package fr.ifremer.quadrige2.synchro.intercept.data;
   
   /*-
    * #%L
    * Quadrige2 Core :: Quadrige2 Synchro Core
    * $Id:$
    * $HeadURL:$
    * %%
    * Copyright (C) 2017 Ifremer
   * %%
   * This program is free software: you can redistribute it and/or modify
   * it under the terms of the GNU Affero General Public License as published by
   * the Free Software Foundation, either version 3 of the License, or
   * (at your option) any later version.
   * 
   * This program is distributed in the hope that it will be useful,
   * but WITHOUT ANY WARRANTY; without even the implied warranty of
   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   * GNU General Public License for more details.
   * 
   * You should have received a copy of the GNU Affero General Public License
   * along with this program.  If not, see <http://www.gnu.org/licenses/>.
   * #L%
   */
  
  import com.google.common.collect.Maps;
  import com.google.common.eventbus.Subscribe;
  import fr.ifremer.common.synchro.intercept.SynchroInterceptorBase;
  import fr.ifremer.common.synchro.meta.SynchroDatabaseMetadata;
  import fr.ifremer.common.synchro.meta.SynchroTableMetadata;
  import fr.ifremer.common.synchro.meta.event.LoadTableEvent;
  import fr.ifremer.quadrige2.synchro.intercept.data.internal.ReplaceColumnValuesInterceptor;
  import fr.ifremer.quadrige2.synchro.service.SynchroDirection;
  import fr.ifremer.quadrige2.synchro.service.data.DataSynchroDatabaseConfiguration;
  import org.apache.commons.collections4.MapUtils;
  import org.hibernate.tool.hbm2ddl.TableMetadata;
  
  import java.util.Map;
  
  /**
   * Rewrite column values, using a input map (store in DataSynchroContext).
   * Used in file import, when some local referential have not same ID (see mantis #26721)
   * 
   * @author Benoit Lavenier <benoit.lavenier@e-is.pro>
   * @since 1.0
   */
  public class ReplaceTableValuesInterceptor extends AbstractDataInterceptor {
  
  	private boolean isEnable = false;
  
  	/**
  	 * <p>
  	 * Constructor for ReplaceTableValuesInterceptor.
  	 * </p>
  	 */
  	public ReplaceTableValuesInterceptor() {
  		super(SynchroDirection.IMPORT_FILE2LOCAL);
  	}
  
  	/** {@inheritDoc} */
  	@Override
  	protected void init(DataSynchroDatabaseConfiguration config) {
  		super.init(config);
  		isEnable = MapUtils.isNotEmpty(config.getRemapValues());
  	}
  
  	/** {@inheritDoc} */
  	@Override
  	public SynchroInterceptorBase clone() {
  		ReplaceTableValuesInterceptor result = (ReplaceTableValuesInterceptor) super.clone();
  		result.isEnable = isEnable;
  		return result;
  	}
  
  	/** {@inheritDoc} */
  	@Override
  	public boolean doApply(SynchroDatabaseMetadata meta, TableMetadata table) {
  
  		return isEnable && getConfig().getRemapValues().containsKey(table.getName());
  	}
  
  	/**
  	 * <p>
  	 * handleLoadTable.
  	 * </p>
  	 * 
  	 * @param e
  	 *            a {@link fr.ifremer.common.synchro.meta.event.LoadTableEvent} object.
  	 */
  	@Subscribe
  	public void handleLoadTable(LoadTableEvent e) {
  		SynchroTableMetadata table = e.table;
  
  		Map<String, Map<String, Object>> valuesMapByColumnName = getConfig().getRemapValues().get(table.getName());
  		for (String columnName : valuesMapByColumnName.keySet()) {
  
  			int columnIndex = table.getSelectColumnIndex(columnName);
  			if (columnIndex != -1) {
  				Map<String, Object> valuesMap = valuesMapByColumnName.get(columnName);
 
 				ReplaceColumnValuesInterceptor replaceInterceptor = new ReplaceColumnValuesInterceptor(
 						columnIndex,
 						valuesMap);
 				table.addInterceptor(replaceInterceptor);
 			}
 		}
 	}
 
 	/* -- Internal methods -- */
 
 }