/*
    * 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.portal.business.user.attribute;
  
  import fr.paris.lutece.portal.service.user.attribute.AttributeService;
  import fr.paris.lutece.portal.service.util.AppLogService;
  import fr.paris.lutece.portal.service.util.AppPropertiesService;
  import fr.paris.lutece.util.url.UrlItem;
  
  import org.apache.commons.lang.StringUtils;
  
  import java.io.UnsupportedEncodingException;
  
  import java.net.URLEncoder;
  
  import java.util.ArrayList;
  import java.util.List;
  import java.util.Locale;
  
  import javax.servlet.http.HttpServletRequest;
  
  
  /**
   *
   * AdminUserFieldFilter
   *
   */
  public class AdminUserFieldFilter
  {
      // CONSTANTS
      private static final String CONSTANT_ESPERLUETTE = "&";
      private static final String CONSTANT_EQUAL = "=";
      private static final String CONSTANT_UNDERSCORE = "_";
      private static final int ALL_INT = -1;
  
      // PARAMETERS
      private static final String PARAMETER_SEARCH_IS_SEARCH = "search_is_search";
      private static final String PARAMETER_ATTRIBUTE = "attribute";
  
      // PROPERTIES
      private static final String PROPERTY_ENCODING_URL = "lutece.encoding.url";
      private List<AdminUserField> _listUserFields;
      private int _nIdUser = ALL_INT;
      private int _nIdAttribute = ALL_INT;
      private int _nIdField = ALL_INT;
  
      /**
       * Get list user fields
       * @return list user fields
       */
      public List<AdminUserField> getListUserFields(  )
      {
          return _listUserFields;
      }
  
      /**
       * Set list user fields
       * @param listUserFields list user fields
       */
      public void setListUserFields( List<AdminUserField> listUserFields )
      {
          _listUserFields = listUserFields;
      }
  
      /**
       * Get id user
       * @return id user
       */
     public int getIdUser(  )
     {
         return _nIdUser;
     }
 
     /**
      * Set id user
      * @param nIdUser id User
      */
     public void setIdUser( int nIdUser )
     {
         _nIdUser = nIdUser;
     }
 
     /**
      * Get id attribute
      * @return id attribute
      */
     public int getIdAttribute(  )
     {
         return _nIdAttribute;
     }
 
     /**
      * Set id attirbute
      * @param nIdAttribute id attribute
      */
     public void setIdAttribute( int nIdAttribute )
     {
         _nIdAttribute = nIdAttribute;
     }
 
     /**
      * Get id field
      * @return id field
      */
     public int getIdField(  )
     {
         return _nIdField;
     }
 
     /**
      * Set id field
      * @param nIdField id field
      */
     public void setIdField( int nIdField )
     {
         _nIdField = nIdField;
     }
 
     /**
      * Check if the filter contains an id attribute
      * @return true if it contains, false otherwise
      */
     public boolean containsIdAttribute(  )
     {
         return ( _nIdAttribute != ALL_INT );
     }
 
     /**
      * Check if the filter contains an id user
      * @return true if it contains, false otherwise
      */
     public boolean containsIdUser(  )
     {
         return ( _nIdUser != ALL_INT );
     }
 
     /**
      * Check if the filter contains an id field
      * @return true if it contains, false otherwise
      */
     public boolean containsIdField(  )
     {
         return ( _nIdField != ALL_INT );
     }
 
     /**
      * Set admin user field filter
      * @param request HttpServletRequest
      * @param locale locale
      */
     public void setAdminUserFieldFilter( HttpServletRequest request, Locale locale )
     {
         _listUserFields = new ArrayList<AdminUserField>(  );
 
         String strIsSearch = request.getParameter( PARAMETER_SEARCH_IS_SEARCH );
 
         if ( strIsSearch != null )
         {
             List<IAttribute> listAttributes = AttributeService.getInstance(  ).getAllAttributesWithoutFields( locale );
 
             for ( IAttribute attribute : listAttributes )
             {
                 for ( AdminUserField userField : attribute.getUserFieldsData( request, null ) )
                 {
                     if ( ( userField != null ) && StringUtils.isNotBlank( userField.getValue(  ) ) )
                     {
                         _listUserFields.add( userField );
                     }
                 }
             }
         }
     }
 
     /**
     * Build url attributes
     * @param url The url item
     */
     public void setUrlAttributes( UrlItem url )
     {
         for ( AdminUserField userField : _listUserFields )
         {
             try
             {
                 url.addParameter( PARAMETER_ATTRIBUTE + CONSTANT_UNDERSCORE +
                     userField.getAttribute(  ).getIdAttribute(  ),
                     URLEncoder.encode( userField.getValue(  ), AppPropertiesService.getProperty( PROPERTY_ENCODING_URL ) ) );
             }
             catch ( UnsupportedEncodingException e )
             {
                 AppLogService.error( e.getMessage(  ), e );
             }
         }
     }
 
     /**
      * Build url attributes
      * @return the url attributes
      */
     public String getUrlAttributes(  )
     {
         StringBuilder sbUrlAttributes = new StringBuilder(  );
 
         for ( AdminUserField userField : _listUserFields )
         {
             try
             {
                 sbUrlAttributes.append( CONSTANT_ESPERLUETTE + PARAMETER_ATTRIBUTE + CONSTANT_UNDERSCORE +
                     userField.getAttribute(  ).getIdAttribute(  ) + CONSTANT_EQUAL +
                     URLEncoder.encode( userField.getValue(  ), AppPropertiesService.getProperty( PROPERTY_ENCODING_URL ) ) );
             }
             catch ( UnsupportedEncodingException e )
             {
                 AppLogService.error( e.getMessage(  ), e );
             }
         }
 
         return sbUrlAttributes.toString(  );
     }
 }