/*
    * Copyright 2013 The Kuali Foundation.
    *
    * Licensed under the Educational Community License, Version 1.0 (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/ecl1.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.web.struts;
  
  import org.apache.commons.lang.StringUtils;
  import org.apache.struts.action.ActionForm;
  import org.apache.struts.action.ActionForward;
  import org.apache.struts.action.ActionMapping;
  import org.kuali.ole.fp.document.DisbursementVoucherConstants;
  import org.kuali.ole.fp.document.DisbursementVoucherDocument;
  import org.kuali.ole.fp.document.web.struts.DisbursementVoucherAction;
  import org.kuali.ole.fp.document.web.struts.DisbursementVoucherForm;
  import org.kuali.ole.module.purap.PurapConstants;
  import org.kuali.ole.module.purap.service.PurapAccountingService;
  import org.kuali.ole.select.businessobject.OleDisbursementVoucherAccountingLine;
  import org.kuali.ole.select.document.OleDisbursementVoucherDocument;
  import org.kuali.ole.select.document.validation.event.OleDisbursementAccountPercentEvent;
  import org.kuali.ole.sys.OLEConstants;
  import org.kuali.ole.sys.OLEKeyConstants;
  import org.kuali.ole.sys.OLEPropertyConstants;
  import org.kuali.ole.sys.businessobject.SourceAccountingLine;
  import org.kuali.ole.sys.context.SpringContext;
  import org.kuali.ole.sys.web.struts.KualiAccountingDocumentFormBase;
  import org.kuali.ole.vnd.businessobject.VendorAddress;
  import org.kuali.ole.vnd.businessobject.VendorAlias;
  import org.kuali.ole.vnd.businessobject.VendorDetail;
  import org.kuali.rice.core.api.util.type.KualiDecimal;
  import org.kuali.rice.krad.service.BusinessObjectService;
  import org.kuali.rice.krad.service.KRADServiceLocatorWeb;
  import org.kuali.rice.krad.service.KualiRuleService;
  import org.kuali.rice.krad.service.LookupService;
  import org.kuali.rice.krad.util.GlobalVariables;
  import org.kuali.rice.krad.util.ObjectUtils;
  
  import javax.servlet.http.HttpServletRequest;
  import javax.servlet.http.HttpServletResponse;
  import java.math.BigDecimal;
  import java.math.RoundingMode;
  import java.util.HashMap;
  import java.util.List;
  import java.util.Map;
  
  public class OleDisbursementVoucherAction extends DisbursementVoucherAction {
  
      private PurapAccountingService purapAccountingService;
  
      /**
       * This action executes an insert of a SourceAccountingLine into a document only after validating the accounting line and
       * checking any appropriate business rules.
       *
       * @param mapping
       * @param form
       * @param request
       * @param response
       * @return ActionForward
       * @throws Exception
       */
      @Override
      public ActionForward insertSourceLine(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response) throws Exception {
          OleDisbursementVoucherForm disbursementVoucherForm = (OleDisbursementVoucherForm) form;
          OleDisbursementVoucherDocument disbursementDocument = disbursementVoucherForm.getDisbursementVoucherDocument();
          OleDisbursementVoucherAccountingLine line = (OleDisbursementVoucherAccountingLine) disbursementVoucherForm.getNewSourceLine();
          KualiDecimal totalAmount = disbursementDocument.getDisbVchrCheckTotalAmount();
          if ((totalAmount != null) && KualiDecimal.ZERO.compareTo(totalAmount) != 0) {
              if (ObjectUtils.isNotNull(line.getAccountLinePercent())) {
                  BigDecimal pct = new BigDecimal(line.getAccountLinePercent().toString()).divide(new BigDecimal(100));
                  line.setAmount(new KualiDecimal(pct.multiply(new BigDecimal(totalAmount.toString())).setScale(KualiDecimal.SCALE, KualiDecimal.ROUND_BEHAVIOR)));
              } else if (ObjectUtils.isNotNull(line.getAmount()) && ObjectUtils.isNull(line.getAccountLinePercent())) {
                  KualiDecimal dollar = line.getAmount().multiply(new KualiDecimal(100));
                  BigDecimal dollarToPercent = dollar.bigDecimalValue().divide((totalAmount.bigDecimalValue()), 0, RoundingMode.FLOOR);
                  line.setAccountLinePercent(dollarToPercent);
              }
          }
          return super.insertSourceLine(mapping, disbursementVoucherForm, request, response);
      }
  
