import org.springframework.stereotype.Component;

import eu.etaxonomy.cdm.common.CdmUtils;

import eu.etaxonomy.cdm.common.URI;

import eu.etaxonomy.cdm.io.common.CdmImportBase;

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

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

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

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

import eu.etaxonomy.cdm.model.name.INonViralName;

import eu.etaxonomy.cdm.model.name.Rank;

import eu.etaxonomy.cdm.model.name.TaxonNameFactory;

import eu.etaxonomy.cdm.model.term.TermType;

import eu.etaxonomy.cdm.model.term.TermVocabulary;

import fr.lis.ikeyplus.IO.SDDSaxParser;

import fr.lis.ikeyplus.model.DataSet;

import fr.lis.ikeyplus.model.ICharacter;

import fr.lis.ikeyplus.model.QuantitativeCharacter;

import fr.lis.ikeyplus.model.QuantitativeMeasure;

import fr.lis.ikeyplus.model.SingleAccessKeyNode;

import fr.lis.ikeyplus.model.SingleAccessKeyTree;

import fr.lis.ikeyplus.model.Taxon;

import fr.lis.ikeyplus.services.IdentificationKeyGenerator;

import fr.lis.ikeyplus.utils.Utils;

/**

 * @author andreas

 * @since Sep 18, 2012

 */

@Component

public class IkeyPlusImport extends CdmImportBase<IkeyPlusImportConfigurator, IkeyPlusImportState>{

    private static final long serialVersionUID = -6817762818458834785L;

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

    private TermVocabulary<Feature> featureVoc;

    private PolytomousKey cdmKey;

    public PolytomousKey getCdmKey() {

        return cdmKey;

    }

    public void setCdmKey(PolytomousKey cdmKey) {

        this.cdmKey = cdmKey;

    }

    private Map<String, Feature>featureMap = new HashMap<>();

    public IkeyPlusImport() {

    }

    public PolytomousKey getKey(URI sddUri, Utils utils) throws Exception {

        //TODO move below into configurator

        utils = new Utils();

//        utils.setErrorMessage("foobar"); // Don't do it !!!! risk of NPE

        utils.setFewStatesCharacterFirst(false);

        utils.setMergeCharacterStatesIfSameDiscrimination(false);

        utils.setPruning(false);

        utils.setWeightContext("");

        utils.setWeightType(Utils.GLOBAL_CHARACTER_WEIGHT);

        SDDSaxParser sDDSaxParser = new SDDSaxParser(sddUri.toString(), utils);

        DataSet data = sDDSaxParser.getDataset();

        IdentificationKeyGenerator IkeyGenerator;

        try {

            IkeyGenerator = new IdentificationKeyGenerator(data, utils);

        } catch (Exception e) {

            logger.error("could not generate key", e);

            throw new RuntimeException(e);

        }

        try {

            IkeyGenerator.createIdentificationKey();

        } catch (Exception e) {

            //* IGNORE THIS TIME TO PREVENT FROM CREATING AN ERROR FILE */

        }

        SingleAccessKeyTree singleAccessKey = IkeyGenerator.getSingleAccessKeyTree();

        // TODO idInSource for any cdm entity

        cdmKey = PolytomousKey.NewTitledInstance(singleAccessKey.getLabel() + "_1");

        featureVoc = TermVocabulary.NewInstance(TermType.Feature, Feature.class,

                singleAccessKey.getLabel(), singleAccessKey.getLabel(), null, null);

        Set<PolytomousKeyNode> rootNode = recursivlyCreateKeyNodes(singleAccessKey.getRoot(), null);

//        Assert.assertEquals(1, rootNode.size());

//        cdmKey.setRoot(rootNode.iterator().next());

        persistNewEntities();

        return null;

    }

    private void persistNewEntities() {

        // persist features

        Collection features = featureMap.values();

        getTermService().saveOrUpdate(features);

        getVocabularyService().saveOrUpdate(featureVoc);

        // persist the rest

        getPolytomousKeyService().saveOrUpdate(cdmKey);

