/*
    * Copyright (c) 2002-2018, Mairie de Paris
    * All rights reserved.
    *
    * Redistribution and use in source and binary forms, with or without
    * modification, are permitted provided that the following conditions
    * are met:
    *
    *  1. Redistributions of source code must retain the above copyright notice
   *     and the following disclaimer.
   *
   *  2. Redistributions in binary form must reproduce the above copyright notice
   *     and the following disclaimer in the documentation and/or other materials
   *     provided with the distribution.
   *
   *  3. Neither the name of 'Mairie de Paris' nor 'Lutece' nor the names of its
   *     contributors may be used to endorse or promote products derived from
   *     this software without specific prior written permission.
   *
   * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
   * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE
   * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
   * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
   * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
   * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
   * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
   * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
   * POSSIBILITY OF SUCH DAMAGE.
   *
   * License 1.0
   */
  package fr.paris.lutece.plugins.directory.modules.multiview.business.record.filter.querypart.impl;
  
  import java.util.Map;
  import java.util.Set;
  
  import org.apache.commons.lang3.StringUtils;
  import org.apache.commons.lang3.math.NumberUtils;
  
  import fr.paris.lutece.plugins.directory.modules.multiview.business.record.RecordParameters;
  import fr.paris.lutece.plugins.directory.modules.multiview.business.record.filter.RecordFilterQueryBuilder;
  import fr.paris.lutece.plugins.directory.modules.multiview.util.RecordEntryNameConstants;
  
  /**
   * Implementation of the IRecordFilterQueryPart for an Entry filter
   */
  public class RecordFilterEntryQueryPart extends AbstractRecordFilterQueryPart
  {
      // Constants
      private static final int DEFAULT_POSITION = NumberUtils.INTEGER_MINUS_ONE;
      private static final String ENTRY_VALUE_QUERY_PATTERN = "column_%1$s.column_%1$s_value = ";
      private static final String ENTRY_VALUE_NAME_PATTERN = "$column_%s$";
  
      /**
       * {@inheritDoc}
       */
      @Override
      public void buildRecordFilterQuery( RecordParameters recordParameters )
      {
          int nPosition = DEFAULT_POSITION;
  
          if ( recordParameters != null )
          {
              Map<String, Object> mapRecordParametersNameValues = recordParameters.getRecordParametersMap( );
              if ( mapRecordParametersNameValues != null && !mapRecordParametersNameValues.isEmpty( ) )
              {
                  nPosition = findFilterColumnPosition( mapRecordParametersNameValues );
              }
          }
  
          StringBuilder stringBuilderEntryQueryPattern = new StringBuilder( );
          if ( nPosition != DEFAULT_POSITION )
          {
              String strEntryValueQueryPattern = String.format( ENTRY_VALUE_QUERY_PATTERN, nPosition );
              String strEntryNamePattern = String.format( ENTRY_VALUE_NAME_PATTERN, nPosition );
  
              stringBuilderEntryQueryPattern.append( strEntryValueQueryPattern );
              stringBuilderEntryQueryPattern.append( strEntryNamePattern );
          }
  
          setRecordFilterQuery( RecordFilterQueryBuilder.buildRecordFilterQuery( stringBuilderEntryQueryPattern.toString( ), recordParameters ) );
      }
  
      /**
       * Find the position of the column for the filter from the given values
       * 
       * @param mapRecordParametersNameValues
       *            The map used to retrieve the position of the column of the filter
       * @return the position of the column for the filter from the given values or the {@link DEFAULT_POSITION} if not found
       */
      private int findFilterColumnPosition( Map<String, Object> mapRecordParametersNameValues )
      {
          int nPosition = DEFAULT_POSITION;
  
          Set<String> setParameterName = mapRecordParametersNameValues.keySet( );
          for ( String strParameterName : setParameterName )
          {
             if ( strParameterName.startsWith( RecordEntryNameConstants.FILTER_ENTRY_BASE_NAME_PATTERN ) )
             {
                 String strColumnNumber = strParameterName.replaceFirst( RecordEntryNameConstants.FILTER_ENTRY_BASE_NAME_PATTERN, StringUtils.EMPTY );
                 nPosition = NumberUtils.toInt( strColumnNumber, NumberUtils.INTEGER_MINUS_ONE );
                 break;
             }
         }
 
         return nPosition;
     }
 }