/*
    * The Kuali Financial System, a comprehensive financial management system for higher education.
    *
    * Copyright 2005-2014 The Kuali Foundation
    *
    * This program is free software: you can redistribute it and/or modify
    * it under the terms of the GNU Affero General Public License as
    * published by the Free Software Foundation, either version 3 of the
    * License, or (at your option) any later version.
   *
   * This program is distributed in the hope that it will be useful,
   * but WITHOUT ANY WARRANTY; without even the implied warranty of
   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   * GNU Affero General Public License for more details.
   *
   * You should have received a copy of the GNU Affero General Public License
   * along with this program.  If not, see <http://www.gnu.org/licenses/>.
   */
  package org.kuali.kfs.module.external.kc.service.impl;
  
  import java.net.MalformedURLException;
  import java.util.ArrayList;
  import java.util.Collection;
  import java.util.Iterator;
  import java.util.List;
  import java.util.Map;
  
  import javax.xml.ws.WebServiceException;
  
  import org.kuali.kfs.integration.cg.ContractsAndGrantsCfda;
  import org.kuali.kfs.integration.cg.dto.HashMapElement;
  import org.kuali.kfs.module.external.kc.KcConstants;
  import org.kuali.kfs.module.external.kc.businessobject.CfdaDTO;
  import org.kuali.kfs.module.external.kc.service.ExternalizableLookupableBusinessObjectService;
  import org.kuali.kfs.module.external.kc.util.GlobalVariablesExtractHelper;
  import org.kuali.kfs.module.external.kc.webService.CfdaNumberSoapService;
  import org.kuali.kfs.sys.KFSConstants;
  import org.kuali.kra.external.Cfda.service.CfdaNumberService;
  import org.kuali.rice.core.api.config.property.ConfigurationService;
  import org.kuali.rice.core.api.resourceloader.GlobalResourceLoader;
  import org.kuali.rice.krad.bo.BusinessObject;
  import org.kuali.rice.krad.bo.ExternalizableBusinessObject;
  
  public class CfdaServiceImpl implements ExternalizableLookupableBusinessObjectService {
      private static org.apache.log4j.Logger LOG = org.apache.log4j.Logger.getLogger(CfdaServiceImpl.class);
  
      protected ConfigurationService configurationService;
  
      protected CfdaNumberService getWebService() {
          // first attempt to get the service from the KSB - works when KFS & KC share a Rice instance
          CfdaNumberService cfdaNumberService = (CfdaNumberService) GlobalResourceLoader.getService(KcConstants.Cfda.SERVICE);
  
          // if we couldn't get the service from the KSB, get as web service - for when KFS & KC have separate Rice instances
          if (cfdaNumberService == null) {
              LOG.warn("Couldn't get CfdaNumberService from KSB, setting it up as SOAP web service - expected behavior for bundled Rice, but not when KFS & KC share a standalone Rice instance.");
              CfdaNumberSoapService soapService = null;
              try {
                  soapService = new CfdaNumberSoapService();
              }
              catch (MalformedURLException ex) {
                  LOG.error("Could not intialize CfdaNumberSoapService: " + ex.getMessage());
                  throw new RuntimeException("Could not intialize CfdaNumberSoapService: " + ex.getMessage());
              }
              cfdaNumberService = soapService.getCfdaNumberServicePort();
          }
          return cfdaNumberService;
      }
  
      @Override
      public ExternalizableBusinessObject findByPrimaryKey(Map primaryKeys) {
  
          Collection cfda = findMatching(primaryKeys);
  
          if (cfda != null && cfda.iterator().hasNext()) {
              return (ContractsAndGrantsCfda) cfda.iterator().next();
          }
          else {
              return null;
          }
      }
  
      @Override
      public Collection findMatching(Map fieldValues) {
          List<CfdaDTO> cfdas = null;
          java.util.List<HashMapElement> hashMapList = new ArrayList<HashMapElement>();
  
          for (Iterator i = fieldValues.entrySet().iterator(); i.hasNext();) {
              Map.Entry e = (Map.Entry) i.next();
  
              String key = (String) e.getKey();
              String val = (String) e.getValue();
  
              if (KcConstants.Cfda.KC_ALLOWABLE_CRITERIA_PARAMETERS.contains(key) && (val.length() > 0)) {
                  HashMapElement hashMapElement = new HashMapElement();
                  hashMapElement.setKey(key);
                  hashMapElement.setValue(val);
                  hashMapList.add(hashMapElement);
              }
          }
 
         try {
             cfdas = getWebService().lookupCfda(hashMapList);
         }
         catch (WebServiceException ex) {
             LOG.error("Could not retrieve cfda: "+ ex.getMessage());
             GlobalVariablesExtractHelper.insertError(KcConstants.WEBSERVICE_UNREACHABLE, getConfigurationService().getPropertyValueAsString(KFSConstants.KC_APPLICATION_URL_KEY));
         }
 
         if (cfdas == null) {
             cfdas = new ArrayList();
         }
 
         return cfdas;
     }
 
     @Override
     public List<? extends BusinessObject> getSearchResults(Map<String, String> fieldValues) {
         return new ArrayList(findMatching(fieldValues));
     }
 
     public ConfigurationService getConfigurationService() {
         return configurationService;
     }
 
     public void setConfigurationService(ConfigurationService configurationService) {
         this.configurationService = configurationService;
     }
 
 }