    }

    /**

     * @param node

     * @param parentNode may be null if node is the root node

     * @return

     */

    private Set<PolytomousKeyNode> recursivlyCreateKeyNodes(SingleAccessKeyNode node, SingleAccessKeyNode parentNode) {

        boolean isRootNode = (parentNode == null);

        Set<PolytomousKeyNode> pkNodeSet = new HashSet<>();

        if(node == null){

            return pkNodeSet;

        }

        KeyStatement statement = getKeyStatementFrom(node);

        //node.getNodeDescription(); // not needed here, contains warnings etc

        // ---- do the children or taxa

        List<SingleAccessKeyNode> childNodes = node.getChildren();

        PolytomousKeyNode pkNode;

        if(childNodes == null || childNodes.size() == 0 ){

            // do the taxa

            List<Taxon> taxa = node.getRemainingTaxa();

            for(Taxon taxon : taxa){

                pkNode = createPkNode(null, statement);

                //TODO handle rank

                INonViralName nonViralName = TaxonNameFactory.NewNonViralInstance(Rank.UNKNOWN_RANK());

                nonViralName.setTitleCache(taxon.getName(), true);

                eu.etaxonomy.cdm.model.taxon.Taxon cdmTaxon = eu.etaxonomy.cdm.model.taxon.Taxon.NewInstance(

                        nonViralName, null); //FIXME !!!!!!

                // TODO add taxon to covered taxa

                // TODO media: get media from the parent node

                pkNode.setTaxon(cdmTaxon);

                pkNodeSet.add(pkNode);

            }

        } else {

            // do the children

            Feature feature = getFeatureFrom(childNodes.iterator().next().getCharacter());

            pkNode = createPkNode(feature, statement);

            for(SingleAccessKeyNode childNode : childNodes){

                Set<PolytomousKeyNode> nodesToAdd = recursivlyCreateKeyNodes(childNode, node);

                for(PolytomousKeyNode nodeToAdd : nodesToAdd){

                    pkNode.addChild(nodeToAdd);

                }

            }

            pkNodeSet.add(pkNode);

            if(isRootNode) {

                cdmKey.setRoot(pkNode);

            }

        }

        return pkNodeSet;

    }

    public PolytomousKeyNode createPkNode(Feature feature, KeyStatement statement) {

        PolytomousKeyNode pkNode;

        pkNode = PolytomousKeyNode.NewInstance();

        pkNode.setKey(cdmKey);

        pkNode.setFeature(feature);

        pkNode.setStatement(statement);

        return pkNode;

    }

    public KeyStatement getKeyStatementFrom(SingleAccessKeyNode node) {

        String label;

        if(node.getCharacterState() instanceof QuantitativeMeasure){

            label = ((QuantitativeMeasure) node.getCharacterState())

                    .toStringInterval(((QuantitativeCharacter) node.getCharacter())

                            .getMeasurementUnit());

        } else {

            label = node.getStringStates();

        }

        if (CdmUtils.isBlank(label)){

            return null;

        }else{

            return KeyStatement.NewInstance(label);

        }

    }

    private Feature getFeatureFrom(ICharacter character) {

        if(!featureMap.containsKey(character.getId())){

            String featureLabel = character.getName();

            Feature newFeature = Feature.NewInstance(featureLabel, featureLabel, null);

            featureVoc.addTerm(newFeature);

            featureMap.put(character.getId(),

                    newFeature);

        }

        return featureMap.get(character.getId());

    }

    @Override

    protected void doInvoke(IkeyPlusImportState state) {

        Utils utils = null;

        try {

            this.getKey(state.getConfig().getSource(), utils);

        } catch (Exception e) {

            e.printStackTrace();

        }

    }

    @Override

    protected boolean doCheck(IkeyPlusImportState state) {

        // TODO Auto-generated method stub

        return false;

    }

    @Override

    protected boolean isIgnore(IkeyPlusImportState state) {

        // TODO Auto-generated method stub

        return false;

    }

}