      /**
       * This method routes the Disbursement Document.
       *
       * @param mapping
       * @param form
       * @param request
       * @param response
       * @return ActionForward
       * @throws Exception
       * @see org.kuali.ole.sys.web.struts.KualiAccountingDocumentActionBase#route(org.apache.struts.action.ActionMapping, org.apache.struts.action.ActionForm, javax.servlet.http.HttpServletRequest, javax.servlet.http.HttpServletResponse)
      */
     @Override
     public ActionForward route(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response) throws Exception {
         OleDisbursementVoucherForm disbursementVoucherForm = (OleDisbursementVoucherForm) form;
         OleDisbursementVoucherDocument disbursementDocument = disbursementVoucherForm.getDisbursementVoucherDocument();
         boolean isValid = true;
         ActionForward forward = mapping.findForward(OLEConstants.MAPPING_BASIC);
         boolean rulePassed = SpringContext.getBean(KualiRuleService.class).applyRules(new OleDisbursementAccountPercentEvent(OLEConstants.ACCOUNT_NEW_SRC_LINE,
                 disbursementDocument, disbursementDocument.getSourceAccountingLines()));
         if(disbursementDocument.getSourceAccountingLines().size() > 0) {
             KualiDecimal totalAmount = KualiDecimal.ZERO;
             for (SourceAccountingLine accLine : disbursementDocument.getSourceAccountingLines()) {
                 totalAmount = totalAmount.add(accLine.getAmount());
             }
             if (!(totalAmount.equals(disbursementDocument.getDisbVchrCheckTotalAmount()))) {
                 GlobalVariables.getMessageMap().putError(OLEPropertyConstants.DISB_VCHR_CHECK_TOTAL_AMOUNT, OLEKeyConstants.ERROR_ACC_LINE_TOTAL );
                 isValid = false;
             }
         }
         if (rulePassed) {
             if (!disbursementDocument.getDisbVchrCheckTotalAmount().isPositive()) {
                 GlobalVariables.getMessageMap().putError(OLEPropertyConstants.DISB_VCHR_CHECK_TOTAL_AMOUNT, OLEKeyConstants.ERROR_NEGATIVE_OR_ZERO_CHECK_TOTAL);
                 isValid = false;
             }
             if (isValid) {
                 updateAccountAmountsWithTotal(disbursementDocument.getSourceAccountingLines(),
                         disbursementDocument.getDisbVchrCheckTotalAmount());
                 forward = super.route(mapping, disbursementVoucherForm, request, response);
             }
         }
 
 
         return forward;
     }
 
     private void updateAccountAmountsWithTotal(List<OleDisbursementVoucherAccountingLine> sourceAccountingLines, KualiDecimal totalAmount) {
         if ((totalAmount != null) && KualiDecimal.ZERO.compareTo(totalAmount) != 0) {
 
             KualiDecimal accountTotal = KualiDecimal.ZERO;
             OleDisbursementVoucherAccountingLine lastAccount = null;
 
             for (OleDisbursementVoucherAccountingLine account : sourceAccountingLines) {
                 if (ObjectUtils.isNotNull(account.getAccountLinePercent())) {
                     BigDecimal pct = new BigDecimal(account.getAccountLinePercent().toString()).divide(new BigDecimal(100));
                     account.setAmount(new KualiDecimal(pct.multiply(new BigDecimal(totalAmount.toString())).setScale(KualiDecimal.SCALE, KualiDecimal.ROUND_BEHAVIOR)));
                 } else if (ObjectUtils.isNotNull(account.getAmount()) && ObjectUtils.isNull(account.getAccountLinePercent())) {
                     KualiDecimal dollar = account.getAmount().multiply(new KualiDecimal(100));
                     BigDecimal dollarToPercent = dollar.bigDecimalValue().divide((totalAmount.bigDecimalValue()), 0, RoundingMode.FLOOR);
                     account.setAccountLinePercent(dollarToPercent);
                 }
                 accountTotal = accountTotal.add(account.getAmount());
                 lastAccount = account;
             }
         }
     }
 
