/*
    * Copyright 2007 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.gl.batch.service.impl;
  
  import java.util.Collection;
  import java.util.HashMap;
  import java.util.Map;
  
  import org.kuali.ole.gl.batch.dataaccess.OrganizationReversionUnitOfWorkDao;
  import org.kuali.ole.gl.batch.service.OrganizationReversionUnitOfWorkService;
  import org.kuali.ole.gl.businessobject.OrgReversionUnitOfWork;
  import org.kuali.ole.gl.businessobject.OrgReversionUnitOfWorkCategoryAmount;
  import org.kuali.rice.krad.service.BusinessObjectService;
  import org.springframework.transaction.annotation.Transactional;
  
  /**
   * The base implementation of OrganizationReversionUnitOfWorkService
   */
  @Transactional
  public class OrganizationReversionUnitOfWorkServiceImpl implements OrganizationReversionUnitOfWorkService {
      private static final org.apache.log4j.Logger LOG = org.apache.log4j.Logger.getLogger(OrganizationReversionUnitOfWorkServiceImpl.class);
      
      protected BusinessObjectService businessObjectService;
      protected OrganizationReversionUnitOfWorkDao orgReversionUnitOfWorkDao;
  
      /**
       * This method takes a unit of work retrieved from the persistence store and loads its categories
       * 
       * @param orgRevUnitOfWork org reversion unit of work to load categories for
       * @return the org reversion unit of work with loaded categories
       * @see org.kuali.ole.gl.batch.service.OrganizationReversionUnitOfWorkService#loadCategories(org.kuali.ole.gl.businessobject.OrgReversionUnitOfWork)
       */
      public OrgReversionUnitOfWork loadCategories(OrgReversionUnitOfWork orgRevUnitOfWork) {
          Map<String,Object> criteria = new HashMap<String, Object>();
          criteria.put("chartOfAccountsCode", orgRevUnitOfWork.chartOfAccountsCode);
          criteria.put("accountNbr", orgRevUnitOfWork.accountNumber);
          criteria.put("subAccountNbr", orgRevUnitOfWork.subAccountNumber);
  
          Collection<OrgReversionUnitOfWorkCategoryAmount> categoryAmounts = businessObjectService.findMatching(OrgReversionUnitOfWorkCategoryAmount.class, criteria);
          Map<String, OrgReversionUnitOfWorkCategoryAmount> categories = orgRevUnitOfWork.getCategoryAmounts();
          for ( OrgReversionUnitOfWorkCategoryAmount catAmount : categoryAmounts ) {
              categories.put(catAmount.getCategoryCode(), catAmount);
          }
          return orgRevUnitOfWork;
      }
  
      /**
       * Immediate deletion awaits all entries of the unit of work summary tables in the persistence store once
       * you call this method, for this method is both powerful and deadly and also gets called to clear out
       * those tables before every single org reversion run.
       * @see org.kuali.ole.gl.batch.service.OrganizationReversionUnitOfWorkService#removeAll()
       */
      public void destroyAllUnitOfWorkSummaries() {
          orgReversionUnitOfWorkDao.destroyAllUnitOfWorkSummaries();
      }
  
      /**
       * This save method is guaranteed to save the category data as well.
       * 
       * @param orgRevUnitOfWork organizationReversionUnitOfWork to save
       * @see org.kuali.ole.gl.batch.service.OrganizationReversionUnitOfWorkService#save(org.kuali.ole.gl.businessobject.OrgReversionUnitOfWork)
       */
      public void save(OrgReversionUnitOfWork orgRevUnitOfWork) {
          if (LOG.isDebugEnabled()) {
              LOG.debug("Saving org reversion summary for " + orgRevUnitOfWork.toString() + "; its category keys are: " + orgRevUnitOfWork.getCategoryAmounts().keySet());
          }
          businessObjectService.save(orgRevUnitOfWork);
          for (String category: orgRevUnitOfWork.getCategoryAmounts().keySet()) {
              final OrgReversionUnitOfWorkCategoryAmount categoryAmount = orgRevUnitOfWork.getCategoryAmounts().get(category);
              if (LOG.isDebugEnabled()) {
                  LOG.debug("Saving category amount for " + categoryAmount.toString());
              }
              businessObjectService.save(categoryAmount);
      }
      }
  
      /**
       * Sets the businessObjectService attribute value.
       * 
       * @param businessObjectService The businessObjectService to set.
       */
      public void setBusinessObjectService(BusinessObjectService businessObjectService) {
          this.businessObjectService = businessObjectService;
      }
  
      /**
      * Sets the orgReversionUnitOfWorkDao attribute value.
      * 
      * @param orgReversionUnitOfWorkDao The orgReversionUnitOfWorkDao to set.
      */
     public void setOrgReversionUnitOfWorkDao(OrganizationReversionUnitOfWorkDao orgReversionUnitOfWorkDao) {
         this.orgReversionUnitOfWorkDao = orgReversionUnitOfWorkDao;
     }
 
 }