/*
    * Copyright 2007-2008 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.service.impl;
  
  import org.kuali.ole.module.purap.PurapConstants;
  import org.kuali.ole.module.purap.document.PurchaseOrderDocument;
  import org.kuali.ole.module.purap.document.service.FaxBatchDocumentsService;
  import org.kuali.ole.module.purap.document.service.FaxService;
  import org.kuali.ole.module.purap.document.service.PurapService;
  import org.kuali.ole.module.purap.document.service.PurchaseOrderService;
  import org.kuali.ole.sys.context.SpringContext;
  import org.kuali.rice.core.api.datetime.DateTimeService;
  import org.kuali.rice.kew.api.exception.WorkflowException;
  import org.kuali.rice.krad.service.DocumentService;
  import org.kuali.rice.krad.util.GlobalVariables;
  
  import java.util.Collection;
  import java.util.Iterator;
  
  public class FaxBatchDocumentsServiceImpl implements FaxBatchDocumentsService {
      private static org.apache.log4j.Logger LOG = org.apache.log4j.Logger.getLogger(FaxBatchDocumentsServiceImpl.class);
  
      private PurchaseOrderService purchaseOrderService;
      private FaxService faxService;
      private PurapService purapService;
      private DateTimeService dateTimeService;
  
      /**
       * Faxes pending documents.  Currently only PO documents set to Pending Fax
       * Status inside workflow.
       *
       * @return Collection of ServiceError objects
       */
      public boolean faxPendingPurchaseOrders() {
  
          Collection<PurchaseOrderDocument> pendingPOs = purchaseOrderService.getPendingPurchaseOrderFaxes();
          boolean result = true;
  
          for (Iterator<PurchaseOrderDocument> iter = pendingPOs.iterator(); iter.hasNext(); ) {
  
              PurchaseOrderDocument po = iter.next();
  
              if (!po.getDocumentHeader().hasWorkflowDocument()) {
                  try {
                      po = (PurchaseOrderDocument) SpringContext.getBean(DocumentService.class).getByDocumentHeaderId(po.getDocumentNumber());
                  } catch (WorkflowException e) {
                      throw new RuntimeException(e);
                  }
              }
  
              GlobalVariables.getMessageMap().clearErrorMessages();
              faxService.faxPurchaseOrderPdf(po, false);
  
              if (GlobalVariables.getMessageMap().hasErrors()) {
                  try {
                      po.updateAndSaveAppDocStatus(PurapConstants.PurchaseOrderStatuses.APPDOC_OPEN);
                  } catch (WorkflowException we) {
                      String errorMsg = "Workflow Exception caught trying to create and save PO document of type PurchaseOrderSplitDocument using source document with doc id '" + po.getDocumentNumber() + "'";
                      LOG.error(errorMsg, we);
                      throw new RuntimeException(errorMsg, we);
                  }
  
                  po.setPurchaseOrderInitialOpenTimestamp(dateTimeService.getCurrentTimestamp());
                  po.setPurchaseOrderLastTransmitTimestamp(dateTimeService.getCurrentTimestamp());
                  purapService.saveDocumentNoValidation(po);
              } else {
                  result = false;
              }
          }
  
          return result;
      }
  
      public void setPurchaseOrderService(PurchaseOrderService purchaseOrderService) {
          this.purchaseOrderService = purchaseOrderService;
      }
  
      public void setFaxService(FaxService faxService) {
          this.faxService = faxService;
      }
  
      public void setPurapService(PurapService purapService) {
          this.purapService = purapService;
      }
  
     public void setDateTimeService(DateTimeService dateTimeService) {
         this.dateTimeService = dateTimeService;
     }
 
 }