EDIT

/**

* 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.io.berlinModel.in;

import java.sql.ResultSet;

import java.sql.SQLException;

import java.util.Collection;

import java.util.HashMap;

import java.util.HashSet;

import java.util.Map;

import java.util.Set;

import java.util.UUID;

import java.util.regex.Matcher;

import java.util.regex.Pattern;

import org.apache.log4j.Logger;

import org.springframework.stereotype.Component;

import eu.etaxonomy.cdm.common.CdmUtils;

import eu.etaxonomy.cdm.io.berlinModel.in.validation.BerlinModelAuthorTeamImportValidator;

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

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

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

import eu.etaxonomy.cdm.io.common.utils.ImportDeduplicationHelper;

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

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

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

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

import eu.etaxonomy.cdm.strategy.cache.agent.INomenclaturalAuthorCacheStrategy;

/**

 * @author a.mueller

 * @since 20.03.2008

 */

@Component

public class BerlinModelAuthorTeamImport extends BerlinModelImportBase {

    private static final long serialVersionUID = -4318481607033688522L;

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

	public static final String NAMESPACE = "AuthorTeam";

	   public static final String NAMESPACE_SPLIT = "AuthorTeam_Split";

	private static final String pluralString = "AuthorTeams";

	private static final String dbTableName = "AuthorTeam";

	private ResultSet rsSequence;

	private Source source;

    private ImportDeduplicationHelper<BerlinModelImportState> deduplicationHelper;

	public BerlinModelAuthorTeamImport(){

		super(dbTableName, pluralString);

	}

	@Override

    protected void doInvoke(BerlinModelImportState state){

		BerlinModelImportConfigurator config = state.getConfig();

		source = config.getSource();

		this.deduplicationHelper = ImportDeduplicationHelper.NewInstance(this, state);

		logger.info("start make " + pluralString + " ...");

		//queryStrings

		String strIdQuery = getIdQuery(state);

		String strRecordQuery = getRecordQuery(config);

		String strWhere = " WHERE (1=1) ";

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

			strWhere += " AND " + state.getConfig().getAuthorTeamFilter();

			strWhere = strWhere.replaceFirst("authorTeamId", "authorTeamFk");

		}

		String strQuerySequence =

			" SELECT *  " +

            " FROM AuthorTeamSequence " +

                (state.getConfig().isEuroMed() ? "" : strWhere) +

            " ORDER By authorTeamFk, Sequence ";

		int recordsPerTransaction = config.getRecordsPerTransaction();

		try{

			ResultSetPartitioner<BerlinModelImportState> partitioner = ResultSetPartitioner.NewInstance(source, strIdQuery, strRecordQuery, recordsPerTransaction);

			rsSequence = source.getResultSet(strQuerySequence) ; //only here, to reduce deadlock/timeout probability

			while (partitioner.nextPartition()){

				partitioner.doPartition(this, state);

			}

		} catch (SQLException e) {

			logger.error("SQLException:" +  e);

			state.setUnsuccessfull();

			return;

		}

		logger.info("end make " + pluralString + " ... " + getSuccessString(true));

		this.deduplicationHelper = null;

		return;

	}

	@Override

	protected String getIdQuery(BerlinModelImportState state){

		if (state.getConfig().isEuroMed()){

		    return " SELECT authorTeamId "

		         + " FROM v_cdm_exp_authorTeamsAll ORDER BY authorTeamId "

		         ;

		}

	    String strWhere = " WHERE (1=1) ";

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

			strWhere += " AND " + state.getConfig().getAuthorTeamFilter();

		}

		String idQuery =

				" SELECT authorTeamId " +

                " FROM AuthorTeam " +

                strWhere +

                " ORDER BY authorTeamId ";

		return idQuery;

	}

	@Override

	protected String getRecordQuery(BerlinModelImportConfigurator config) {

		String strRecordQuery =

			" SELECT *  " +

            " FROM AuthorTeam " +

            " WHERE authorTeamId IN ( " + ID_LIST_TOKEN + " )" +

            " ORDER By authorTeamId ";

		return strRecordQuery;

