/*
    * 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 edu.sampleu.travel.web.action;
  
  import java.util.Iterator;
  
  import javax.servlet.http.HttpServletRequest;
  import javax.servlet.http.HttpServletResponse;
  
  import org.apache.commons.lang.StringUtils;
  import org.apache.struts.action.ActionForm;
  import org.apache.struts.action.ActionForward;
  import org.apache.struts.action.ActionMapping;
  import org.kuali.rice.core.util.RiceConstants;
  import org.kuali.rice.core.util.RiceKeyConstants;
  import org.kuali.rice.kns.web.struts.action.KualiTransactionalDocumentActionBase;
  import org.kuali.rice.krad.exception.ValidationException;
  import org.kuali.rice.krad.service.KRADServiceLocator;
  import org.kuali.rice.krad.util.GlobalVariables;
  import org.kuali.rice.krad.util.KRADConstants;
  
  import edu.sampleu.travel.bo.TravelAccount;
  import edu.sampleu.travel.document.TravelDocument2;
  import edu.sampleu.travel.web.form.TravelDocumentForm2;
  
  public class TravelDocumentAction2 extends KualiTransactionalDocumentActionBase {
  
      public ActionForward insertAccount(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response) throws Exception {
          TravelDocumentForm2 travelForm = (TravelDocumentForm2) form;
          TravelAccount travAcct = (TravelAccount) KRADServiceLocator.getBusinessObjectService().retrieve(travelForm.getTravelAccount());
          // Make sure a travel account was actually retrieved.
          if (travAcct == null) {
          	GlobalVariables.getMessageMap().putError("travelAccount.number", RiceKeyConstants.ERROR_CUSTOM, "Invalid travel account number");
          	throw new ValidationException("Invalid travel account number");
          }
          // Insert the travel account into the list, if the list does not already contain it.
          boolean containsNewAcct = false;
          for (Iterator<TravelAccount> travAcctIter = ((TravelDocument2) travelForm.getDocument()).getTravelAccounts().iterator(); travAcctIter.hasNext();) {
          	if (travAcctIter.next().getNumber().equals(travAcct.getNumber())) {
          		containsNewAcct = true;
          		break;
          	}
          }
          if (!containsNewAcct) {
          	((TravelDocument2) travelForm.getDocument()).getTravelAccounts().add(travAcct);
          }
          travelForm.setTravelAccount(new TravelAccount());
          return mapping.findForward(RiceConstants.MAPPING_BASIC);
      }
  
      public ActionForward deleteAccount(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response) throws Exception {
      	// Remove the travel account at the index specified in the "methodToCall" parameter.
      	TravelDocumentForm2 travelForm = (TravelDocumentForm2) form;
      	String strIndex = StringUtils.substringBetween((String) request.getAttribute(KRADConstants.METHOD_TO_CALL_ATTRIBUTE),
          		KRADConstants.METHOD_TO_CALL_PARM1_LEFT_DEL, KRADConstants.METHOD_TO_CALL_PARM1_RIGHT_DEL);
      	if (StringUtils.isNotBlank(strIndex)) {
      		((TravelDocument2) travelForm.getDocument()).getTravelAccounts().remove(Integer.parseInt(strIndex));
      	}
          return mapping.findForward(RiceConstants.MAPPING_BASIC);
      }
      
      public ActionForward refresh(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response) throws Exception {
          return mapping.findForward(RiceConstants.MAPPING_BASIC);
      }
  }