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/**

* Copyright (C) 2007 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.model.taxon;

import java.util.ArrayList;

import java.util.Calendar;

import java.util.Collections;

import java.util.List;

import java.util.UUID;

import org.apache.log4j.Logger;

import org.junit.Assert;

import org.junit.Before;

import org.junit.Test;

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

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

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

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

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

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

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

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

//import eu.etaxonomy.cdm.model.reference.Book;

import eu.etaxonomy.cdm.model.reference.Reference;

import eu.etaxonomy.cdm.model.reference.ReferenceFactory;

import eu.etaxonomy.cdm.test.unit.EntityTestBase;

/**

 * @author a.mueller

 * @since 04.03.2016

 */

public class HomotypicGroupTaxonComparatorTest extends EntityTestBase {

    @SuppressWarnings("unused")

    private static final Logger logger = Logger.getLogger(HomotypicGroupTaxonComparatorTest.class);

    private Reference sec;

    private Reference ref1;

    private Reference ref2;

    private Reference ref3;

    private Calendar cal1;

    private Calendar cal2;

    private Calendar cal3;

    private TaxonName botName1;

    private TaxonName botName2;

    private TaxonName botName3;

    private TaxonName botName4;

    private TaxonName botName5;

    private List<TaxonBase<?>> list;

    private Taxon taxon1;

    private Synonym synonym2;

    private Synonym synonym3;

    @Before

    public void setUp() throws Exception {

        sec = ReferenceFactory.newBook();

        ref1 = ReferenceFactory.newBook();

        ref2 = ReferenceFactory.newBook();

        ref3 = ReferenceFactory.newBook();

        cal1 = Calendar.getInstance();

        cal2 = Calendar.getInstance();

        cal3 = Calendar.getInstance();

        cal1.set(1856, 3, 2);

        cal2.set(1943, 3, 2);

        cal3.set(1945, 3, 2);

        ref1.setDatePublished(VerbatimTimePeriod.NewVerbatimInstance(cal1));

        ref2.setDatePublished(VerbatimTimePeriod.NewVerbatimInstance(cal2));

        ref3.setDatePublished(VerbatimTimePeriod.NewVerbatimInstance(cal3));

        botName1 =  TaxonNameFactory.NewBotanicalInstance(Rank.SPECIES());

        botName2 =  TaxonNameFactory.NewBotanicalInstance(Rank.SPECIES());

        botName3 =  TaxonNameFactory.NewBotanicalInstance(Rank.SPECIES());

        botName4 =  TaxonNameFactory.NewBotanicalInstance(Rank.SPECIES());

        botName5 =  TaxonNameFactory.NewBotanicalInstance(Rank.SPECIES());

        setNameParts(botName1, "Aaa", "aaa");

        setNameParts(botName2, "Bbb", "bbb");

        setNameParts(botName3, "Ccc", "ccc");

        setNameParts(botName4, "Ddd", "ddd");

        setNameParts(botName5, "Eee", "eee");

//        zooName1.setPublicationYear(1823);

        list = new ArrayList<>();

        taxon1 = Taxon.NewInstance(botName1, sec);

    }

    private void setNameParts(INonViralName name, String genus, String speciesEpi) {

        name.setGenusOrUninomial(genus);

        name.setSpecificEpithet(speciesEpi);

        name.getTitleCache();

    }

/******************** TESTS *****************************************************/

    @Test

    public void testCompare_BasionymGroupsTogether() {

        //2 basionym groups

        HomotypicalGroup homotypicalGroup = botName2.getHomotypicalGroup();

        taxon1.addHeterotypicSynonymName(botName3);

        taxon1.addHeterotypicSynonymName(botName5, null, null, homotypicalGroup);

        botName3.addBasionym(botName5);

        synonym2 = taxon1.addHeterotypicSynonymName(botName2);

        taxon1.addHeterotypicSynonymName(botName4, null, null, homotypicalGroup);

        botName2.addBasionym(botName4);

        list.addAll(taxon1.getSynonyms());

        Collections.sort(list, new HomotypicGroupTaxonComparator(null));

        Assert.assertEquals("basionym for first group should come first", botName4, list.get(0).getName());

        Assert.assertEquals(botName2, list.get(1).getName());

        Assert.assertEquals(botName5, list.get(2).getName());

        Assert.assertEquals(botName3, list.get(3).getName());

        //add replaced synonym relation between basionyms

        botName4.addReplacedSynonym(botName5, null, null, null, null);

        Collections.sort(list, new HomotypicGroupTaxonComparator(null));

        Assert.assertEquals("basionym of second group should come first now as it is the replaced synonym",

                            botName5, list.get(0).getName());