	}

	@Override

    public boolean doPartition(@SuppressWarnings("rawtypes") ResultSetPartitioner partitioner, BerlinModelImportState state) {

		boolean success = true ;

		deduplicationHelper.restartSession();

		BerlinModelImportConfigurator config = state.getConfig();

		Set<TeamOrPersonBase<?>> authorsToSave = new HashSet<>();

		@SuppressWarnings("unchecked")

        Map<String, Person> personMap = partitioner.getObjectMap(BerlinModelAuthorImport.NAMESPACE);

		ResultSet rs = partitioner.getResultSet();

		//for each reference

		try{

			while (rs.next()){

				try{

					//if ((i++ % modCount ) == 0 && i!= 1 ){ logger.info(""+pluralString+" handled: " + (i-1));}

					//create Agent element

					int teamId = rs.getInt("AuthorTeamId");

					if (teamId == 0 && config.isIgnore0AuthorTeam()){

						continue;

					}

					Team team = Team.NewInstance();

					boolean preliminaryFlag = rs.getBoolean("PreliminaryFlag");

					String authorTeamCache = rs.getString("AuthorTeamCache");

					String fullAuthorTeamCache = rs.getString("FullAuthorTeamCache");

					if (isBlank(fullAuthorTeamCache)){

//						fullAuthorTeamCache = authorTeamCache;

						if (isBlank(authorTeamCache) && preliminaryFlag){

						    logger.warn("authorTeamCache and fullAuthorTeamCache are blank/null and preliminaryFlag is true. This makes no sense and should not happen: " + teamId);

						}

					}else{

					    fullAuthorTeamCache = fullAuthorTeamCache.trim();

					}

					if (isNotBlank(authorTeamCache)){

					    authorTeamCache = authorTeamCache.trim();

					}

//					team.setTitleCache(fullAuthorTeamCache, preliminaryFlag);

//					team.setNomenclaturalTitle(authorTeamCache, preliminaryFlag);

					success &= makeSequence(state, team, teamId, rsSequence, personMap);

					team.setTitleCache(fullAuthorTeamCache, preliminaryFlag);

					team.setNomenclaturalTitleCache(authorTeamCache, preliminaryFlag);

					//not yet supported by model

//	                team.setOriginalNomenclaturalTitle(authorTeamCache);

					TeamOrPersonBase<?> author = handleTeam(state, team, authorTeamCache,

					        fullAuthorTeamCache, preliminaryFlag, teamId);

					//in case preliminary flag is set incorrectly in BM

					if (author == team && team.getTeamMembers().size() == 0 && preliminaryFlag == false){

                        team.setProtectedTitleCache(true);

                        team.setProtectedNomenclaturalTitleCache(true);

                    }

		            String uuid = null;

		            if (resultSetHasColumn(rs,"UUID")){

		                uuid = rs.getString("UUID");

		                if (uuid != null && !author.isPersited()){

		                    author.setUuid(UUID.fromString(uuid));

		                }

		            }

					//created, notes

//					doIdCreatedUpdatedNotes(state, author, rs, teamId, NAMESPACE);

					doCreatedUpdatedNotes(state, author, rs);

					if (!importSourceExists(author, String.valueOf(teamId), NAMESPACE, state.getTransactionalSourceReference())){

					    doId(state, author, teamId, NAMESPACE);

					}

					authorsToSave.add(author);

				}catch(Exception ex){

					logger.error(ex.getMessage());

					ex.printStackTrace();

					success = false;

				}

			} //while rs.hasNext()

		} catch (SQLException e) {

			logger.error("SQLException:" +  e);

			return false;

		}

		//logger.info(i + " " + pluralString + " handled");

		getAgentService().saveOrUpdate((Collection)authorsToSave);

		return success;

	}

    private TeamOrPersonBase<?> handleTeam(BerlinModelImportState state, Team team, String authorTeamCache,

