/*
    * Copyright 2007-2008 The Kuali Foundation
    *
    * Licensed under the Educational Community License, Version 2.0 (the "License");
    * you may not use this file except in compliance with the License.
    * You may obtain a copy of the License at
    *
    * http://www.opensource.org/licenses/ecl2.php
    *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  package org.kuali.ole.module.purap.web.struts;
  
  import org.apache.struts.action.ActionForm;
  import org.apache.struts.action.ActionForward;
  import org.apache.struts.action.ActionMapping;
  import org.kuali.ole.module.purap.PurapPropertyConstants;
  import org.kuali.ole.module.purap.document.RequisitionDocument;
  import org.kuali.ole.module.purap.document.service.B2BShoppingService;
  import org.kuali.ole.module.purap.exception.B2BConnectionException;
  import org.kuali.ole.module.purap.exception.B2BShoppingException;
  import org.kuali.ole.module.purap.util.cxml.B2BParserHelper;
  import org.kuali.ole.module.purap.util.cxml.B2BShoppingCart;
  import org.kuali.ole.sys.OLEConstants;
  import org.kuali.ole.sys.context.SpringContext;
  import org.kuali.rice.core.api.config.property.ConfigurationService;
  import org.kuali.rice.kns.web.struts.action.KualiAction;
  import org.kuali.rice.krad.util.GlobalVariables;
  import org.kuali.rice.krad.util.ObjectUtils;
  
  import javax.servlet.http.HttpServletRequest;
  import javax.servlet.http.HttpServletResponse;
  import java.util.List;
  
  public class B2BAction extends KualiAction {
      private static org.apache.log4j.Logger LOG = org.apache.log4j.Logger.getLogger(B2BAction.class);
  
      public ActionForward shopCatalogs(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response) throws Exception {
          B2BForm b2bForm = (B2BForm) form;
          String url = SpringContext.getBean(B2BShoppingService.class).getPunchOutUrl(GlobalVariables.getUserSession().getPerson());
  
          if (ObjectUtils.isNull(url)) {
              throw new B2BConnectionException("Unable to connect to remote site for punchout.");
          }
  
          b2bForm.setShopUrl(url);
          return mapping.findForward(OLEConstants.MAPPING_BASIC);
      }
  
      public ActionForward returnFromShopping(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response) throws Exception {
          String cXml = request.getParameter("cxml-urlencoded");
          LOG.info("executeLogic() cXML returned in PunchoutOrderMessage:\n" + cXml);
  
          B2BShoppingCart cart = B2BParserHelper.getInstance().parseShoppingCartXML(cXml);
  
          if (cart.isSuccess()) {
              List requisitions = SpringContext.getBean(B2BShoppingService.class).createRequisitionsFromCxml(cart, GlobalVariables.getUserSession().getPerson());
              if (requisitions.size() > 1) {
                  request.getSession().setAttribute("multipleB2BRequisitions", "true");
              }
              request.setAttribute("forward", SpringContext.getBean(ConfigurationService.class).getPropertyValueAsString(PurapPropertyConstants.B2B_PUNCH_BACK_ACTION_FORWARDING_URL));
              request.getSession().setAttribute("docId", ((RequisitionDocument) requisitions.get(0)).getDocumentNumber());
          } else {
              if (LOG.isDebugEnabled()) {
                  LOG.debug("executeLogic() Retrieving shopping cart from cxml was unsuccessful. Error message:" + cart.getStatusText());
              }
              throw new B2BShoppingException("Retrieving shopping cart from cxml was unsuccessful. Error message:" + cart.getStatusText());
          }
  
          return (mapping.findForward("removeframe"));
      }
  
  }