     @Override
     public ActionForward save(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response) throws Exception {
         KualiAccountingDocumentFormBase tmpForm = (KualiAccountingDocumentFormBase) form;
         saveVendor(mapping, form, request, response);
         ActionForward forward = super.save(mapping, form, request, response);
         // need to check on sales tax for all the accounting lines
         checkSalesTaxRequiredAllLines(tmpForm, tmpForm.getFinancialDocument().getSourceAccountingLines());
         checkSalesTaxRequiredAllLines(tmpForm, tmpForm.getFinancialDocument().getTargetAccountingLines());
         return forward;
     }
 
     public ActionForward saveVendor(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response) throws Exception {
         OleDisbursementVoucherForm disbursementVoucherForm = (OleDisbursementVoucherForm) form;
         OleDisbursementVoucherDocument document = disbursementVoucherForm.getDisbursementVoucherDocument();
         if (document.getDvPayeeDetail().getVendorAliasName() != null && document.getDvPayeeDetail().getVendorAliasName().length() > 0) { /* Checks Vendor name is not equal to null  */
             /* Getting matching vendor for the given vendor alias name */
             Map vendorAliasMap = new HashMap();
             vendorAliasMap.put(OLEConstants.VENDOR_ALIAS_NAME, document.getDvPayeeDetail().getVendorAliasName());
             org.kuali.rice.krad.service.BusinessObjectService businessObject = SpringContext.getBean(org.kuali.rice.krad.service.BusinessObjectService.class);
             List<VendorAlias> vendorAliasList = (List<VendorAlias>) getLookupService().findCollectionBySearchHelper(VendorAlias.class, vendorAliasMap, true);
             if (vendorAliasList != null && vendorAliasList.size() > 0 && vendorAliasList.get(0) != null) {  /* if there matching vendor found for the given vendor alias name */
                 if (document.getDvPayeeDetail().getDisbVchrVendorHeaderIdNumber() == null && document.getDvPayeeDetail().getDisbVchrVendorDetailAssignedIdNumber() == null) {
                     GlobalVariables.getMessageMap().putError(PurapConstants.VENDOR_ERRORS, OLEConstants.VENDOR_SELECT);
                 } else if (document.getDvPayeeDetail().getDisbVchrVendorHeaderIdNumber() != null && document.getDvPayeeDetail().getDisbVchrVendorDetailAssignedIdNumber() != null) {
                     if (!document.getDvPayeeDetail().getDisbVchrVendorHeaderIdNumber().equals(vendorAliasList.get(0).getVendorHeaderGeneratedIdentifier().toString()) ||
                             !document.getDvPayeeDetail().getDisbVchrVendorDetailAssignedIdNumber().equals(vendorAliasList.get(0).getVendorDetailAssignedIdentifier().toString())) {
                         GlobalVariables.getMessageMap().putError(PurapConstants.VENDOR_ERRORS, OLEConstants.VENDOR_NOT_SAME);
                     }
                 }
             } else {     /* If there is no matching vendor found*/
 
                 GlobalVariables.getMessageMap().putError(PurapConstants.VENDOR_ERRORS, OLEConstants.VENDOR_NOT_FOUND);
             }
         }
         return mapping.findForward(OLEConstants.MAPPING_BASIC);
     }
 
     public ActionForward selectVendor(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response) throws Exception {
         OleDisbursementVoucherForm disbursementVoucherForm = (OleDisbursementVoucherForm) form;
         OleDisbursementVoucherDocument document = disbursementVoucherForm.getDisbursementVoucherDocument();
         if (document.getDvPayeeDetail().getVendorAliasName() != null && document.getDvPayeeDetail().getVendorAliasName().length() > 0) { /* Checks Vendor name is not equal to null  */
             /* Getting matching vendor for the given vendor alias name */
             Map vendorAliasMap = new HashMap();
             vendorAliasMap.put(OLEConstants.VENDOR_ALIAS_NAME, document.getDvPayeeDetail().getVendorAliasName());
             org.kuali.rice.krad.service.BusinessObjectService businessObject = SpringContext.getBean(org.kuali.rice.krad.service.BusinessObjectService.class);
             List<VendorAlias> vendorAliasList = (List<VendorAlias>) getLookupService().findCollectionBySearchHelper(VendorAlias.class, vendorAliasMap, true);
             if (vendorAliasList != null && vendorAliasList.size() > 0 && vendorAliasList.get(0) != null) {  /* if there matching vendor found for the given vendor alias name */
                 String vendorDetailAssignedIdentifier = vendorAliasList.get(0).getVendorDetailAssignedIdentifier().toString();
                 String vendorHeaderGeneratedIdentifier = vendorAliasList.get(0).getVendorHeaderGeneratedIdentifier().toString();
                 document.getDvPayeeDetail().setDisbVchrPayeeIdNumber(vendorHeaderGeneratedIdentifier + "-" + vendorDetailAssignedIdentifier);
                 document.getDvPayeeDetail().setDisbVchrPaymentReasonCode(DisbursementVoucherConstants.DV_PAYEE_TYPE_EMPLOYEE);
                 refreshAfterAliasNameSelection(mapping, disbursementVoucherForm, request);
                 refresh(mapping, form, request, response);
             } else {     /* If there is no matching vendor found*/
 
