package org.kuali.ole.deliver.util;
   
   import org.apache.commons.collections.CollectionUtils;
   import org.apache.commons.lang.StringUtils;
   import org.apache.log4j.Logger;
   import org.kuali.ole.OLEConstants;
   import org.kuali.ole.OLEParameterConstants;
   import org.kuali.ole.deliver.batch.OleDeliverBatchServiceImpl;
   import org.kuali.ole.deliver.batch.OleMailer;
  import org.kuali.ole.deliver.batch.OleNoticeBo;
  import org.kuali.ole.deliver.bo.OleDeliverRequestBo;
  import org.kuali.ole.deliver.bo.OleDeliverRequestHistoryRecord;
  import org.kuali.ole.deliver.bo.OleLoanDocument;
  import org.kuali.ole.deliver.bo.OlePatronDocument;
  import org.kuali.ole.deliver.service.ParameterValueResolver;
  import org.kuali.rice.core.api.config.property.ConfigContext;
  import org.kuali.rice.core.api.mail.EmailBody;
  import org.kuali.rice.core.api.mail.EmailFrom;
  import org.kuali.rice.core.api.mail.EmailSubject;
  import org.kuali.rice.core.api.mail.EmailTo;
  import org.kuali.rice.core.api.resourceloader.GlobalResourceLoader;
  import org.kuali.rice.krad.util.GlobalVariables;
  
  import java.util.*;
  
  /**
   * Created by pvsubrah on 9/1/15.
   */
  public class DeliverRequestUtil extends OLEUtil {
      private static final Logger LOG = Logger.getLogger(DeliverRequestUtil.class);
  
  
      public boolean cancelDocument(String itemBarcode, OlePatronDocument patronDocument, OleLoanDocument oleLoanDocument, String operatorId) {
          boolean cancelResult = true;
          OleDeliverRequestBo oleDeliverRequestBo = ItemInfoUtil.getInstance().getRequestByPatronBarcode(patronDocument.getBarcode(), itemBarcode);
          if (null != oleDeliverRequestBo) {
              //1. Create Temp history record and delete
              String itemId = oleDeliverRequestBo.getItemId();
              String requestOutCome = ConfigContext.getCurrentContextConfig().getProperty(OLEConstants.REQUEST_FULFILLED);
              String loanTransactionNumber = oleDeliverRequestBo.getLoanTransactionRecordNumber();
  
              OleDeliverRequestHistoryRecord requestHistoryRecord = createRequestHistoryRecord(oleDeliverRequestBo, operatorId, loanTransactionNumber, requestOutCome);
  
              //2. Delete the existing request
              try {
                  getBusinessObjectService().delete(oleDeliverRequestBo);
  
                  //3. Reorder Q
                  HashMap<String, Object> map = new HashMap<>();
                  map.put("itemId", itemId);
                  List<OleDeliverRequestBo> oleDeliverRequestBos =
                          (List<OleDeliverRequestBo>) getBusinessObjectService().findMatchingOrderBy(OleDeliverRequestBo.class, map, OLEConstants.OleDeliverRequest.QUEUE_POSITION, true);
  
                  for (Iterator<OleDeliverRequestBo> iterator = oleDeliverRequestBos.iterator(); iterator.hasNext(); ) {
                      OleDeliverRequestBo deliverRequestBo = iterator.next();
                      deliverRequestBo.setBorrowerQueuePosition(deliverRequestBo.getBorrowerQueuePosition() == 1? deliverRequestBo.getBorrowerQueuePosition() : deliverRequestBo.getBorrowerQueuePosition() - 1);
                  }
  
                  //Save the re-ordered Q
                  if (CollectionUtils.isNotEmpty(oleDeliverRequestBos)) {
                      getBusinessObjectService().save(oleDeliverRequestBos);
                  }
  
                  getBusinessObjectService().save(requestHistoryRecord);
  
                  //4: Prepare cancellation notice
            //      List<OleNoticeBo> noticeBos = generateCancelNotices(patronDocument, oleLoanDocument);
  
                  //5: Send cancel notice;
              //    sendCancelNotice(noticeBos);
  
              } catch (Exception e) {
                  e.printStackTrace();
                  cancelResult = false;
              }
          }
          return cancelResult;
  
      }
  
  
      private OleDeliverRequestHistoryRecord createRequestHistoryRecord(OleDeliverRequestBo oleDeliverRequestBo, String operatorId, String loanTransactionNumber, String requestOutCome) {
          LOG.debug("Inside createRequestHistoryRecord");
  
