/*
    * Copyright (c) 2002-2014, 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.phraseanet.service.parsers;
  
  import fr.paris.lutece.plugins.phraseanet.business.record.Metadata;
  import fr.paris.lutece.plugins.phraseanet.business.record.MetadataValue;
  import fr.paris.lutece.plugins.phraseanet.service.Constants;
  import fr.paris.lutece.plugins.phraseanet.service.api.PhraseanetApiCallException;
  import fr.paris.lutece.portal.service.util.AppLogService;
  
  import net.sf.json.JSONException;
  import net.sf.json.JSONObject;
  import net.sf.json.JSONArray;
  
  import java.util.ArrayList;
  import java.util.Iterator;
  import java.util.List;
  
  import org.apache.log4j.Logger;
  
  
  /**
   * Metadata Json Parser
   */
  public final class MetadatasJsonParser
  {  
      private static Logger _logger = Logger.getLogger( Constants.LOGGER );
      
      /** private constructor */
      private MetadatasJsonParser(  )
      {
          _logger.debug( "MetadatasJsonParser" );
      }
      
  
      /**
       * Parse a list of metadatas
       * @param jsonResponse The response as JSONObject
       * @return The list
       * @throws PhraseanetApiCallException if an error occurs
       */
      public static List<Metadata> parse( JSONObject jsonResponse )
      throws PhraseanetApiCallException
      {   
          try
          {
              List<Metadata> listMetadatas = new ArrayList<Metadata>(  );
              //JSONObject jsonMetadatas = jsonResponse.getJSONObject( "metadatas" );
              JSONArray jsonMetadatasList = jsonResponse.getJSONArray( "record_metadatas" );
              JSONObject jsonMetadatas = jsonMetadatasList.toJSONObject( jsonMetadatasList ) ;
              Iterator i = jsonMetadatas.keys(  );
              while ( i.hasNext(  ) )
              {
                  String strKey = (String) i.next(  );
                  JSONObject jsonMetadata = jsonMetadatas.getJSONObject( strKey );
                  Metadata metadata = new Metadata(  );
                  metadata.setMetaId( jsonMetadata.getInt( "meta_id" ) );
                  metadata.setMetaStructureId( jsonMetadata.getInt( "meta_structure_id" ) );
                  metadata.setName( jsonMetadata.getString( "name" ) );
                  metadata.setValue( jsonMetadata.getString( "value" ) );
                  listMetadatas.add( metadata );
              }
  
              return listMetadatas;
          }
          catch ( JSONException e )
          {//throw new PhraseanetApiCallException( "Error parsing metadatas : " + e.getMessage(  ) + " - JSON : " + jsonResponse.toString( 4 ) );
              AppLogService.error( "Error parsing metadatas " + e.getMessage()+ " - JSON : " + jsonResponse.toString( 4 ) );
             return null;
         }     
     }
 
     /**
      * Parse a list of metadatas
      * @param jsonResponse The response as JSONObject
      * @return The list
      * @throws PhraseanetApiCallException if an error occurs
      */
     public static List<Metadata> parseByDataboxe( JSONObject jsonResponse )
         throws PhraseanetApiCallException
     {
         try
         {
             List<Metadata> listMetadatas = new ArrayList<Metadata>(  );
             JSONArray jsonMetadatasList = jsonResponse.getJSONArray( "document_metadatas" );
             _logger.debug("Liste des metadatas : " + jsonMetadatasList ) ;
             JSONObject jsonMetadatas = jsonMetadatasList.toJSONObject(jsonMetadatasList);
             _logger.debug("JSONObject : " + jsonMetadatas ) ;
             Iterator i = jsonMetadatas.keys(  );
 
             while ( i.hasNext(  ) )
             {
                 String strKey = (String) i.next(  );
                 JSONObject jsonMetadata = jsonMetadatas.getJSONObject( strKey );
                 Metadata metadata = new Metadata(  );
                 metadata.setName( jsonMetadata.getString( "name" ) );
                 listMetadatas.add( metadata );
             }
 
 
             return listMetadatas;
         }
         catch ( JSONException e )
         {
             throw new PhraseanetApiCallException( "Error parsing metadatas : " + e.getMessage(  ) + " - JSON : " +
                 jsonResponse.toString( 4 ) );
         }
     }
 }