/*
    * Copyright 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.fp.document.validation.impl;
  
  import org.kuali.ole.fp.businessobject.BudgetAdjustmentAccountingLine;
  import org.kuali.ole.sys.OLEKeyConstants;
  import org.kuali.ole.sys.OLEPropertyConstants;
  import org.kuali.ole.sys.document.AccountingDocument;
  import org.kuali.ole.sys.document.service.DebitDeterminerService;
  import org.kuali.ole.sys.document.validation.GenericValidation;
  import org.kuali.ole.sys.document.validation.event.AttributedDocumentEvent;
  import org.kuali.rice.core.api.util.type.KualiDecimal;
  import org.kuali.rice.krad.util.GlobalVariables;
  
  /**
   * Validation that checks the amounts on budget adjustment document accounting lines.
   */
  public class BudgetAdjustmentAccountingLineAmountValidation extends GenericValidation {
      private BudgetAdjustmentAccountingLine accountingLineForValidation;
      private AccountingDocument accountingDocumentForValidation;
      private DebitDeterminerService debitDeterminerService;
  
      /**
       * Validates the amounts on a budget adjustment accounting line, making sure that either the current adjustment amount or the base adjustment amount are not zero,
       * and that all given amounts are positive.
       * @see org.kuali.ole.sys.document.validation.Validation#validate(org.kuali.ole.sys.document.validation.event.AttributedDocumentEvent)
       */
      public boolean validate(AttributedDocumentEvent event) {
          boolean amountValid = true;
  
          // check amounts both current and base amounts are not zero
          if (getAccountingLineForValidation().getCurrentBudgetAdjustmentAmount().isZero() && getAccountingLineForValidation().getBaseBudgetAdjustmentAmount().isZero()) {
              GlobalVariables.getMessageMap().putError(OLEPropertyConstants.BASE_BUDGET_ADJUSTMENT_AMOUNT, OLEKeyConstants.ERROR_BA_AMOUNT_ZERO);
              amountValid = false;
          }
  
          // if not an error correction, all amounts must be positive
          if (!debitDeterminerService.isErrorCorrection(getAccountingDocumentForValidation())) {
              amountValid &= checkAmountSign(getAccountingLineForValidation().getCurrentBudgetAdjustmentAmount(), OLEPropertyConstants.CURRENT_BUDGET_ADJUSTMENT_AMOUNT, "Current");
              amountValid &= checkAmountSign(getAccountingLineForValidation().getBaseBudgetAdjustmentAmount(), OLEPropertyConstants.BASE_BUDGET_ADJUSTMENT_AMOUNT, "Base");
              amountValid &= checkAmountSign(getAccountingLineForValidation().getFinancialDocumentMonth1LineAmount(), OLEPropertyConstants.FINANCIAL_DOCUMENT_MONTH_1_LINE_AMOUNT, "Month 1");
              amountValid &= checkAmountSign(getAccountingLineForValidation().getFinancialDocumentMonth2LineAmount(), OLEPropertyConstants.FINANCIAL_DOCUMENT_MONTH_2_LINE_AMOUNT, "Month 2");
              amountValid &= checkAmountSign(getAccountingLineForValidation().getFinancialDocumentMonth3LineAmount(), OLEPropertyConstants.FINANCIAL_DOCUMENT_MONTH_3_LINE_AMOUNT, "Month 3");
              amountValid &= checkAmountSign(getAccountingLineForValidation().getFinancialDocumentMonth4LineAmount(), OLEPropertyConstants.FINANCIAL_DOCUMENT_MONTH_4_LINE_AMOUNT, "Month 4");
              amountValid &= checkAmountSign(getAccountingLineForValidation().getFinancialDocumentMonth5LineAmount(), OLEPropertyConstants.FINANCIAL_DOCUMENT_MONTH_5_LINE_AMOUNT, "Month 5");
              amountValid &= checkAmountSign(getAccountingLineForValidation().getFinancialDocumentMonth6LineAmount(), OLEPropertyConstants.FINANCIAL_DOCUMENT_MONTH_6_LINE_AMOUNT, "Month 6");
              amountValid &= checkAmountSign(getAccountingLineForValidation().getFinancialDocumentMonth7LineAmount(), OLEPropertyConstants.FINANCIAL_DOCUMENT_MONTH_7_LINE_AMOUNT, "Month 7");
              amountValid &= checkAmountSign(getAccountingLineForValidation().getFinancialDocumentMonth8LineAmount(), OLEPropertyConstants.FINANCIAL_DOCUMENT_MONTH_8_LINE_AMOUNT, "Month 8");
              amountValid &= checkAmountSign(getAccountingLineForValidation().getFinancialDocumentMonth8LineAmount(), OLEPropertyConstants.FINANCIAL_DOCUMENT_MONTH_9_LINE_AMOUNT, "Month 9");
              amountValid &= checkAmountSign(getAccountingLineForValidation().getFinancialDocumentMonth10LineAmount(), OLEPropertyConstants.FINANCIAL_DOCUMENT_MONTH_10_LINE_AMOUNT, "Month 10");
              amountValid &= checkAmountSign(getAccountingLineForValidation().getFinancialDocumentMonth10LineAmount(), OLEPropertyConstants.FINANCIAL_DOCUMENT_MONTH_11_LINE_AMOUNT, "Month 11");
              amountValid &= checkAmountSign(getAccountingLineForValidation().getFinancialDocumentMonth12LineAmount(), OLEPropertyConstants.FINANCIAL_DOCUMENT_MONTH_12_LINE_AMOUNT, "Month 12");
          }
  