          OleDeliverRequestHistoryRecord oleDeliverRequestHistoryRecord = new OleDeliverRequestHistoryRecord();
          oleDeliverRequestHistoryRecord.setRequestId(oleDeliverRequestBo.getRequestId());
          oleDeliverRequestHistoryRecord.setPatronId(oleDeliverRequestBo.getOlePatron() != null ? oleDeliverRequestBo.getOlePatron().getOlePatronId() : null);
          oleDeliverRequestHistoryRecord.setItemId(oleDeliverRequestBo.getItemId());
          oleDeliverRequestHistoryRecord.setArchiveDate(new java.sql.Date(System.currentTimeMillis()));
          oleDeliverRequestHistoryRecord.setPickUpLocationCode(oleDeliverRequestBo.getPickUpLocationCode());
          oleDeliverRequestHistoryRecord.setCreateDate(oleDeliverRequestBo.getCreateDate());
          if (StringUtils.isNotBlank(operatorId)) {
              oleDeliverRequestHistoryRecord.setOperatorId(operatorId);
          } else {
              oleDeliverRequestHistoryRecord.setOperatorId(" ");
          }
          oleDeliverRequestHistoryRecord.setDeliverRequestTypeCode(oleDeliverRequestBo.getRequestTypeCode());
          oleDeliverRequestHistoryRecord.setPoLineItemNumber("");
          oleDeliverRequestHistoryRecord.setLoanTransactionId(loanTransactionNumber);
         oleDeliverRequestHistoryRecord.setRequestOutComeStatus(requestOutCome);
         return oleDeliverRequestHistoryRecord;
     }
 
     public List<OleNoticeBo> generateCancelNotices(OlePatronDocument patronDocument, OleLoanDocument oleLoanDocument) throws Exception {
         List<OleNoticeBo> oleNoticeBos = new ArrayList<>();
 
         OleNoticeBo oleNoticeBo = new OleNoticeBo();
         oleNoticeBo.setNoticeName(OLEConstants.CANCELLATION_NOTICE);
 
         oleNoticeBo.setPatronName(patronDocument.getPatronName());
         oleNoticeBo.setPatronAddress(null != patronDocument.getPreferredAddress() ? patronDocument.getPreferredAddress() : "");
         oleNoticeBo.setPatronEmailAddress(null != patronDocument.getEmail() ? patronDocument.getEmail() : "");
         //TODO: Populate phone number
         oleNoticeBo.setPatronPhoneNumber("");
 
 
         oleNoticeBo.setAuthor(oleLoanDocument.getAuthor());
         oleNoticeBo.setItemCallNumber(oleLoanDocument.getItemCallNumber());
         oleNoticeBo.setItemShelvingLocation(oleLoanDocument.getLocation());
         oleNoticeBo.setItemId(oleLoanDocument.getItemId());
         oleNoticeBo.setTitle(oleLoanDocument.getTitle());
         oleNoticeBo.setOleItem(oleLoanDocument.getOleItem());
         if (oleNoticeBo.getPatronEmailAddress() != null && !oleNoticeBo.getPatronEmailAddress().isEmpty()) {
             oleNoticeBos.add(oleNoticeBo);
         }
         return oleNoticeBos;
     }
 
     public void sendCancelNotice(List<OleNoticeBo> oleNoticeBos) throws Exception {
         OleDeliverBatchServiceImpl oleDeliverBatchService = new OleDeliverBatchServiceImpl();
         for (OleNoticeBo oleNoticeBo : oleNoticeBos) {
             List list = oleDeliverBatchService.getNoticeForPatron(oleNoticeBos);
             String content = list.toString();
             content = content.replace('[', ' ');
             content = content.replace(']', ' ');
             if (!content.trim().equals("")) {
                 OleMailer oleMailer = GlobalResourceLoader.getService("oleMailer");
                 String replyToEmail = getCircDeskLocationResolver().getReplyToEmail(oleNoticeBo.getItemShelvingLocation());
                 if (replyToEmail != null) {
                     oleMailer.sendEmail(new EmailFrom(replyToEmail), new EmailTo(oleNoticeBo.getPatronEmailAddress()), new EmailSubject(OLEConstants.CANCELLATION_NOTICE), new EmailBody(content), true);
                 } else {
                     String fromAddress = ParameterValueResolver.getInstance().getParameter(OLEConstants.APPL_ID, OLEConstants.DLVR_NMSPC, OLEConstants.DLVR_CMPNT, OLEParameterConstants.NOTICE_FROM_MAIL);
                     if (fromAddress != null && (fromAddress.equals("") || fromAddress.trim().isEmpty())) {
                         fromAddress = OLEConstants.KUALI_MAIL;
                     }
                     oleMailer.sendEmail(new EmailFrom(fromAddress), new EmailTo(oleNoticeBo.getPatronEmailAddress()), new EmailSubject(OLEConstants.CANCELLATION_NOTICE), new EmailBody(content), true);
                 }
             }
         }
     }
 
 
 }