/*
    * 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.module.purap.document.validation.impl;
  
  import org.apache.commons.lang.StringUtils;
  import org.kuali.ole.module.purap.PurapConstants;
  import org.kuali.ole.module.purap.PurapKeyConstants;
  import org.kuali.ole.module.purap.PurapPropertyConstants;
  import org.kuali.ole.module.purap.document.PaymentRequestDocument;
  import org.kuali.ole.module.purap.document.PurchaseOrderDocument;
  import org.kuali.ole.module.purap.document.service.PaymentRequestService;
  import org.kuali.ole.module.purap.document.service.PurapService;
  import org.kuali.ole.module.purap.document.service.PurchaseOrderService;
  import org.kuali.ole.select.document.OleVendorCreditMemoDocument;
  import org.kuali.ole.sys.document.validation.GenericValidation;
  import org.kuali.ole.sys.document.validation.event.AttributedDocumentEvent;
  import org.kuali.ole.vnd.VendorUtils;
  import org.kuali.ole.vnd.businessobject.VendorDetail;
  import org.kuali.ole.vnd.document.service.VendorService;
  import org.kuali.rice.krad.util.GlobalVariables;
  import org.kuali.rice.krad.util.ObjectUtils;
  
  public class VendorCreditMemoInitTabReferenceNumberValidation extends GenericValidation {
  
      private PaymentRequestService paymentRequestService;
      private PurapService purapService;
      private PurchaseOrderService purchaseOrderService;
      private VendorService vendorService;
  
      /**
       * Validates only one of preq, po, or vendor number was given. Then validates the existence of that number.
       */
      public boolean validate(AttributedDocumentEvent event) {
          boolean valid = true;
          OleVendorCreditMemoDocument cmDocument = (OleVendorCreditMemoDocument) event.getDocument();
          if (cmDocument.getInvoiceIdentifier() == null) {
              if (!(ObjectUtils.isNotNull(cmDocument.getPaymentRequestIdentifier()) ^ StringUtils.isNotEmpty(cmDocument.getVendorNumber()) ^ ObjectUtils.isNotNull(cmDocument.getPurchaseOrderIdentifier())) || (ObjectUtils.isNotNull(cmDocument.getPaymentRequestIdentifier()) && StringUtils.isNotEmpty(cmDocument.getVendorNumber()) && ObjectUtils.isNotNull(cmDocument.getPurchaseOrderIdentifier()))) {
                  GlobalVariables.getMessageMap().putErrorWithoutFullErrorPath(PurapPropertyConstants.PURCHASE_ORDER_IDENTIFIER, PurapKeyConstants.ERROR_CREDIT_MEMO_REQUIRED_FIELDS);
                  valid = false;
              } else {
                  // Make sure PREQ is valid if entered
                  Integer preqNumber = cmDocument.getPaymentRequestIdentifier();
                  if (ObjectUtils.isNotNull(preqNumber)) {
                      PaymentRequestDocument preq = paymentRequestService.getPaymentRequestById(preqNumber);
                      if (ObjectUtils.isNull(preq)) {
                          GlobalVariables.getMessageMap().putErrorWithoutFullErrorPath(PurapPropertyConstants.PAYMENT_REQUEST_ID, PurapKeyConstants.ERROR_CREDIT_MEMO_PAYMENT_REQEUEST_INVALID, preqNumber.toString());
                          valid = false;
                      }
  // RICE20 : !purapService.isFullDocumentEntryCompleted(preq) ||
                      else if ((PurapConstants.PaymentRequestStatuses.APPDOC_IN_PROCESS.equals(preq.getApplicationDocumentStatus())) || (PurapConstants.PaymentRequestStatuses.CANCELLED_STATUSES.contains(preq.getApplicationDocumentStatus()))) {
                          GlobalVariables.getMessageMap().putErrorWithoutFullErrorPath(PurapPropertyConstants.PAYMENT_REQUEST_ID, PurapKeyConstants.ERROR_CREDIT_MEMO_PAYMENT_REQEUEST_INVALID_SATATUS, preqNumber.toString());
                          valid = false;
                      }
                  }
  
                  // Make sure PO # is valid if entered
                  Integer purchaseOrderID = cmDocument.getPurchaseOrderIdentifier();
                  if (ObjectUtils.isNotNull(purchaseOrderID)) {
                      PurchaseOrderDocument purchaseOrder = purchaseOrderService.getCurrentPurchaseOrder(purchaseOrderID);
                      if (ObjectUtils.isNull(purchaseOrder)) {
                          GlobalVariables.getMessageMap().putError(PurapPropertyConstants.PURCHASE_ORDER_IDENTIFIER, PurapKeyConstants.ERROR_CREDIT_MEMO_PURCHASE_ORDER_INVALID, purchaseOrderID.toString());
                          valid = false;
                      } else if (purchaseOrder.isPendingActionIndicator()) {
                          GlobalVariables.getMessageMap().putError(PurapPropertyConstants.PURCHASE_ORDER_IDENTIFIER, PurapKeyConstants.ERROR_PURCHASE_PENDING_ACTION);
                          valid &= false;
                      } else if (!(StringUtils.equals(purchaseOrder.getApplicationDocumentStatus(), PurapConstants.PurchaseOrderStatuses.APPDOC_OPEN) || StringUtils.equals(purchaseOrder.getApplicationDocumentStatus(), PurapConstants.PurchaseOrderStatuses.APPDOC_CLOSED))) {
                          GlobalVariables.getMessageMap().putError(PurapPropertyConstants.PURCHASE_ORDER_IDENTIFIER, PurapKeyConstants.ERROR_CREDIT_MEMO_PURCAHSE_ORDER_INVALID_STATUS, purchaseOrderID.toString());
                          valid = false;
                      }
                  }
  
                  // Make sure vendorNumber is valid if entered
                  String vendorNumber = cmDocument.getVendorNumber();
                  if (StringUtils.isNotEmpty(vendorNumber)) {
                      VendorDetail vendor = vendorService.getVendorDetail(VendorUtils.getVendorHeaderId(vendorNumber), VendorUtils.getVendorDetailId(vendorNumber));
                      if (ObjectUtils.isNull(vendor)) {
                          GlobalVariables.getMessageMap().putErrorWithoutFullErrorPath(PurapPropertyConstants.VENDOR_NUMBER, PurapKeyConstants.ERROR_CREDIT_MEMO_VENDOR_NUMBER_INVALID, vendorNumber);
                          valid = false;
                      }
                  }
              }
          }
  
          return valid;
      }
  
     public PaymentRequestService getPaymentRequestService() {
         return paymentRequestService;
     }
 
     public void setPaymentRequestService(PaymentRequestService paymentRequestService) {
         this.paymentRequestService = paymentRequestService;
     }
 
     public PurchaseOrderService getPurchaseOrderService() {
         return purchaseOrderService;
     }
 
     public void setPurchaseOrderService(PurchaseOrderService purchaseOrderService) {
         this.purchaseOrderService = purchaseOrderService;
     }
 
     public VendorService getVendorService() {
         return vendorService;
     }
 
     public void setVendorService(VendorService vendorService) {
         this.vendorService = vendorService;
     }
 
     public PurapService getPurapService() {
         return purapService;
     }
 
     public void setPurapService(PurapService purapService) {
         this.purapService = purapService;
     }
 
 }