/*
    * 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.coa.document;
  
  import java.util.Map;
  
  import org.apache.commons.lang.StringUtils;
  import org.apache.log4j.Logger;
  import org.kuali.ole.coa.businessobject.A21SubAccount;
  import org.kuali.ole.coa.businessobject.Account;
  import org.kuali.ole.coa.businessobject.SubAccount;
  import org.kuali.ole.coa.service.A21SubAccountService;
  import org.kuali.ole.coa.service.AccountService;
  import org.kuali.ole.sys.OLEConstants;
  import org.kuali.ole.sys.OLEPropertyConstants;
  import org.kuali.ole.sys.context.SpringContext;
  import org.kuali.ole.sys.document.FinancialSystemMaintainable;
  import org.kuali.rice.kim.api.identity.Person;
  import org.kuali.rice.kns.document.MaintenanceDocument;
  import org.kuali.rice.kns.document.authorization.MaintenanceDocumentRestrictions;
  import org.kuali.rice.krad.bo.PersistableBusinessObject;
  import org.kuali.rice.krad.util.GlobalVariables;
  import org.kuali.rice.krad.util.ObjectUtils;
  
  /**
   * This class...
   */
  public class SubAccountMaintainableImpl extends FinancialSystemMaintainable {
      private static final Logger LOG = Logger.getLogger(SubAccountMaintainableImpl.class);
  
      // account fields that are PKs of nested reference accounts but don't exist in the Sub-Account BO as FKs.
      public static final String[] COA_CODE_NAMES = {        
          OLEPropertyConstants.A21_SUB_ACCOUNT + "." + OLEPropertyConstants.COST_SHARE_SOURCE_CHART_OF_ACCOUNTS_CODE, 
      };
      public static final String[] ACCOUNT_NUMBER_NAMES = {        
          OLEPropertyConstants.A21_SUB_ACCOUNT + "." + OLEPropertyConstants.COST_SHARE_SOURCE_ACCOUNT_NUMBER, 
      };
  
      /**
       * @see org.kuali.rice.kns.maintenance.KualiMaintainableImpl#refresh(java.lang.String, java.util.Map,
       *      org.kuali.rice.kns.document.MaintenanceDocument)
       */
      @Override
      public void refresh(String refreshCaller, Map fieldValues, MaintenanceDocument document) {
          super.refresh(refreshCaller, fieldValues, document);
  
          Person person = GlobalVariables.getUserSession().getPerson();
          MaintenanceDocumentRestrictions restrictions = getBusinessObjectAuthorizationService().getMaintenanceDocumentRestrictions(document, person);
          boolean canEdit = !restrictions.isHiddenSectionId(OLEConstants.SUB_ACCOUNT_EDIT_CG_ICR_SECTION_ID) && !restrictions.isReadOnlySectionId(OLEConstants.SUB_ACCOUNT_EDIT_CG_ICR_SECTION_ID);
          
          // after account lookup, refresh the CG ICR account fields
          if (refreshCaller != null && (refreshCaller.toUpperCase().endsWith(OLEConstants.LOOKUPABLE_SUFFIX.toUpperCase())) && fieldValues.containsKey("document.newMaintainableObject.accountNumber") && canEdit) {
              SubAccount subAccount = (SubAccount) this.getBusinessObject();
              this.populateCGIcrFields(subAccount);
          }
      }
  
      // populate the CG ICR fields if any
      private void populateCGIcrFields(SubAccount subAccount) {
          A21SubAccount a21SubAccount = subAccount.getA21SubAccount();
          String chartOfAccountsCode = subAccount.getChartOfAccountsCode();
          String accountNumber = subAccount.getAccountNumber();
          
          //populate ICR fields if subAccount COA or Acct does not match a21SubAccount COA/Acct
          if (ObjectUtils.isNotNull(a21SubAccount) && (!StringUtils.equals(chartOfAccountsCode, a21SubAccount.getChartOfAccountsCode()) || !StringUtils.equals(accountNumber, a21SubAccount.getAccountNumber()))) {                  
              A21SubAccountService a21SubAccountService = SpringContext.getBean(A21SubAccountService.class);
              a21SubAccountService.populateCgIcrAccount(a21SubAccount, chartOfAccountsCode, accountNumber);
          }
      }
      
      /**
       * @see org.kuali.ole.sys.document.FinancialSystemMaintainable#populateChartOfAccountsCodeFields()
       * 
       * Special treatment is needed to populate chart code fields from account number fields 
       * in nested reference accounts a21SubAccount.costShareAccount 
       * when accounts can't cross charts.
       */
      @Override
      protected void populateChartOfAccountsCodeFields() {
          super.populateChartOfAccountsCodeFields();
          PersistableBusinessObject bo = getBusinessObject();        
          AccountService acctService = SpringContext.getBean(AccountService.class);
  
          for (int i=0; i<COA_CODE_NAMES.length; i++) {
              String coaCodeName = COA_CODE_NAMES[i];            
              String acctNumName = ACCOUNT_NUMBER_NAMES[i];        
             String accountNumber = (String)ObjectUtils.getPropertyValue(bo, acctNumName);
             String coaCode = null;
             Account account = acctService.getUniqueAccountForAccountNumber(accountNumber);            
             if (ObjectUtils.isNotNull(account)) {
                 coaCode = account.getChartOfAccountsCode();
             }
             try {
                 ObjectUtils.setObjectProperty(bo, coaCodeName, coaCode); 
             }
             catch (Exception e) {
                 LOG.error("Error in setting property value for " + coaCodeName);
             } 
         }
     }
     
 }