/*
    * 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.dila.service.impl;
  
  import fr.paris.lutece.plugins.dila.business.fichelocale.dao.ILocalCardDAO;
  import fr.paris.lutece.plugins.dila.business.fichelocale.dto.LocalCardDTO;
  import fr.paris.lutece.plugins.dila.service.IDilaLocalCardService;
  
  import java.io.Serializable;
  import java.util.List;
  
  import javax.inject.Inject;
  import javax.inject.Named;
  import javax.xml.parsers.DocumentBuilder;
  
  import org.apache.commons.lang.StringUtils;
  import org.w3c.dom.Document;
  import org.w3c.dom.Element;
  import org.w3c.dom.NodeList;
  
  
  /**
   * Implementation of {@link IDilaLocalCardService}
   */
  public class DilaLocalCardService implements IDilaLocalCardService, Serializable
  {
      private static final String SEQ_ATTRIBUTE = "seq";
      private static final String ID_ATTRIBUTE = "ID";
      private static final String CARD_TAG = "Fiche";
  
      /** The serial ID */
      private static final long serialVersionUID = 3506441956169438006L;
      @Inject
      @Named( "dilaLocalCardDAO" )
      private ILocalCardDAO _dilaLocalCardDAO;
  
      @Override
      public Long create( LocalCardDTO fiche )
      {
          return _dilaLocalCardDAO.insert( fiche );
      }
  
      @Override
      public Long findCardIdByLocalId( String idLocal )
      {
          return _dilaLocalCardDAO.findCardIdByLocalId( idLocal );
      }
  
      @Override
      public void delete( Long localCardId )
      {
          _dilaLocalCardDAO.delete( localCardId );
      }
  
      @Override
      public LocalCardDTO findCardByLocalId( Long idLocal )
      {
          return _dilaLocalCardDAO.findCardByLocalId( idLocal );
      }
  
      @Override
      public void update( LocalCardDTO card )
      {
          _dilaLocalCardDAO.store( card );
      }
  
      @Override
      public boolean isCardWithParentId( String idLocal )
     {
         return _dilaLocalCardDAO.isCardWithParentId( idLocal );
     }
 
     @Override
     public Document insertCardLinks( String parentId, DocumentBuilder builder, Document document )
     {
         List<LocalCardDTO> cardsList = this.findLocalCardsByParentFolder( parentId );
 
         for ( LocalCardDTO currentCard : cardsList )
         {
             NodeList cards = document.getElementsByTagName( CARD_TAG );
             Element newCard = document.createElement( CARD_TAG );
             newCard.setAttribute( ID_ATTRIBUTE, currentCard.getLocalDTO( ).getId( ).toString( ) );
             newCard.setTextContent( currentCard.getLocalDTO( ).getTitle( ) );
 
             if ( StringUtils.isEmpty( currentCard.getSiblingCardId( ) ) )
             {
                 if ( cards.getLength( ) > 0 )
                 {
                     Element cardElement = (Element) cards.item( cards.getLength( ) - 1 );
                     cardElement.getParentNode( ).appendChild( newCard );
                 }
                 else
                 {
                     document.appendChild( newCard );
                 }
             }
             else
             {
                 boolean hasToShift = false;
 
                 for ( int i = 0; i < cards.getLength( ); i++ )
                 {
                     Element cardElement = (Element) cards.item( i );
                     String seq = cardElement.getAttribute( SEQ_ATTRIBUTE );
 
                     if ( cardElement.getAttribute( ID_ATTRIBUTE ).equals( currentCard.getSiblingCardId( ) ) )
                     {
                         if ( currentCard.getPosition( ) == 1 )
                         {
                             if ( seq != null )
                             {
                                 newCard.setAttribute( SEQ_ATTRIBUTE, "" + Integer.parseInt( seq ) );
                                 cardElement.setAttribute( SEQ_ATTRIBUTE, "" + ( Integer.parseInt( seq ) + 1 ) );
                             }
 
                             cardElement.getParentNode( ).insertBefore( newCard, cardElement );
                         }
                         else
                         {
                             if ( seq != null )
                             {
                                 newCard.setAttribute( SEQ_ATTRIBUTE, "" + ( Integer.parseInt( seq ) + 1 ) );
                             }
 
                             cardElement.getParentNode( ).insertBefore( newCard, cardElement.getNextSibling( ) );
                         }
 
                         i++;
                         hasToShift = true;
                     }
                     else if ( hasToShift && ( seq != null ) )
                     {
                         cardElement.setAttribute( SEQ_ATTRIBUTE, "" + ( Integer.parseInt( seq ) + 1 ) );
                     }
                 }
                 //if card was not added, we add it at the end
                 if ( !hasToShift )
                 {
                     Element cardElement = (Element) cards.item( cards.getLength( ) - 1 );
                     cardElement.getParentNode( ).insertBefore( newCard, null );
                 }
             }
 
             document.getDocumentElement( ).normalize( );
         }
 
         return document;
     }
 
     @Override
     public List<LocalCardDTO> findLocalCardsByParentFolder( String idParent )
     {
         return _dilaLocalCardDAO.findLocalCardsByParentFolder( idParent );
     }
 }