/*
    * 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.crmclient.service.processor;
  
  import fr.paris.lutece.plugins.crmclient.business.ICRMItem;
  import fr.paris.lutece.plugins.crmclient.service.authenticator.AuthenticatorService;
  import fr.paris.lutece.plugins.crmclient.util.CRMException;
  import fr.paris.lutece.plugins.crmclient.util.http.HttpMethodEnum;
  import fr.paris.lutece.plugins.crmclient.util.http.IWebServiceCaller;
  import fr.paris.lutece.util.url.UrlItem;
  
  import org.springframework.beans.factory.InitializingBean;
  
  import org.springframework.util.Assert;
  
  import java.util.ArrayList;
  import java.util.List;
  import java.util.Map.Entry;
  
  import javax.inject.Inject;
  import javax.inject.Named;
  
  /**
   *
   * CRMClientWSProcessor
   *
   */
  public class CRMClientWSProcessor implements ICRMClientProcessor, InitializingBean
  {
      private List<String> _listSignatureElements;
      @Inject
      @Named( "crmclient.webServiceCaller" )
      private IWebServiceCaller _webServiceCaller;
      @Inject
      @Named( "crmclient.requestAuthenticatorService" )
      private AuthenticatorService _authenticatorService;
  
      /**
       * {@inheritDoc}
       */
      @Override
      public String doProcess( ICRMItem crmItem ) throws CRMException
      {
          // List elements to include to the signature
          List<String> listElements = buildListElements( crmItem );
  
          return _webServiceCaller.callWebService( crmItem.getUrlForWS( ), crmItem.getParameters( ),
                  _authenticatorService.getRequestAuthenticatorForWs( crmItem.getCRMWebAppCode( ) ), listElements, HttpMethodEnum.POST );
      }
  
      /**
       * {@inheritDoc}
       */
      @Override
      public String getProcess( ICRMItem crmItem ) throws CRMException
      {
          // List elements to include to the signature
          List<String> listElements = buildListElements( crmItem );
          UrlItem url = new UrlItem( crmItem.getUrlForWS( ) );
  
          for ( Entry<String, String> parameter : crmItem.getParameters( ).entrySet( ) )
          {
              url.addParameter( parameter.getKey( ), parameter.getValue( ) );
          }
  
          return _webServiceCaller.callWebService( url.getUrl( ), crmItem.getParameters( ),
                  _authenticatorService.getRequestAuthenticatorForWs( crmItem.getCRMWebAppCode( ) ), listElements, HttpMethodEnum.GET );
      }
 
     /**
      * {@inheritDoc}
      */
     @Override
     public void afterPropertiesSet( ) throws Exception
     {
         Assert.notNull( _webServiceCaller, "The WebService Caller must be set." );
         Assert.notNull( _listSignatureElements, "The list of signature elements must be set." );
     }
 
     /**
      * Set the signature elements
      * 
      * @param listSignatureElements
      *            the signature elements
      */
     public void setSignatureElements( List<String> listSignatureElements )
     {
         _listSignatureElements = listSignatureElements;
     }
 
     /**
      * Set the web service caller
      * 
      * @param webServiceCaller
      *            the web service caller
      */
     public void setWebServiceCaller( IWebServiceCaller webServiceCaller )
     {
         _webServiceCaller = webServiceCaller;
     }
 
     /**
      * Build the list of elements to put on the request authenticator
      * 
      * @param crmItem
      *            the crm item
      * @return the list of elements
      */
     private List<String> buildListElements( ICRMItem crmItem )
     {
         List<String> listElements = new ArrayList<String>( );
 
         for ( String signatureElement : _listSignatureElements )
         {
             if ( crmItem.getParameters( ).containsKey( signatureElement ) )
             {
                 listElements.add( crmItem.getParameters( ).get( signatureElement ) );
             }
         }
 
         return listElements;
     }
 }