/*
    * Copyright 2012 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.service.impl;
  
  import org.apache.commons.lang.StringUtils;
  import org.kuali.ole.select.OleSelectConstant;
  import org.kuali.ole.select.businessobject.OleLineItemReceivingDoc;
  import org.kuali.ole.select.businessobject.OlePaymentRequestItem;
  import org.kuali.ole.select.businessobject.OlePurchaseOrderItem;
  import org.kuali.ole.select.businessobject.OleRequisitionItem;
  import org.kuali.ole.select.service.OleUuidCheckWebService;
  import org.kuali.ole.sys.context.SpringContext;
  import org.kuali.rice.krad.service.BusinessObjectService;
  
  import java.util.*;
  
  public class OleUuidCheckWebServiceImpl implements OleUuidCheckWebService {
  
      private static org.apache.log4j.Logger LOG = org.apache.log4j.Logger.getLogger(OleUuidCheckWebServiceImpl.class);
      private BusinessObjectService businessObjectService;
  
      /**
       * @see org.kuali.ole.select.service.OleUuidCheckService#checkUuidExsistence(java.lang.String)
       */
      @Override
      public String checkUuidExsistence(String uuids) {
          // TODO Auto-generated method stub        
          String[] uuidArr = StringUtils.split(uuids, ",");
          List<String> uuidList = new ArrayList(Arrays.asList(uuidArr));
          uuidList = checkUuidInRequisitionItem(uuidList);
          if (uuidList.size() > 0)
              uuidList = checkUuidInPOItem(uuidList);
          if (uuidList.size() > 0)
              uuidList = checkUuidInPaymentRequestItem(uuidList);
          if (uuidList.size() > 0)
              uuidList = checkUuidInReceivingLineItem(uuidList);
          StringBuilder titleIds = new StringBuilder();
          for (String titleId : uuidList) {
              titleIds.append(titleId);
              titleIds.append(",");
          }
          if (titleIds.length() > 0) {
              return titleIds.substring(0, titleIds.length() - 1);
          } else {
              return "";
          }
  
      }
  
      /**
       * This method will search in the Requisition Item table whether the passed uuid exist or not, if exist returns List of those exsisted uuids
       *
       * @param uuid
       * @return List<String>
       */
      public List<String> checkUuidInRequisitionItem(List<String> uuid) {
  
          Map<String, List> uuidMap = new HashMap<String, List>();
          uuidMap.put(OleSelectConstant.ITEMTITLEID, uuid);
          List<OleRequisitionItem> requisitionItems = (List<OleRequisitionItem>) getBusinessObjectService().findMatching(OleRequisitionItem.class, uuidMap);
          if (requisitionItems.size() > 0) {
              for (OleRequisitionItem requisitionItem : requisitionItems) {
                  for (int i = 0; i < uuid.size(); i++) {
                      if (uuid.get(i).equalsIgnoreCase(requisitionItem.getItemTitleId()))
                          uuid.remove(i);
                  }
              }
          }
          return uuid;
      }
  
      /**
       * This method will search in the PurchaseOrder Item table whether the passed uuid exist or not, if exist returns List of those exsisted uuids
       *
       * @param uuid
       * @return List<String>
       */
      public List<String> checkUuidInPOItem(List<String> uuid) {
  
          Map<String, List> uuidMap = new HashMap<String, List>();
          uuidMap.put(OleSelectConstant.ITEMTITLEID, uuid);
          List<OlePurchaseOrderItem> poItems = (List<OlePurchaseOrderItem>) getBusinessObjectService().findMatching(OlePurchaseOrderItem.class, uuidMap);
          if (poItems.size() > 0) {
              for (OlePurchaseOrderItem purchaseOrderItem : poItems) {
                  for (int i = 0; i < uuid.size(); i++) {
                      if (uuid.get(i).equalsIgnoreCase(purchaseOrderItem.getItemTitleId()))
                         uuid.remove(i);
                 }
             }
         }
         return uuid;
     }
 
     /**
      * This method will search in the Payment Request Item table whether the passed uuid exist or not, if exist returns List of those exsisted uuids
      *
      * @param uuid
      * @return List<String>
      */
     public List<String> checkUuidInPaymentRequestItem(List<String> uuid) {
 
         Map<String, List> uuidMap = new HashMap<String, List>();
         uuidMap.put(OleSelectConstant.ITEMTITLEID, uuid);
         List<OlePaymentRequestItem> paymentRequestItems = (List<OlePaymentRequestItem>) getBusinessObjectService().findMatching(OlePaymentRequestItem.class, uuidMap);
         if (paymentRequestItems.size() > 0) {
             for (OlePaymentRequestItem paymentRequestItem : paymentRequestItems) {
                 for (int i = 0; i < uuid.size(); i++) {
                     if (uuid.get(i).equalsIgnoreCase(paymentRequestItem.getItemTitleId()))
                         uuid.remove(i);
                 }
             }
         }
         return uuid;
     }
 
     /**
      * This method will search in the Receiving Line Item table whether the passed uuid exist or not, if exist returns List of those exsisted uuids
      *
      * @param uuid
      * @return List<String>
      */
     public List<String> checkUuidInReceivingLineItem(List<String> uuid) {
 
         Map<String, List> uuidMap = new HashMap<String, List>();
         uuidMap.put(OleSelectConstant.ITEMTITLEID, uuid);
         List<OleLineItemReceivingDoc> lineItemReceivingItems = (List<OleLineItemReceivingDoc>) getBusinessObjectService().findMatching(OleLineItemReceivingDoc.class, uuidMap);
         if (lineItemReceivingItems.size() > 0) {
             for (OleLineItemReceivingDoc linItemReceivingDocItem : lineItemReceivingItems) {
                 for (int i = 0; i < uuid.size(); i++) {
                     if (uuid.get(i).equalsIgnoreCase(linItemReceivingDocItem.getItemTitleId()))
                         uuid.remove(i);
                 }
             }
         }
         return uuid;
     }
 
     /**
      * Gets the businessObjectService attribute.
      *
      * @return Returns the businessObjectService.
      */
     public BusinessObjectService getBusinessObjectService() {
         if (businessObjectService == null)
             businessObjectService = SpringContext.getBean(org.kuali.rice.krad.service.BusinessObjectService.class);
         return businessObjectService;
     }
 
 }