/*
    * The Kuali Financial System, a comprehensive financial management system for higher education.
    * 
    * Copyright 2005-2014 The Kuali Foundation
    * 
    * This program is free software: you can redistribute it and/or modify
    * it under the terms of the GNU Affero General Public License as
    * published by the Free Software Foundation, either version 3 of the
    * License, or (at your option) any later version.
   * 
   * This program is distributed in the hope that it will be useful,
   * but WITHOUT ANY WARRANTY; without even the implied warranty of
   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   * GNU Affero General Public License for more details.
   * 
   * You should have received a copy of the GNU Affero General Public License
   * along with this program.  If not, see <http://www.gnu.org/licenses/>.
   */
  package org.kuali.kfs.module.purap.document.validation.impl;
  
  import java.math.BigDecimal;
  
  import org.kuali.kfs.module.purap.PurapConstants;
  import org.kuali.kfs.module.purap.PurapKeyConstants;
  import org.kuali.kfs.module.purap.businessobject.PurApAccountingLine;
  import org.kuali.kfs.module.purap.businessobject.PurApItem;
  import org.kuali.kfs.sys.document.validation.GenericValidation;
  import org.kuali.kfs.sys.document.validation.event.AttributedDocumentEvent;
  import org.kuali.rice.krad.util.GlobalVariables;
  
  public class PurchasingAccountsPayableAccountTotalValidation extends GenericValidation {
  
      private PurApItem itemForValidation;
      
      /** 
       * Verifies account percent. If the total percent does not equal 100, the validation fails. 
       */
      public boolean validate(AttributedDocumentEvent event) {
          boolean valid = true;
          
       // validate that the amount total 
          BigDecimal totalAmount = BigDecimal.ZERO;
          BigDecimal desiredAmount = 
              (itemForValidation.getTotalAmount() == null) ? new BigDecimal(0) : itemForValidation.getTotalAmount().bigDecimalValue();
          for (PurApAccountingLine account : itemForValidation.getSourceAccountingLines()) {
              if (account.getAmount() != null) {
                  totalAmount = totalAmount.add(account.getAmount().bigDecimalValue());
              }
              else {
                  totalAmount = totalAmount.add(BigDecimal.ZERO);
              }
          }
          if (desiredAmount.compareTo(totalAmount) != 0) {
              GlobalVariables.getMessageMap().putError(PurapConstants.ITEM_TAB_ERROR_PROPERTY, PurapKeyConstants.ERROR_ITEM_ACCOUNTING_TOTAL_AMOUNT, itemForValidation.getItemIdentifierString(),desiredAmount.toString());
              valid = false;
          }
  
  
          return valid;
      }
  
      public PurApItem getItemForValidation() {
          return itemForValidation;
      }
  
      public void setItemForValidation(PurApItem itemForValidation) {
          this.itemForValidation = itemForValidation;
      }
  
  }