            String fullAuthorTeamCache, boolean preliminaryFlag, int authorTeamId) {

        if (!team.getTeamMembers().isEmpty()){

            return team;

        }

        TeamOrPersonBase<?> result = team;

        if (isBlank(authorTeamCache)){

            logger.warn("Blank authorTeamCache not yet handled: " + authorTeamId);

        }

        //single person

        if (!hasTeamSeparator(authorTeamCache) && !hasTeamSeparator(fullAuthorTeamCache)){

            Person person = makePerson(fullAuthorTeamCache, authorTeamCache, preliminaryFlag, authorTeamId);

            result = deduplicatePerson(state, person);

            if (result != person){

                logger.debug("Single person team deduplicated: " + authorTeamId);

            }else{

                String idInSource = String.valueOf(authorTeamId);

                if (!importSourceExists(person, idInSource, NAMESPACE, state.getTransactionalSourceReference())){

                    person.addImportSource(idInSource, NAMESPACE, state.getTransactionalSourceReference(), null);

                }

            }

        //team

        }else{

            String[] fullTeams = splitTeam(fullAuthorTeamCache);

            String[] nomTeams = splitTeam(authorTeamCache);

            if (fullTeams.length != nomTeams.length && fullTeams.length != 0){

                logger.warn("AuthorTeamCache and fullAuthorTeamCache have not the same team size: " + authorTeamCache + " <-> " + fullAuthorTeamCache+ " ; authorTeamId=" + authorTeamId);

            }else{

                for (int i = 0; i< nomTeams.length ;i++){

                    String fullTeam = fullTeams.length == 0? null: fullTeams[i].trim();

                    Person member = makePerson(fullTeam, nomTeams[i].trim(), preliminaryFlag, authorTeamId);

                    if (member == null){

                        logger.warn("Unexpected short nom. author: " + nomTeams[i].trim() + "; " + authorTeamId);

                        continue;

                    }

                    if (i == nomTeams.length -1 && isEtAl(member)){

                        team.setHasMoreMembers(true);

                    }else{

                        Person dedupMember = deduplicatePerson(state, member);

                        if (dedupMember != member){

                            logger.debug("Member deduplicated: " + authorTeamId);

                        }else{

                            String idInSource = String.valueOf(authorTeamId);

                            if (!importSourceExists(member, idInSource, NAMESPACE_SPLIT, state.getTransactionalSourceReference())){

                                member.addImportSource(idInSource, NAMESPACE_SPLIT, state.getTransactionalSourceReference(), null);

                            }

                        }

                        //TODO add idInBM

                        team.addTeamMember(dedupMember);

                    }

                }

                //check nomenclatural title

                //TODO

                checkTeamNomenclaturalTitle(team, authorTeamCache, authorTeamId);

                //check titleCache

                checkTeamTitleCache(team, fullAuthorTeamCache, authorTeamId);

            }//same size team

            result = deduplicateTeam(state, team);

            if (result != team){

                logger.debug("Dedup team");

            }else{

                String idInSource = String.valueOf(authorTeamId);

                if (!importSourceExists(result, idInSource, NAMESPACE, state.getTransactionalSourceReference())){

                    result.addImportSource(idInSource, NAMESPACE, state.getTransactionalSourceReference(), null);

                }

            }

        }//team

        return result;

    }

    protected void checkTeamNomenclaturalTitle(Team team, String authorTeamCache, int authorTeamId) {

        if (team.getCacheStrategy().getNomenclaturalTitleCache(team).equals(authorTeamCache)){

            team.setProtectedNomenclaturalTitleCache(false);

        }else if(team.getCacheStrategy().getNomenclaturalTitleCache(team).replace(" ,", ",").equals(authorTeamCache)){

            //also accept teams with ' , ' as separator as not protected

            team.setProtectedNomenclaturalTitleCache(false);

