package org.kuali.ole.ingest;
   
   import org.kuali.ole.OLEConstants;
   import org.kuali.ole.ingest.pojo.ProfileAttributeBo;
   import org.kuali.ole.pojo.OleTxRecord;
   import org.kuali.ole.pojo.edi.*;
   
   import java.util.HashMap;
   import java.util.Iterator;
  import java.util.List;
  import java.util.Map;
  
  /**
   * OleTxRecordBuilder is used to build the transaction information into a pojo which are extracted from the ingested marc and edi file.
   */
  public class OleTxRecordBuilder {
      private static OleTxRecordBuilder oleTxRecordBuilder;
  
      /**
       * default constructor of OleTxRecordBuilder.
       */
      private OleTxRecordBuilder() {
  
      }
  
      /**
       *  Gets the instance of OleTxRecordBuilder.
       *  If OleTxRecordBuilder is null it returns new instance else it returns existing instance.
       * @return
       */
      public static OleTxRecordBuilder getInstance() {
          if (null == oleTxRecordBuilder) {
              oleTxRecordBuilder = new OleTxRecordBuilder();
          }
          return oleTxRecordBuilder;
      }
  
      /**
       * This method returns OleTxRecord.
       * This method build the OleTxRecord based on lineItemOrder,list of profileAttribute,ediOrder
       * @param lineItemOrder
       * @param profileAttributeBos
       * @param ediOrder
       * @return  oleTxRecord
       */
      public OleTxRecord build(LineItemOrder lineItemOrder, List<ProfileAttributeBo> profileAttributeBos, EDIOrder ediOrder) {
          OleTxRecord oleTxRecord = new OleTxRecord();
          oleTxRecord.setListPrice(getListPrice(lineItemOrder));
          oleTxRecord.setQuantity(getQuantity(lineItemOrder));
          oleTxRecord.setVendorItemIdentifier(getVendorItemIdentifier(lineItemOrder));
          Map<String, String> accountInfo = getAccountInfo(lineItemOrder);
          String accountNumber = accountInfo!=null?accountInfo.keySet().iterator().next():null;
          oleTxRecord.setAccountNumber(accountNumber);
          oleTxRecord.setObjectCode(accountInfo!=null?accountInfo.get(accountNumber):null);
          oleTxRecord.setVendorNumber(getVendorNumber(ediOrder));
          oleTxRecord.setChartCode(getChartCode(profileAttributeBos));
          oleTxRecord.setItemChartCode(getAttributeValue(profileAttributeBos,OLEConstants.OLE_ITEM_CHART_CODE));
          oleTxRecord.setOrgCode(getAttributeValue(profileAttributeBos, OLEConstants.ORG_CODE));
          oleTxRecord.setReceivingRequired(Boolean.parseBoolean(getAttributeValue(profileAttributeBos, OLEConstants.RECV_REQUIRED)));
          oleTxRecord.setContractManager(getAttributeValue(profileAttributeBos, OLEConstants.CONTRACT_MANAGER));
          oleTxRecord.setAssignToUser(getAttributeValue(profileAttributeBos, OLEConstants.ASSIGN_TO_USER));
          oleTxRecord.setUseTaxIndicator(Boolean.parseBoolean(getAttributeValue(profileAttributeBos, OLEConstants.USE_TAXIND)));
          oleTxRecord.setOrderType(getAttributeValue(profileAttributeBos, OLEConstants.ORDER_TYPE));
          oleTxRecord.setFundingSource(getAttributeValue(profileAttributeBos, OLEConstants.FUNDING_SOURCE));
          oleTxRecord.setPayReqPositiveApprovalReq(Boolean.parseBoolean(getAttributeValue(profileAttributeBos, OLEConstants.PAYREQ_POSITIVE_APPROVAL)));
          oleTxRecord.setPurchaseOrderConfirmationIndicator(Boolean.parseBoolean(getAttributeValue(profileAttributeBos, OLEConstants.PURCHASE_CONFIRMATION_INDICATOR)));
          oleTxRecord.setRequisitionSource(getAttributeValue(profileAttributeBos, OLEConstants.REQUISITION_SOURCE));
          oleTxRecord.setDeliveryCampusCode(getAttributeValue(profileAttributeBos, OLEConstants.DELIVERY_CAMPUS));
          oleTxRecord.setBuildingCode(getAttributeValue(profileAttributeBos, OLEConstants.BUILDING));
          oleTxRecord.setVendorChoice(getAttributeValue(profileAttributeBos, OLEConstants.VENDOR_CHOICE));
          oleTxRecord.setItemType(getAttributeValue(profileAttributeBos, OLEConstants.ITEM_TYPE));
          oleTxRecord.setRouteToRequestor(Boolean.parseBoolean(getAttributeValue(profileAttributeBos, OLEConstants.ROUTE_RQUESTER)));
          oleTxRecord.setRouteToRequestor(Boolean.parseBoolean(getAttributeValue(profileAttributeBos, OLEConstants.PUBLIC_VIEW)));
          oleTxRecord.setMethodOfPOTransmission(getAttributeValue(profileAttributeBos, OLEConstants.PO_TRAMISSION_METHOD));
          oleTxRecord.setInternalPurchasingLimit(getAttributeValue(profileAttributeBos, OLEConstants.INTERNAL_PURCHASING_LIMIT));
          oleTxRecord.setCostSource(getAttributeValue(profileAttributeBos, OLEConstants.COST_SOURCE));
          oleTxRecord.setPercent(getAttributeValue(profileAttributeBos, OLEConstants.PERCENT));
          return oleTxRecord;
      }
  