        Assert.assertEquals(botName3, list.get(1).getName());

        Assert.assertEquals("replacement name should come after replaced synonym but first in basionym group",

                            botName4, list.get(2).getName());

        Assert.assertEquals(botName2, list.get(3).getName());

        //set a name as first name

        Collections.sort(list, new HomotypicGroupTaxonComparator(synonym2));

        Assert.assertEquals("name2 should come first now",

                            botName2, list.get(0).getName());

        Assert.assertEquals("name2 should be followed by its basionym", botName4, list.get(1).getName());

        Assert.assertEquals("other basionym group should come later but with basionym first",

                            botName5, list.get(2).getName());

        Assert.assertEquals(botName3, list.get(3).getName());

    }

    @Test

    public void testCompare_BasionymGroupsSeparated() {

        //2 basionym groups in 2 homotypic groups

        synonym3 = taxon1.addHeterotypicSynonymName(botName3);

        taxon1.addHeterotypicSynonymName(botName5);

        botName3.addBasionym(botName5);  //also merges homotypic groups

        taxon1.addHeterotypicSynonymName(botName2);

        taxon1.addHeterotypicSynonymName(botName4);

        botName2.addBasionym(botName4);

        list.addAll(taxon1.getSynonyms());

        UUID uuidFirst = UUID.fromString("000000972-d164-4cb5-9a1e-d6216cc858f6");

        UUID uuidSecond = UUID.fromString("ffffff972-d164-4cb5-9a1e-d6216cc858f6");

        Assert.assertTrue(uuidFirst.toString().compareTo(uuidSecond.toString())<-1);

        botName4.getHomotypicalGroup().setUuid(uuidFirst);

        botName5.getHomotypicalGroup().setUuid(uuidSecond);

        //start test

        Collections.sort(list, new HomotypicGroupTaxonComparator(null));

        Assert.assertEquals("basionym for first group should come first", botName4, list.get(0).getName());

        Assert.assertEquals(botName2, list.get(1).getName());

        Assert.assertEquals(botName5, list.get(2).getName());

        Assert.assertEquals(botName3, list.get(3).getName());

        //set a name as first name

        //TODO

        //first taxon in group should have an impact only for the homotypic group to which it belongs

        //but this is still under discussion and may change in future

        Collections.sort(list, new HomotypicGroupTaxonComparator(synonym3));

        Assert.assertEquals(botName4, list.get(0).getName());

        Assert.assertEquals(botName2, list.get(1).getName());

        Assert.assertEquals(botName3, list.get(2).getName());

        Assert.assertEquals(botName5, list.get(3).getName());

    }

    @Test

    public void testCompare_BasionymGroupsSomeWithYears() {

        //2 basionym groups, 1 new combination with year (botName2) and 1 basionym with year (botName5)

        //The later should come first according to the rules, though alphabetically being

        //basionym botName4

        botName2.setNomenclaturalReference(ref2);

        botName5.setNomenclaturalReference(ref3);

        HomotypicalGroup homotypicalGroup = botName2.getHomotypicalGroup();

        taxon1.addHeterotypicSynonymName(botName3);

        taxon1.addHeterotypicSynonymName(botName5, null, null, homotypicalGroup);

        botName3.addBasionym(botName5);

        synonym2 = taxon1.addHeterotypicSynonymName(botName2);

        taxon1.addHeterotypicSynonymName(botName4, null, null, homotypicalGroup);

        botName2.addBasionym(botName4);

        list.addAll(taxon1.getSynonyms());

        Collections.sort(list, new HomotypicGroupTaxonComparator(null));

        Assert.assertEquals("basionym with date should comes first", botName5, list.get(0).getName());

        Assert.assertEquals(botName3, list.get(1).getName());

        Assert.assertEquals(botName4, list.get(2).getName());

        Assert.assertEquals(botName2, list.get(3).getName());

        //even with nom. illeg. the name with date should come first

        NomenclaturalStatus illegStatus = NomenclaturalStatus.NewInstance(NomenclaturalStatusType.ILLEGITIMATE());

        botName5.addStatus(illegStatus);

        Assert.assertEquals("basionym with date should comes first", botName5, list.get(0).getName());

        Assert.assertEquals(botName3, list.get(1).getName());

        Assert.assertEquals(botName4, list.get(2).getName());

        Assert.assertEquals(botName2, list.get(3).getName());

        //add replaced synonym relation between basionyms

        botName5.addReplacedSynonym(botName4, null, null, null, null);

        Collections.sort(list, new HomotypicGroupTaxonComparator(null));

        Assert.assertEquals("basionym of second group should come first now as it is the replaced synonym",

