EDIT

// $Id$

/**

* 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.pesi.erms;

import java.sql.ResultSet;

import java.sql.SQLException;

import java.util.HashMap;

import java.util.HashSet;

import java.util.Map;

import java.util.Set;

import org.apache.log4j.Logger;

import org.springframework.stereotype.Component;

import eu.etaxonomy.cdm.io.common.mapping.DbImportMapping;

import eu.etaxonomy.cdm.io.common.mapping.DbImportNameTypeDesignationMapper;

import eu.etaxonomy.cdm.io.common.mapping.DbImportSynonymMapper;

import eu.etaxonomy.cdm.io.common.mapping.DbImportTaxIncludedInMapper;

import eu.etaxonomy.cdm.io.common.mapping.ICheckIgnoreMapper;

import eu.etaxonomy.cdm.io.common.mapping.IDbImportMapper;

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

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

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

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

/**

 * @author a.mueller

 * @created 09.03.2010

 */

@Component

public class ErmsTaxonRelationImport extends ErmsImportBase<TaxonBase<?>> implements ICheckIgnoreMapper{

	@SuppressWarnings("unused")

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

	private DbImportMapping<ErmsImportState, ErmsImportConfigurator> mapping;

	private static final String pluralString = "taxon relations";

	private static final String dbTableName = "tu";

	private static final Class<?> cdmTargetClass = TaxonBase.class;

	private ErmsImportState state;  //ERMS import will never run in more then one instance

	public ErmsTaxonRelationImport(){

		super(pluralString, dbTableName, cdmTargetClass);

	}

	@Override

	protected DbImportMapping<ErmsImportState, ErmsImportConfigurator> getMapping() {

		if (mapping == null){

			mapping = new DbImportMapping<ErmsImportState, ErmsImportConfigurator>();

			mapping.addMapper(DbImportTaxIncludedInMapper.NewInstance("id", TAXON_NAMESPACE, "parentId", TAXON_NAMESPACE, "accParentId", TAXON_NAMESPACE, null));//there is only one tree

			TaxonRelationshipType taxonRelationshipType = getTaxonRelationshipType(state, ErmsTransformer.uuidTaxRelTypeIsTaxonSynonymOf, "is taxon synonym of", "is synonym of relation used by synonym that are of class Taxon as they can not be handled differently", null, null);

			mapping.addMapper(DbImportSynonymMapper.NewInstance("id", "tu_acctaxon", TAXON_NAMESPACE, null, taxonRelationshipType)); 			

			mapping.addMapper(DbImportNameTypeDesignationMapper.NewInstance("id", "tu_typetaxon", ErmsTaxonImport.NAME_NAMESPACE, "tu_typedesignationstatus"));

//			mapping.addMapper(DbNotYetImplementedMapper.NewInstance("tu_acctaxon"));

		}

		return mapping;

	}

	/* (non-Javadoc)

	 * @see eu.etaxonomy.cdm.io.erms.ErmsImportBase#getRecordQuery(eu.etaxonomy.cdm.io.erms.ErmsImportConfigurator)

	 */

	protected String getRecordQuery(ErmsImportConfigurator config) {

		//TODO get automatic by second path mappers

		String selectAttributes = " myTaxon.id, myTaxon.tu_parent, myTaxon.tu_typetaxon, myTaxon.tu_typedesignation, " +

								" myTaxon.tu_acctaxon, myTaxon.tu_status, parent.tu_status AS parentStatus, parent.id AS parentId, " + 

								" accParent.tu_status AS accParentStatus, accParent.id AS accParentId "; 

		String strRecordQuery = 

			" SELECT  " + selectAttributes + 

			" FROM tu AS myTaxon LEFT OUTER JOIN " +

				" tu AS accTaxon ON myTaxon.tu_acctaxon = accTaxon.id LEFT OUTER JOIN " +

				" tu AS accParent RIGHT OUTER JOIN "  + 

				" tu AS parent ON accParent.id = parent.tu_acctaxon ON myTaxon.tu_parent = parent.id " +

			" WHERE ( myTaxon.id IN (" + ID_LIST_TOKEN + ") )";

		return strRecordQuery;

	}

	@Override

	protected void doInvoke(ErmsImportState state) {

		this.state = state;

		super.doInvoke(state);

	}

	@Override

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

		String nameSpace;

		Class<?> cdmClass;

		Set<String> idSet;

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

		try{

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

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

			while (rs.next()){

				handleForeignKey(rs, taxonIdSet, "parentId");

				handleForeignKey(rs, taxonIdSet, "accParentId");

				handleForeignKey(rs, taxonIdSet, "tu_acctaxon");

				handleForeignKey(rs, taxonIdSet, "id");

				handleForeignKey(rs, nameIdSet, "tu_typetaxon");

				handleForeignKey(rs, nameIdSet, "id");		

			}

			//name map

			nameSpace = ErmsTaxonImport.NAME_NAMESPACE;

			cdmClass = TaxonNameBase.class;

			idSet = nameIdSet;

			Map<String, TaxonNameBase<?,?>> nameMap = (Map<String, TaxonNameBase<?,?>>)getCommonService().getSourcedObjectsByIdInSource(cdmClass, idSet, nameSpace);

			result.put(nameSpace, nameMap);

			//taxon map

			nameSpace = ErmsTaxonImport.TAXON_NAMESPACE;

			cdmClass = TaxonBase.class;

			idSet = taxonIdSet;

			Map<String, TaxonBase<?>> taxonMap = (Map<String, TaxonBase<?>>)getCommonService().getSourcedObjectsByIdInSource(cdmClass, idSet, nameSpace);

			result.put(nameSpace, taxonMap);

		} catch (SQLException e) {

			throw new RuntimeException(e);

		}

		return result;

	}

	/* (non-Javadoc)

	 * @see eu.etaxonomy.cdm.io.erms.ICheckIgnoreMapper#checkIgnoreMapper(eu.etaxonomy.cdm.io.common.mapping.IDbImportMapper, java.sql.ResultSet)

	 */

	public boolean checkIgnoreMapper(IDbImportMapper mapper, ResultSet rs) throws SQLException{

		boolean result = false;

		if (mapper instanceof DbImportTaxIncludedInMapper){

			//old

//			int tu_status = rs.getInt("tu_status");

//			if (tu_status != 1){

//				result = true;

//			}

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

			if (state.getAcceptedTaxaKeys().contains(id)){

				return false;

			}else{

				return true;

			}

		}else if (mapper instanceof DbImportSynonymMapper){

			//old

//			int tu_status = rs.getInt("tu_status");

//			if (tu_status == 1){

//				result = true;

//			}else{

//				return false;

//			}t.tu_acctaxon <> t.id

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

			Object accTaxonId = rs.getObject("tu_acctaxon");

			if (accTaxonId == null){

				return true;

			}else{

				int accId = Integer.valueOf(String.valueOf(accTaxonId));

				return accId == id;

			}

		}else if (mapper instanceof DbImportNameTypeDesignationMapper){

			Object tu_typeTaxon = rs.getObject("tu_typetaxon");

			if (tu_typeTaxon == null){

				return true;

			}

		}

		return result;

	}

	@Override

	protected boolean doCheck(ErmsImportState state){

//		IOValidator<ErmsImportState> validator = new ErmsTaxonImportValidator();

//		return validator.validate(state);

		return true;

	}

	@Override

	protected boolean isIgnore(ErmsImportState state){

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

	}

}