      /**
       *  This method returns chartCode from the List of profileAttributeBos.
       * @param profileAttributeBos
       * @return   AttributeValue
       */
      private String getChartCode(List<ProfileAttributeBo> profileAttributeBos) {
          return getAttributeValue(profileAttributeBos, OLEConstants.OLE_CHART_CODE);
      }
  
      /**
       *  This method gets the vendorNumber from ediOrder.
       * @param ediOrder
       * @return
       */
      private String getVendorNumber(EDIOrder ediOrder) {
          return ediOrder.getMessage().getSupplierPartyQualifier().getSupplierInformation().getSupplierCodeIdentification();
      }
  
      /**
      * This method returns fundCode as AccountInfo, based on List of  supplierReferenceInformation got from lineItemOrder.
      * @param lineItemOrder
      * @return AccountInfo
      */
     protected Map<String, String> getAccountInfo(LineItemOrder lineItemOrder) {
         List<SupplierReferenceInformation> supplierReferenceInformationList = lineItemOrder.getSupplierReferenceInformation();
         if (!supplierReferenceInformationList.isEmpty()) {
             SupplierReferenceInformation supplierReferenceInformation = supplierReferenceInformationList.get(0);
             List<SupplierLineItemReference> supplierLineItemReferenceList = supplierReferenceInformation.getSupplierLineItemReference();
             if (!supplierLineItemReferenceList.isEmpty()) {
                 SupplierLineItemReference supplierLineItemReference = supplierLineItemReferenceList.get(0);
                 if (supplierLineItemReference.getSuppliersOrderLine().equals("BFN")) {
                     return translateRefNumberToOLEAccountInfo(supplierLineItemReference.getVendorReferenceNumber());
                 }
             }
         }
         return null;
     }
 
     /**
      *  This method maps the vendorReferenceNumber and returns the  fundCode.
      * @param vendorReferenceNumber
      * @return  fundCodes
      */
     private Map<String, String> translateRefNumberToOLEAccountInfo(String vendorReferenceNumber) {
         HashMap<String, String> fundCodes = new OLEAccountInfoExtractor().buildAccountInfoMap(vendorReferenceNumber);
         return fundCodes;
     }
 
     /**
      *  This method returns vendorItemReference number from the List of buyerReferenceInformation got from lineItemOrder.
      * @param lineItemOrder
      * @return vendorItemReference
      */
     private String getVendorItemIdentifier(LineItemOrder lineItemOrder) {
         List<BuyerReferenceInformation> buyerReferenceInformationList = lineItemOrder.getBuyerReferenceInformation();
         if (buyerReferenceInformationList.size() > 0) {
             BuyerReferenceInformation buyerReferenceInformation = buyerReferenceInformationList.get(0);
             List<BuyerLineItemReference> buyerLineItemReferenceList = buyerReferenceInformation.getBuyerLineItemReference();
             if (buyerLineItemReferenceList.size() > 0) {
                 BuyerLineItemReference buyerLineItemReferenceRef = buyerLineItemReferenceList.get(0);
                 String buyersOrderLine = buyerLineItemReferenceRef.getBuyersOrderLine();
                 String vendorItemReference = buyerLineItemReferenceRef.getOrderLineNumber();
                 if (buyersOrderLine.equals("SLI")) {
                     return vendorItemReference;
                 }
             }
         }
         return null;
     }
 
     /**
      * This method returns the Quantity from the list of QuantityInformation got from lineItemOrder.
      * If there are no QuantityInformation then it return null.
      * @param lineItemOrder
      * @return Quantity
      */
     private String getQuantity(LineItemOrder lineItemOrder) {
         List<QuantityInformation> quantityInformation = lineItemOrder.getQuantityInformation();
         if (quantityInformation.size() > 0) {
             List<Qunatity> qunatity = quantityInformation.get(0).getQunatity();
             if (qunatity.size() > 0) {
                 return qunatity.get(0).getQuantity();
             }
         }
         return null;
     }
 
     /**
      *  This method returns ListPrice from the List of PriceInformation got from lineItemOrder.
      *  If there are no PriceInformation then it return null.
      * @param lineItemOrder
      * @return  Price
      */
     private String getListPrice(LineItemOrder lineItemOrder) {
         List<PriceInformation> priceInformation = lineItemOrder.getPriceInformation();
         if (priceInformation.size() > 0) {
             List<ItemPrice> itemPrice = priceInformation.get(0).getItemPrice();
             if (itemPrice.size() > 0) {
                 return itemPrice.get(0).getPrice();
             }
         }
         return null;
     }
 
     /**
      * This method returns AttributeValue from List of profileAttribute with matching attributeName.
      * If there are no profile attributes then it return null.
      * @param profileAttributes
      * @param attributeName
      * @return  attributeValue
      */
     private String getAttributeValue(List<ProfileAttributeBo> profileAttributes, String attributeName) {
         for (Iterator<ProfileAttributeBo> iterator = profileAttributes.iterator(); iterator.hasNext(); ) {
             ProfileAttributeBo attribute = iterator.next();
             if (attribute.getAttributeName().equals(attributeName)) {
                 return attribute.getAttributeValue();
             }
         }
         return null;
     }
 
 }