                 GlobalVariables.getMessageMap().putError(PurapConstants.VENDOR_ERRORS, OLEConstants.VENDOR_NOT_FOUND);
             }
         }
         return mapping.findForward(OLEConstants.MAPPING_BASIC);
     }
 
 
     protected ActionForward refreshAfterAliasNameSelection(ActionMapping mapping, DisbursementVoucherForm dvForm, HttpServletRequest request) {
         String refreshCaller = "";
         refreshCaller = OLEConstants.REFRESH_DV_VENDOR_CALLER;
 
         DisbursementVoucherDocument document = (DisbursementVoucherDocument) dvForm.getDocument();
 
         boolean isPayeeLookupable = OLEConstants.KUALI_DISBURSEMENT_PAYEE_LOOKUPABLE_IMPL.equals(refreshCaller);
         boolean isAddressLookupable = OLEConstants.KUALI_VENDOR_ADDRESS_LOOKUPABLE_IMPL.equals(refreshCaller);
 
         // if a cancel occurred on address lookup we need to reset the payee id and type, rest of fields will still have correct information
         if (refreshCaller == null && hasFullEdit(document)) {
             dvForm.setPayeeIdNumber(dvForm.getTempPayeeIdNumber());
             dvForm.setHasMultipleAddresses(false);
             document.getDvPayeeDetail().setDisbVchrPayeeIdNumber(dvForm.getTempPayeeIdNumber());
             document.getDvPayeeDetail().setDisbursementVoucherPayeeTypeCode(dvForm.getOldPayeeType());
 
             return null;
         }
 
         // do not execute the further refreshing logic if the refresh caller is not a lookupable
         if (!isPayeeLookupable && !isAddressLookupable) {
             return null;
         }
 
         // do not execute the further refreshing logic if a payee is not selected
         String payeeIdNumber = document.getDvPayeeDetail().getDisbVchrPayeeIdNumber();
         if (payeeIdNumber == null) {
             return null;
         }
 
         dvForm.setPayeeIdNumber(payeeIdNumber);
         dvForm.setHasMultipleAddresses(false);
 
         // determine whether the selected vendor has multiple addresses. If so, redirect to the address selection screen
         if (isPayeeLookupable) {
             VendorDetail refreshVendorDetail = new VendorDetail();
             refreshVendorDetail.setVendorNumber(payeeIdNumber);
             refreshVendorDetail = (VendorDetail) SpringContext.getBean(BusinessObjectService.class).retrieve(refreshVendorDetail);
 
             VendorAddress defaultVendorAddress = null;
             if (refreshVendorDetail != null) {
                 List<VendorAddress> vendorAddresses = refreshVendorDetail.getVendorAddresses();
                 boolean hasMultipleAddresses = vendorAddresses != null && vendorAddresses.size() > 1;
                 dvForm.setHasMultipleAddresses(hasMultipleAddresses);
 
                 if (vendorAddresses != null) {
                     defaultVendorAddress = vendorAddresses.get(0);
                     setupPayeeAsVendor(dvForm, payeeIdNumber, defaultVendorAddress.getVendorAddressGeneratedIdentifier().toString());
                 }
             }
             return null;
         }
 
         if (isPayeeLookupable && dvForm.isEmployee()) {
             this.setupPayeeAsEmployee(dvForm, payeeIdNumber);
         }
 
         String payeeAddressIdentifier = request.getParameter(OLEPropertyConstants.VENDOR_ADDRESS_GENERATED_ID);
         if (isAddressLookupable && StringUtils.isNotBlank(payeeAddressIdentifier)) {
             setupPayeeAsVendor(dvForm, payeeIdNumber, payeeAddressIdentifier);
         }
 
         String paymentReasonCode = document.getDvPayeeDetail().getDisbVchrPaymentReasonCode();
         //Commented for the jira issue OLE-3415
         //addPaymentCodeWarningMessage(dvForm, paymentReasonCode);
 
         return null;
     }
 
     private LookupService getLookupService() {
         return KRADServiceLocatorWeb.getLookupService();
     }
 
 
 }