EDIT

/**

* Copyright (C) 2017 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.tropicos.in;

import java.net.URISyntaxException;

import java.util.Map;

import java.util.Set;

import java.util.UUID;

import org.springframework.stereotype.Component;

import eu.etaxonomy.cdm.api.service.dto.IdentifiedEntityDTO;

import eu.etaxonomy.cdm.api.service.pager.Pager;

import eu.etaxonomy.cdm.common.CdmUtils;

import eu.etaxonomy.cdm.common.URI;

import eu.etaxonomy.cdm.io.csv.in.CsvImportBase;

import eu.etaxonomy.cdm.model.agent.TeamOrPersonBase;

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

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

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

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

import eu.etaxonomy.cdm.model.media.ExternalLinkType;

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

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

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

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

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

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

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

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

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

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

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

import eu.etaxonomy.cdm.persistence.query.MatchMode;

import eu.etaxonomy.cdm.strategy.exceptions.UnknownCdmTypeException;

import eu.etaxonomy.cdm.strategy.parser.NonViralNameParserImpl;

import eu.etaxonomy.cdm.strategy.parser.TimePeriodParser;

/**

 * @author a.mueller

 * @since 15.11.2017

 */

@Component

public class TropicosNameImport<STATE extends TropicosNameImportState>

        extends CsvImportBase<TropicosNameImportConfigurator, STATE, TaxonName>{

    private static final long serialVersionUID = -4111479364751713088L;

    private static final String INPUT_FULLNAME_WITH_AUTHORS = "FullnameWithAuthors";

    private static final String INPUT_FULL_NAME_NO_AUTHORS = "FullnameNoAuthors";

    private static final String INPUT_SOURCE_ID = "SourceID";

    private static final String OUTPUT_NAME_ID = "OutputNameID";

    private static final String OUTPUT_HOW_MATCHED = "OutputHowMatched";

    private static final String OUTPUT_FULL_NAME_WITH_AUTHORS = "OutputFullNameWithAuthors";

    private static final String OUTPUT_ABBREV_TITLE = "OutputAbbreviatedTitle";

    private static final String OUTPUT_COLLATION = "OutputCollation";

    private static final String OUTPUT_VOLUME = "OutputVolume";

    private static final String OUTPUT_ISSUE = "OutputIssue";

    private static final String OUTPUT_PAGE = "OutputPage";

    private static final String OUTPUT_TITLE_PAGE_YEAR = "OutputTitlePageYear";

    private static final String OUTPUT_YEAR_PUBLISHED = "OutputYearPublished";

    private static final String OUTPUT_NOM_STATUS = "OutputNomenclatureStatus";

    private static final String OUTPUT_BHL_LINK = "OutputBHLLink";

    private static final String OUTPUT_BATCH_ID = "OutputBatchID";

    private static final String NOM_PUB_TYPE = "NomPubType";

    private static final String IPNI_ID = "IPNI-ID";

    @Override

    protected void handleSingleLine(STATE state) {

        TaxonName name = makeName(state);

        if (name == null){

            return;

        }

        if (checkAndAddIdentifier(state, name, INPUT_SOURCE_ID,

                state.getConfig().isAllowWfoDuplicates(), DefinedTerm.IDENTIFIER_NAME_WFO())){

            return;

        }

        if (checkAndAddIdentifier(state, name, IPNI_ID,

                state.getConfig().isAllowIpniDuplicates(), DefinedTerm.IDENTIFIER_NAME_IPNI())){

            return;

        }

        if (checkAndAddIdentifier(state, name, OUTPUT_NAME_ID,

                state.getConfig().isAllowTropicosDuplicates(), DefinedTerm.IDENTIFIER_NAME_TROPICOS())){

            return;