        }else{

            team.setNomenclaturalTitleCache(authorTeamCache, true);

            logger.warn("Creation of nomTitle for team with members did not work: " + authorTeamCache + " <-> " + team.getCacheStrategy().getNomenclaturalTitleCache(team)+ " : " + authorTeamId);

        }

    }

    protected void checkTeamTitleCache(Team team, String fullAuthorTeamCache, int authorTeamId) {

        INomenclaturalAuthorCacheStrategy<Team> formatter = team.getCacheStrategy();

        if (team.generateTitle().equals(fullAuthorTeamCache)){

            team.setProtectedTitleCache(false);

        }else if(fullAuthorTeamCache == null){

            team.setProtectedTitleCache(false);

        }else if(team.generateTitle().replace(" & ", ", ").equals(fullAuthorTeamCache.replace(" & ", ", "))){

            //also accept teams with ', ' as final member separator as not protected

            team.setProtectedTitleCache(false);

        }else if(formatter.getFullTitle(team).replace(" & ", ", ").equals(fullAuthorTeamCache.replace(" & ", ", "))){

            //also accept teams with ', ' as final member separator as not protected

            team.setProtectedTitleCache(false);

        }else{

            String fullTitle = formatter.getFullTitle(team).replace(" & ", ", ");

            team.setTitleCache(fullAuthorTeamCache, true);

            logger.warn("Creation of titleCache for team with members did not work: " + fullAuthorTeamCache + " <-> " + team.generateTitle()+ " : " + authorTeamId);

        }

    }

    private Person deduplicatePerson(BerlinModelImportState state, Person person) {

        Person result = deduplicationHelper.getExistingAuthor(state, person);

        return result;

    }

    private Team deduplicateTeam(BerlinModelImportState state, Team team) {

        Team result = deduplicationHelper.getExistingAuthor(state, team);

        return result;

    }

    protected static boolean isEtAl(Person member) {

        if (member != null && isEtAl(member.getTitleCache()) && isEtAl(member.getNomenclaturalTitleCache())){

            return true;

        }

        return false;

    }

    private static boolean isEtAl(String str) {

        if (str == null || !str.equals("al.")){

            return false;

        }else{

            return true;

        }

    }

    private Person makePerson(String full, String nom, boolean preliminaryFlag, int authorTeamId) {

        Person person = Person.NewInstance(nom, null, null, null);

        if (isBlank(full)){

            //do nothing

        }else if (!full.matches(".*[\\s\\.].*")){

            //no whitespace and no . => family name

            person.setFamilyName(full);

        }else if (nom.equals(full)){

            parsePerson(person, full, preliminaryFlag);

        }else{

            parsePerson(person, full, true);

        }

        if (nom.length() <= 2 || (nom.length() == 3 && nom.endsWith(".")) ){

            if (!nom.matches("((L|Sm|DC|al|Sw|Qz|Fr|Ib)\\.|Hu|Ma|Hy|Wu)")){

                logger.warn("Unexpected short nom author name part: " + nom + "; " + authorTeamId);

            }

        }

        return person;

    }

    private void parsePerson(Person person, String str, boolean preliminary) {

        String capWord = "\\p{javaUpperCase}\\p{javaLowerCase}{2,}";

        String famStart = "(Le |D'|'t |Mc|Mac|Des |d'|Du |De )";

        String regEx = "(\\p{javaUpperCase}\\.([\\s-]\\p{javaUpperCase}\\.)*(\\s(de|del|da|von|van|v.|af|zu))?\\s)("

                + famStart + "?" + capWord + "((-| y | é | de | de la )" + capWord + ")?)";

        Matcher matcher = Pattern.compile(regEx).matcher(str);

        if (matcher.matches()){

            person.setProtectedTitleCache(false);

            //Initials + family name

//            String[] splits = str.split("\\s");

//            int n = matcher.groupCount();

//            for (int i = 0; i< n; i++){

//                String s = matcher.group(i);

//                System.out.println(s);

//            }

            person.setFamilyName(matcher.group(5).trim());

//            String initials = splits[0];

