/*
    * Copyright 2009 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.fp.businessobject.lookup;
  
  import java.util.ArrayList;
  import java.util.List;
  
  import org.apache.commons.lang.StringUtils;
  import org.kuali.ole.fp.businessobject.CashDrawer;
  import org.kuali.ole.fp.document.service.CashReceiptService;
  import org.kuali.ole.fp.service.CashDrawerService;
  import org.kuali.rice.kns.lookup.HtmlData;
  import org.kuali.rice.kns.lookup.KualiLookupableHelperServiceImpl;
  import org.kuali.rice.krad.bo.BusinessObject;
  import org.kuali.rice.krad.document.DocumentAuthorizer;
  import org.kuali.rice.krad.service.KRADServiceLocatorWeb;
  import org.kuali.rice.krad.util.GlobalVariables;
  import org.kuali.rice.krad.util.KRADConstants;
  
  /**
   * Override of KualiLookupableHelperServiceImpl to prevent the editing and copying of Cash Drawers.  Also to
   * keep the hobbitses away from my precious.
   */
  public class CashDrawerLookupableHelperServiceImpl extends KualiLookupableHelperServiceImpl {
      protected CashReceiptService cashReceiptService;
      protected CashDrawerService cashDrawerService;
  
      /**
       * Return an empty list - you can't edit or copy cash drawers.
       * @see org.kuali.rice.kns.lookup.AbstractLookupableHelperServiceImpl#getCustomActionUrls(org.kuali.rice.krad.bo.BusinessObject, java.util.List)
       */
      @Override
      public List<HtmlData> getCustomActionUrls(BusinessObject businessObject, List pkNames) {
          List<HtmlData> htmlDataList = new ArrayList<HtmlData>();
          if (StringUtils.isNotBlank(getMaintenanceDocumentTypeName()) && allowsMaintenanceEditAction(businessObject) && isEditOfCashDrawerAuthorized((CashDrawer)businessObject) && ((CashDrawer)businessObject).isClosed()) {
              htmlDataList.add(getUrlData(businessObject, KRADConstants.MAINTENANCE_EDIT_METHOD_TO_CALL, pkNames));
          }
          return htmlDataList;
      }
  
      /**
       *
       * @param cashDrawer
       * @return
       */
      protected boolean isEditOfCashDrawerAuthorized(CashDrawer cashDrawer) {
          String cashDrawerDocType = KRADServiceLocatorWeb.getDocumentDictionaryService().getMaintenanceDocumentTypeName(CashDrawer.class);
          DocumentAuthorizer documentAuthorizer = KRADServiceLocatorWeb.getDocumentDictionaryService().getDocumentAuthorizer(cashDrawerDocType);
          return documentAuthorizer.canInitiate(cashDrawerDocType, GlobalVariables.getUserSession().getPerson());
      }
  
      /**
       * Overridden to see if the current user already has a cash drawer created associated with their campus - if
       * there is a cash drawer already, then no new or copy is allowed
       * @see org.kuali.rice.kns.lookup.AbstractLookupableHelperServiceImpl#allowsMaintenanceNewOrCopyAction()
       */
      @Override
      public boolean allowsMaintenanceNewOrCopyAction() {
          final String currentUserCampus = cashReceiptService.getCashReceiptVerificationUnitForUser(GlobalVariables.getUserSession().getPerson());
          final CashDrawer cashDrawer = cashDrawerService.getByCampusCode(currentUserCampus);
  
          if (cashDrawer != null) {
              return false;
          }
          return super.allowsMaintenanceNewOrCopyAction();
      }
  
      public void setCashDrawerService(CashDrawerService cashDrawerService) {
          this.cashDrawerService = cashDrawerService;
      }
  
      public void setCashReceiptService(CashReceiptService cashReceiptService) {
          this.cashReceiptService = cashReceiptService;
      }
  
  }