        }

        Map<String, String> record = state.getCurrentRecord();

        makeReference(state, name);

        makeProtologue(state, name);

        makeNomStatus(state, name);

        if (record.get(OUTPUT_HOW_MATCHED) != null){

            //ignore

        }

        if (record.get(OUTPUT_ISSUE) != null){

            //ignore

        }

        if (record.get(OUTPUT_BATCH_ID) != null){

            //ignore

        }

        if (record.get(OUTPUT_COLLATION) != null){

            //ignore

        }

        state.getDeduplicationHelper().replaceAuthorNamesAndNomRef(name);

        getNameService().saveOrUpdate(name);

        state.getResult().addNewRecords(TaxonName.class.getSimpleName(), 1);

        makeTaxon(state, name);

    }

    private void makeNomStatus(STATE state, TaxonName name) {

        String nomStatusStr = state.getCurrentRecord().get(OUTPUT_NOM_STATUS);

        if (nomStatusStr == null || nomStatusStr.equalsIgnoreCase("No opinion")){

            return;

        }else{

            NomenclaturalStatusType status = null;

            try {

                status = NomenclaturalStatusType.getNomenclaturalStatusTypeByLabel(nomStatusStr);

            } catch (UnknownCdmTypeException e) {

                try {

                    status = NomenclaturalStatusType.getNomenclaturalStatusTypeByAbbreviation(nomStatusStr, name);

                } catch (UnknownCdmTypeException e1) {

                    //handle later

                }

            }

            if (status == null){

                String message = "Nomenclatural status '%s' not recognized.";

                message = String.format(message, nomStatusStr);

                state.getResult().addWarning(message, state.getRow());

            }else{

                name.addStatus(status, null, null);

            }

        }

    }

    private void makeProtologue(STATE state, TaxonName name) {

        String bhlLink = state.getCurrentRecord().get(OUTPUT_BHL_LINK);

        if (bhlLink == null){

            return;

        }

        try {

            URI uri = new URI(bhlLink);

            name.addProtologue(uri, null, ExternalLinkType.WebSite);

        } catch (URISyntaxException e) {

            String message = "(BHL) Link could not be recognized as valid URI. Link was not added to %s: %s";

            message = String.format(message, name.getTitleCache(), bhlLink);

            state.getResult().addWarning(message, state.getRow());

        }

    }

    //TODO implementation must be improved when matching of taxon names with existing names is implemented

    //=> the assumption that the only description is the description added by this import

    //is wrong then, but once protologues are handled differently we don't need this anymore

    //anyway

    private TaxonNameDescription getNameDescription(TaxonName name, STATE state) {

        Set<TaxonNameDescription> descriptions = name.getDescriptions();

        if (descriptions.size()>1){

            throw new IllegalStateException("Implementation does not yet support names with multiple descriptions");

        }else if (descriptions.size()==1){

            return descriptions.iterator().next();

        }else{

            TaxonNameDescription desc = TaxonNameDescription.NewInstance(name);

            desc.addSource(OriginalSourceType.Import, null, "NameDescription", getTransactionalSourceReference(state), null);

            return desc;

        }

    }

    private void makeReference(STATE state, TaxonName name) {

        Map<String, String> record = state.getCurrentRecord();

        String type = record.get(NOM_PUB_TYPE);

        String abbrevTitle = record.get(OUTPUT_ABBREV_TITLE);

        String volume = record.get(OUTPUT_VOLUME);

        String detail = record.get(OUTPUT_PAGE);

        String titlePageYear = record.get(OUTPUT_TITLE_PAGE_YEAR);

        String yearPublished = record.get(OUTPUT_YEAR_PUBLISHED);

        if (CdmUtils.isBlank(abbrevTitle, volume, detail, titlePageYear, yearPublished)){

            //TODO

//            state.getResult().addInfo("No nomenclatural reference information given");

            return;

        }

        //Create and set title + in-Reference

        Reference reference;

        if (type == null){

            //TODO check against DB

            reference = ReferenceFactory.newGeneric();

            reference.setAbbrevTitle(abbrevTitle);