//            for (int i = 1; i < splits.length -1; i++ ){

//                initials += " " + splits[i];

//            }

            person.setInitials(matcher.group(1).trim());

        }else{

            person.setTitleCache(str, preliminary);

        }

    }

    private static final String TEAM_SPLITTER = "(,|&)";

    protected static String[] splitTeam(String teamCache) {

        if (teamCache == null){

            return new String[0];

        }

        return teamCache.split(TEAM_SPLITTER);

    }

    protected static boolean hasTeamSeparator(String teamCache) {

        if (isBlank(teamCache)){

            return false;

        }else if (teamCache.contains(",") || teamCache.contains("&")||teamCache.contains(" et ")||teamCache.endsWith(" al.")){

            return true;

        }else{

            return false;

        }

    }

    @Override

	public Map<Object, Map<String, ? extends CdmBase>> getRelatedObjectsForPartition(ResultSet rs, BerlinModelImportState state)  {

        String nameSpace;

		Map<Object, Map<String, ? extends CdmBase>> result = new HashMap<>();

		//person map

		Set<String> idInSourceList = makeAuthorIdList(rs);

		nameSpace = BerlinModelAuthorImport.NAMESPACE;

		Map<String, Person> personMap = getCommonService().getSourcedObjectsByIdInSourceC(Person.class, idInSourceList, nameSpace);

		result.put(nameSpace, personMap);

		return result;

	}

	private Set<String> makeAuthorIdList(ResultSet rs) {

		Set<String> result = new HashSet<>();

		String authorTeamIdList = "";

		try {

			while (rs.next()){

				int id = rs.getInt("AuthorTeamId");

				authorTeamIdList = CdmUtils.concat(",", authorTeamIdList, String.valueOf(id));

			}

			String strQuerySequence =

				" SELECT DISTINCT authorFk " +

	            " FROM AuthorTeamSequence " +

	            " WHERE authorTeamFk IN (@) ";

			strQuerySequence = strQuerySequence.replace("@", authorTeamIdList);

			rs = source.getResultSet(strQuerySequence) ;

			while (rs.next()){

				int authorFk = rs.getInt("authorFk");

				result.add(String.valueOf(authorFk));

			}

		} catch (SQLException e) {

			throw new RuntimeException(e);

		}

		return result;

	}

	private boolean makeSequence(BerlinModelImportState state, Team team, int teamId, ResultSet rsSequence, Map<String, Person> personMap){

		try {

			if (rsSequence.isBeforeFirst()){

				rsSequence.next();

			}

			if (rsSequence.isAfterLast()){

				return true;

			}

			int sequenceTeamFk;

			try {

				sequenceTeamFk = rsSequence.getInt("AuthorTeamFk");

			} catch (SQLException e) {

				if (rsSequence.next() == false){

					return true;

				}else{

					throw e;

				}

			}

			while (sequenceTeamFk < teamId){

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

				    logger.warn("Sequence team FK is smaller then team ID. Some teams for a sequence may not be available");

				}

				rsSequence.next();

				sequenceTeamFk = rsSequence.getInt("AuthorTeamFk");

			}

			while (sequenceTeamFk == teamId){

				int authorFk = rsSequence.getInt("AuthorFk");

				Person author = personMap.get(String.valueOf(authorFk));

				if (author != null){

				team.addTeamMember(author);

				}else{

					logger.error("Author " + authorFk + " was not found for team " + teamId);

				}

				if (rsSequence.next()){

					sequenceTeamFk = rsSequence.getInt("AuthorTeamFk");

				}else{

					break;

				}

			}

			return true;

		} catch (SQLException e) {

			e.printStackTrace();

			return false;

		}

	}

	@Override

	protected boolean doCheck(BerlinModelImportState state){

		IOValidator<BerlinModelImportState> validator = new BerlinModelAuthorTeamImportValidator();

		return validator.validate(state);

	}

	@Override

    protected boolean isIgnore(BerlinModelImportState state){

		return ! state.getConfig().isDoAuthors();

	}

}