                            botName4, list.get(0).getName());

        Assert.assertEquals(botName2, list.get(1).getName());

        Assert.assertEquals("replacement name should come after replaced synonym but first in basionym group",

                            botName5, list.get(2).getName());

        Assert.assertEquals(botName3, list.get(3).getName());

    }

    @Test

    public void testCompare_BasionymGroupsWithRanks1() {

        botName2.setRank(Rank.VARIETY());

        botName2.setInfraSpecificEpithet("varbbbb");

        botName3.setRank(Rank.VARIETY());

        botName3.setInfraSpecificEpithet("subspccc");

        botName4.setRank(Rank.SUBSPECIES());

        botName4.setInfraSpecificEpithet("subspddd");

        HomotypicalGroup homotypicalGroup = botName2.getHomotypicalGroup();

        taxon1.addHeterotypicSynonymName(botName3);

        taxon1.addHeterotypicSynonymName(botName5, null, null, homotypicalGroup);

        botName3.addBasionym(botName5);

        synonym2 = taxon1.addHeterotypicSynonymName(botName2);

        taxon1.addHeterotypicSynonymName(botName4, null, null, homotypicalGroup);

        botName2.addBasionym(botName4);

        list.addAll(taxon1.getSynonyms());

        Collections.sort(list, new HomotypicGroupTaxonComparator(null));

        Assert.assertEquals("basionym with rank species should comes first", botName5, list.get(0).getName());

        Assert.assertEquals(botName3, list.get(1).getName());

        Assert.assertEquals(botName4, list.get(2).getName());

        Assert.assertEquals(botName2, list.get(3).getName());

        //add replaced synonym relation between basionyms

        botName5.addReplacedSynonym(botName4, null, null, null, null);

        Collections.sort(list, new HomotypicGroupTaxonComparator(null));

        Assert.assertEquals("basionym of second group should come first now as it is the replaced synonym",

                            botName4, list.get(0).getName());

        Assert.assertEquals(botName2, list.get(1).getName());

        Assert.assertEquals("replacement name should come after replaced synonym but first in basionym group",

                            botName5, list.get(2).getName());

        Assert.assertEquals(botName3, list.get(3).getName());

    }

    @Test

    public void testCompare_BasionymGroupsWithRanks2() {

        botName2.setRank(Rank.VARIETY());

        botName2.setInfraSpecificEpithet("varbbbb");

        botName3.setRank(Rank.VARIETY());

        botName3.setInfraSpecificEpithet("subspccc");

        botName4.setRank(Rank.SUBSPECIES());

        botName4.setInfraSpecificEpithet("subspddd");

        botName5.setRank(Rank.VARIETY());

        botName5.setInfraSpecificEpithet("vareee");

        HomotypicalGroup homotypicalGroup = botName2.getHomotypicalGroup();

        taxon1.addHeterotypicSynonymName(botName3);

        taxon1.addHeterotypicSynonymName(botName5, null, null, homotypicalGroup);

        botName3.addBasionym(botName5);

        synonym2 = taxon1.addHeterotypicSynonymName(botName2);

        taxon1.addHeterotypicSynonymName(botName4, null, null, homotypicalGroup);

        botName2.addBasionym(botName5);

        botName4.addBasionym(botName5);

        list.addAll(taxon1.getSynonyms());

        Collections.sort(list, new HomotypicGroupTaxonComparator(null));

        Assert.assertEquals("basionym should comes first", botName5, list.get(0).getName());

        Assert.assertEquals("subspecies should come next", botName4, list.get(1).getName());

        Assert.assertEquals("variety with b should come next", botName2, list.get(2).getName());

        Assert.assertEquals("variety with c should come last", botName3, list.get(3).getName());

    }

    @Test

    public void testCompare_BasionymGroupsWithNomIlleg() {

        NomenclaturalStatus illegStatus = NomenclaturalStatus.NewInstance(NomenclaturalStatusType.ILLEGITIMATE());

        botName4.addStatus(illegStatus);

        //2 basionym groups

        HomotypicalGroup homotypicalGroup = botName2.getHomotypicalGroup();

        taxon1.addHeterotypicSynonymName(botName3);

        taxon1.addHeterotypicSynonymName(botName5, null, null, homotypicalGroup);

        botName3.addBasionym(botName5);

        synonym2 = taxon1.addHeterotypicSynonymName(botName2);

        taxon1.addHeterotypicSynonymName(botName4, null, null, homotypicalGroup);

//        botName2.addBasionym(botName4);

        list.addAll(taxon1.getSynonyms());

        Collections.sort(list, new HomotypicGroupTaxonComparator(null));

        Assert.assertEquals("basionym for non nom. illeg. group should come first", botName2, list.get(0).getName());