        }else if (type.equals("A")){

            reference = ReferenceFactory.newArticle();

            Reference journal = ReferenceFactory.newJournal();

            journal.setAbbrevTitle(abbrevTitle);

            reference.setInJournal(journal);

        }else if (type.equals("B")){

            reference = ReferenceFactory.newBook();

            reference.setAbbrevTitle(abbrevTitle);

        }else{

            String message = "Value for %s not recognized. Use generic reference instead";

            message = String.format(message, NOM_PUB_TYPE);

            state.getResult().addWarning(message, state.getRow());

            reference = ReferenceFactory.newGeneric();

            reference.setAbbrevTitle(abbrevTitle);

        }

        reference.setVolume(volume);

        //date

        if (titlePageYear != null){

            if (yearPublished == null){

                VerbatimTimePeriod tp = TimePeriodParser.parseStringVerbatim(titlePageYear);

                reference.setDatePublished(tp);

            }else{

                VerbatimTimePeriod tp = TimePeriodParser.parseStringVerbatim(yearPublished);

                reference.setDatePublished(tp);

            }

        }else if (yearPublished != null){

            VerbatimTimePeriod tp = TimePeriodParser.parseStringVerbatim(yearPublished);

            reference.setDatePublished(tp);

        }

        //add to name

        name.setNomenclaturalReference(reference);

        name.setNomenclaturalMicroReference(detail);

        //author

        if (state.getConfig().isAddAuthorsToReference()){

            TeamOrPersonBase<?> author = name.getCombinationAuthorship();

            if (author != null){

                reference.setAuthorship(author);

            }

        }

        //source

        addSourceReference(state, reference);

    }

    /**

     * Checks if the sourceId (WFO ID) already exists in the database.

     * @param state

     * @param name

     * @param idAttr

     * @param allowDuplicate

     * @param identifierType

     * @return <code>true</code> if sourceId already exists.

     */

    private boolean checkAndAddIdentifier(STATE state, TaxonName name, String idAttr,

            boolean allowDuplicate, DefinedTerm identifierType) {

        String identifier = state.getCurrentRecord().get(idAttr);

        if (identifier == null){

            return false;

        }

        if (! allowDuplicate || state.getConfig().isReportDuplicateIdentifier()){

            //TODO precompute existing per session or, at least, implement count

            Pager<IdentifiedEntityDTO<TaxonName>> existing = getNameService().findByIdentifier(TaxonName.class, identifier, identifierType, MatchMode.EXACT, false, null, null, null);

            if (existing.getCount() > 0){

                //TODO make language configurable

                Language language = Language.DEFAULT();

                if (! allowDuplicate){

                    String message = "The name with the given identifier (%s: %s) exists already in the database. Record is not imported.";

                    message = String.format(message, identifierType.getPreferredRepresentation(Language.DEFAULT()).getText(), identifier);

                    state.getResult().addWarning(message, state.getRow());

                    return true;

                }else{

                    String message = "The name with the given identifier (%s: %s) exists already in the database. Record is imported but maybe needs to be reviewed.";

                    message = String.format(message, identifierType.getPreferredRepresentation(language).getText(), identifier);

                    state.getResult().addWarning(message, state.getRow());

                }

            }

        }

        name.addIdentifier(identifier, identifierType);

        return false;

    }

    private NonViralNameParserImpl parser = NonViralNameParserImpl.NewInstance();

    private TaxonName makeName(STATE state) {

        Map<String, String> record = state.getCurrentRecord();

        String fullNameStr = record.get(OUTPUT_FULL_NAME_WITH_AUTHORS);

        String nameStr = record.get(INPUT_FULL_NAME_NO_AUTHORS);

        String inputFullNameStr = record.get(INPUT_FULLNAME_WITH_AUTHORS);

        if (inputFullNameStr != null && fullNameStr != null){

            if (inputFullNameStr.replaceAll("\\s", "").equals(fullNameStr.replaceAll("\\s", ""))){

