/*
    * Copyright 2011 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.select.document.validation.impl;
  
  import org.kuali.ole.module.purap.PurapConstants.PREQDocumentsStrings;
  import org.kuali.ole.module.purap.PurapPropertyConstants;
  import org.kuali.ole.module.purap.document.PurchaseOrderDocument;
  import org.kuali.ole.module.purap.document.service.PurchaseOrderService;
  import org.kuali.ole.select.OleSelectConstant;
  import org.kuali.ole.select.document.OleInvoiceDocument;
  import org.kuali.ole.select.document.OlePaymentRequestDocument;
  import org.kuali.ole.select.document.service.OleInvoiceService;
  import org.kuali.ole.sys.OLEConstants;
  import org.kuali.ole.sys.OLEKeyConstants;
  import org.kuali.ole.sys.OLEPropertyConstants;
  import org.kuali.ole.sys.context.SpringContext;
  import org.kuali.ole.sys.document.validation.GenericValidation;
  import org.kuali.ole.sys.document.validation.event.AttributedDocumentEvent;
  import org.kuali.ole.vnd.businessobject.OleExchangeRate;
  import org.kuali.rice.core.api.util.type.KualiDecimal;
  import org.kuali.rice.krad.service.KRADServiceLocator;
  import org.kuali.rice.krad.util.GlobalVariables;
  import org.kuali.rice.krad.util.ObjectUtils;
  
  import java.math.RoundingMode;
  import java.util.HashMap;
  import java.util.Iterator;
  import java.util.List;
  import java.util.Map;
  
  public class OlePaymentRequestInvoiceValidation extends GenericValidation {
      private boolean currencyTypeIndicator = true;
  
      public boolean validate(AttributedDocumentEvent event) {
          boolean valid = true;
          OlePaymentRequestDocument document = (OlePaymentRequestDocument) event.getDocument();
          GlobalVariables.getMessageMap().clearErrorPath();
          GlobalVariables.getMessageMap().addToErrorPath(OLEPropertyConstants.DOCUMENT);
          PurchaseOrderDocument po = null;
          if (ObjectUtils.isNull(document.getPurchaseOrderIdentifier())) {
              GlobalVariables.getMessageMap().putError(PurapPropertyConstants.PURCHASE_ORDER_IDENTIFIER, OLEKeyConstants.ERROR_REQUIRED, PREQDocumentsStrings.PURCHASE_ORDER_ID);
              valid &= false;
          } else {
              po = SpringContext.getBean(PurchaseOrderService.class).getCurrentPurchaseOrder(document.getPurchaseOrderIdentifier());
          }
          if (ObjectUtils.isNull(document.getInvoiceDate())) {
              GlobalVariables.getMessageMap().putError(PurapPropertyConstants.INVOICE_DATE, OLEKeyConstants.ERROR_REQUIRED, PREQDocumentsStrings.INVOICE_DATE);
              valid &= false;
          }
          /*if (StringUtils.isBlank(document.getInvoiceNumber())) {
              GlobalVariables.getMessageMap().putError(PurapPropertyConstants.INVOICE_NUMBER, OLEKeyConstants.ERROR_REQUIRED, PREQDocumentsStrings.INVOICE_NUMBER);
              valid &= false;
          }*/
          if (po.getVendorDetail().getCurrencyType()!=null){
              Integer invoiceIdentifier = document.getInvoiceIdentifier();
              Map invoiceIdentifierMap = new HashMap();
              invoiceIdentifierMap.put(OLEConstants.PUR_DOC_IDENTIFIER, invoiceIdentifier);
              OleInvoiceDocument oleInvoiceDocument = (OleInvoiceDocument) KRADServiceLocator.getBusinessObjectService().findByPrimaryKey(OleInvoiceDocument.class, invoiceIdentifierMap);
              if (ObjectUtils.isNotNull(oleInvoiceDocument)) {
                  Long invoiceCurrencyTypeId = oleInvoiceDocument.getInvoiceCurrencyTypeId();
                  String currencyType = SpringContext.getBean(OleInvoiceService.class).getCurrencyType(invoiceCurrencyTypeId.toString());
                  if(currencyType.equalsIgnoreCase(OleSelectConstant.CURRENCY_TYPE_NAME)){
                      currencyTypeIndicator=true;
                  }
                  else{
                      currencyTypeIndicator=false;
                  }
              }
          }
  
          if (po != null && (!currencyTypeIndicator)) {
              if (ObjectUtils.isNull(document.getForeignVendorInvoiceAmount())) {
                  GlobalVariables.getMessageMap().putError(OleSelectConstant.FOREIGN_VENDOR_INVOICE_AMOUNT, OLEKeyConstants.ERROR_REQUIRED, OleSelectConstant.FOREIGN_VENDOR_INVOICE_AMOUNT_STRING);
                  valid &= false;
              } else {
                  Long currencyTypeId = po.getVendorDetail().getCurrencyType().getCurrencyTypeId();
                  Map documentNumberMap = new HashMap();
                  documentNumberMap.put(OleSelectConstant.CURRENCY_TYPE_ID, currencyTypeId);
                  org.kuali.rice.krad.service.BusinessObjectService businessObjectService = SpringContext.getBean(org.kuali.rice.krad.service.BusinessObjectService.class);
                  List<OleExchangeRate> exchangeRateList = (List) businessObjectService.findMatchingOrderBy(OleExchangeRate.class, documentNumberMap, OleSelectConstant.EXCHANGE_RATE_DATE, false);
                  Iterator iterator = exchangeRateList.iterator();
                  if (iterator.hasNext()) {
                      OleExchangeRate tempOleExchangeRate = (OleExchangeRate) iterator.next();
                      document.setVendorInvoiceAmount(new KualiDecimal(document.getForeignVendorInvoiceAmount().divide(tempOleExchangeRate.getExchangeRate(), 4, RoundingMode.HALF_UP)));
                  }
  
             }
         }
         if (ObjectUtils.isNull(document.getVendorInvoiceAmount())) {
             GlobalVariables.getMessageMap().putError(PurapPropertyConstants.VENDOR_INVOICE_AMOUNT, OLEKeyConstants.ERROR_REQUIRED, PREQDocumentsStrings.VENDOR_INVOICE_AMOUNT);
             valid &= false;
         }
         GlobalVariables.getMessageMap().clearErrorPath();
         return valid;
     }
 
 }