          return amountValid;
      }
  
      /**
       * Helper method to check if an amount is negative and add an error if not.
       * 
       * @param amount to check
       * @param propertyName to add error under
       * @param label for error
       * @return boolean indicating if the value has the requested sign
       */
      protected boolean checkAmountSign(KualiDecimal amount, String propertyName, String label) {
          boolean correctSign = true;
  
          if (amount.isNegative()) {
              GlobalVariables.getMessageMap().putError(propertyName, OLEKeyConstants.ERROR_BA_AMOUNT_NEGATIVE, label);
              correctSign = false;
          }
  
          return correctSign;
      }
  
  
      /**
       * Gets the accountingLineForValidation attribute. 
       * @return Returns the accountingLineForValidation.
       */
      public BudgetAdjustmentAccountingLine getAccountingLineForValidation() {
          return accountingLineForValidation;
      }
  
      /**
      * Sets the accountingLineForValidation attribute value.
      * @param accountingLineForValidation The accountingLineForValidation to set.
      */
     public void setAccountingLineForValidation(BudgetAdjustmentAccountingLine accountingLineForValidation) {
         this.accountingLineForValidation = accountingLineForValidation;
     }
 
     /**
      * Gets the accountingDocumentForValidation attribute. 
      * @return Returns the accountingDocumentForValidation.
      */
     public AccountingDocument getAccountingDocumentForValidation() {
         return accountingDocumentForValidation;
     }
 
     /**
      * Sets the accountingDocumentForValidation attribute value.
      * @param accountingDocumentForValidation The accountingDocumentForValidation to set.
      */
     public void setAccountingDocumentForValidation(AccountingDocument accountingDocumentForValidation) {
         this.accountingDocumentForValidation = accountingDocumentForValidation;
     }
 
     /**
      * Gets the debitDeterminerService attribute. 
      * @return Returns the debitDeterminerService.
      */
     public DebitDeterminerService getDebitDeterminerService() {
         return debitDeterminerService;
     }
 
     /**
      * Sets the debitDeterminerService attribute value.
      * @param debitDeterminerService The debitDeterminerService to set.
      */
     public void setDebitDeterminerService(DebitDeterminerService debitDeterminerService) {
         this.debitDeterminerService = debitDeterminerService;
     }
 }