                String message = "Full input (%s) and full output (%s) name are not equal. Record is, however, processed.";

                message = String.format(message, inputFullNameStr, fullNameStr);

                state.getResult().addWarning(message, state.getRow());

            }

        }else if (inputFullNameStr != null && fullNameStr == null){

            fullNameStr = inputFullNameStr;

        }

        INonViralName name;

        if (fullNameStr == null && nameStr == null){

            String message = "No name given. No record will be imported.";

            state.getResult().addWarning(message, state.getRow());

            return null;

        }else if (fullNameStr != null){

            name = parser.parseFullName(fullNameStr, state.getConfig().getNomenclaturalCode(), null);

            if (nameStr != null && !nameStr.equals(name.getNameCache())){

                String message = "Name with authors (%s) and without authors (%s) is not consistent";

                message = String.format(message, fullNameStr, nameStr);

                state.getResult().addWarning(message, state.getRow());

            }

        }else{

            name = parser.parseSimpleName(nameStr, state.getConfig().getNomenclaturalCode(), null);

        }

        if (name.isProtectedTitleCache() || name.isProtectedNameCache() || name.isProtectedAuthorshipCache()){

            String message = "Name (%s) could not be fully parsed, but is processed";

            message = String.format(message, name.getTitleCache());

            state.getResult().addWarning(message, state.getRow());

        }

        addSourceReference(state, (TaxonName)name);

        return (TaxonName)name;

    }

    private void addSourceReference(STATE state, IdentifiableEntity<?> entity) {

        entity.addImportSource(null, null, getTransactionalSourceReference(state), "line " + state.getLine());

    }

    @Override

    protected void refreshTransactionStatus(STATE state) {

        super.refreshTransactionStatus(state);

    }

    private void makeTaxon(STATE state, TaxonName name) {

        if (!state.getConfig().isCreateTaxa()){

            return;

        }else{

            //or do we want to allow to define an own sec reference?

            Reference sec = getTransactionalSourceReference(state);

            Taxon taxon = Taxon.NewInstance(name, sec);

            TaxonNode parentNode = getParentNode(state);

            if (parentNode != null){

                TaxonNode newNode = parentNode.addChildTaxon(taxon, null, null);

                if (state.getConfig().isUnplaced()){

                    newNode.setStatus(TaxonNodeStatus.UNPLACED);

                }

            }

            addSourceReference(state, taxon);

            this.getTaxonService().saveOrUpdate(taxon);

            state.getResult().addNewRecords(Taxon.class.getSimpleName(), 1);

        }

    }

    /**

     * Transactional save method to retrieve the parent node

     */

    protected TaxonNode getParentNode(STATE state) {

        TaxonNode parentNode = state.getParentNode();

        if (parentNode == null){

            if (state.getConfig().getParentNodeUuid() != null){

                parentNode = getTaxonNodeService().find(state.getConfig().getParentNodeUuid());

                if (parentNode == null){

                    //node does not exist => create new classification

                    Classification classification = makeClassification(state);

                    parentNode = classification.getRootNode();

                    parentNode.setUuid(state.getConfig().getParentNodeUuid());

                }

            }else {

                Classification classification = makeClassification(state);

                state.getConfig().setParentNodeUuid(classification.getRootNode().getUuid());

                parentNode = classification.getRootNode();

            }

            state.setParentNode(parentNode);

        }

        return parentNode;

    }

    protected Classification makeClassification(STATE state) {

        Reference ref = getTransactionalSourceReference(state);

        String classificationStr = state.getConfig().getClassificationName();

        if (isBlank(classificationStr)){

            classificationStr = "Tropicos import " + UUID.randomUUID();

        }

        Classification classification = Classification.NewInstance(classificationStr, ref, Language.UNDETERMINED());

        return classification;

    }

}