        Assert.assertEquals(botName5, list.get(1).getName());

        Assert.assertEquals(botName3, list.get(2).getName());

        Assert.assertEquals("Nom illeg should come last", botName4, list.get(3).getName());

        //name having a nom. illeg. as basionym should stay in its basionym group

        //NOTE: this is dirty data as nom. illeg. is not allowed as basionym by the code

        botName2.addBasionym(botName4);

        Collections.sort(list, new HomotypicGroupTaxonComparator(null));

        Assert.assertEquals("basionym for non nom. illeg. group should come first", botName5, list.get(0).getName());

        Assert.assertEquals(botName3, list.get(1).getName());

        Assert.assertEquals("Nom illeg basionym group should come last", botName4, list.get(2).getName());

        Assert.assertEquals("Names with nom. illeg. as basionym should stay in basionym group", botName2, list.get(3).getName());

        //non basionym nom. illeg. should not change the order

        botName4.removeStatus(illegStatus);

        botName2.addStatus(illegStatus);

        Collections.sort(list, new HomotypicGroupTaxonComparator(null));

        Assert.assertEquals("basionym for non nom. illeg. group should come first", botName4, list.get(0).getName());

        Assert.assertEquals(botName2, list.get(1).getName());

        Assert.assertEquals("Nom illeg basionym group should come last", botName5, list.get(2).getName());

        Assert.assertEquals("Names with nom. illeg. as basionym should stay in basionym group", botName3, list.get(3).getName());

    }

    @Test  //failing selenium test

    public void testCompare_NomIllegWithDate() {

        NomenclaturalStatus illegStatus = NomenclaturalStatus.NewInstance(NomenclaturalStatusType.ILLEGITIMATE());

        botName3.addStatus(illegStatus);

        botName3.setNomenclaturalReference(ref1);

        botName2.setNomenclaturalReference(ref2);

        taxon1.addHomotypicSynonymName(botName3);

        taxon1.addHomotypicSynonymName(botName2);

        list.addAll(taxon1.getSynonyms());

        Collections.sort(list, new HomotypicGroupTaxonComparator(taxon1));

        Assert.assertEquals("Earlier nom. illeg. should come next", botName3, list.get(0).getName());

        Assert.assertEquals("Later name should come last", botName2, list.get(1).getName());

    }

    @Test

    public void testCompare_NoCircularProblemsWithBasionyms() {

        taxon1.addHomotypicSynonymName(botName3);

        taxon1.addHomotypicSynonymName(botName5);

        botName3.addBasionym(botName5);

        Assert.assertEquals(botName1.getHomotypicalGroup(), botName5.getHomotypicalGroup());

        botName5.addBasionym(botName1);

        botName1.addBasionym(botName3);

        list.addAll(taxon1.getSynonyms());

        list.add(taxon1);

        Collections.sort(list, new HomotypicGroupTaxonComparator(null));

        Assert.assertEquals(botName1, list.get(0).getName());

        Assert.assertEquals(botName3, list.get(1).getName());

        Assert.assertEquals(botName5, list.get(2).getName());

        //additional basionym for botName3

        taxon1.addHomotypicSynonymName(botName2);

        Assert.assertEquals(botName1.getHomotypicalGroup(), botName2.getHomotypicalGroup());

        botName3.addBasionym(botName2);

        list.clear();

        list.addAll(taxon1.getSynonyms());

        list.add(taxon1);

        Collections.sort(list, new HomotypicGroupTaxonComparator(null));

        Assert.assertEquals(botName1, list.get(0).getName());

        Assert.assertEquals(botName2, list.get(1).getName());

        Assert.assertEquals(botName3, list.get(2).getName());

        Assert.assertEquals(botName5, list.get(3).getName());

    }

    @Test

    public void testCompare_NoCircularProblemsWithReplacedSynonyms() {

        taxon1.addHomotypicSynonymName(botName3);

        taxon1.addHomotypicSynonymName(botName5);

        botName3.addReplacedSynonym(botName5, null, null, null, null);

        Assert.assertEquals(botName1.getHomotypicalGroup(), botName5.getHomotypicalGroup());

        botName5.addReplacedSynonym(botName1, null, null, null, null);

        botName1.addReplacedSynonym(botName3, null, null, null, null);

        list.addAll(taxon1.getSynonyms());

        list.add(taxon1);

        Collections.sort(list, new HomotypicGroupTaxonComparator(null));

        Assert.assertEquals(botName1, list.get(0).getName());

        Assert.assertEquals(botName3, list.get(1).getName());

        Assert.assertEquals(botName5, list.get(2).getName());

    }

}