package org.kuali.student.lum.bo.options;

 import java.util.ArrayList;

 import java.util.List;

 import javax.xml.namespace.QName;

 import org.apache.commons.lang.StringUtils;

 import org.apache.log4j.Logger;

 import org.kuali.rice.core.resourceloader.GlobalResourceLoader;

 import org.kuali.rice.core.util.KeyLabelPair;

 import org.kuali.rice.kns.lookup.keyvalues.KeyValuesBase;

 import org.kuali.student.core.organization.service.OrganizationService;

 import org.kuali.student.core.search.dto.SearchRequest;

 import org.kuali.student.core.search.dto.SearchResultCell;

 import org.kuali.student.core.search.dto.SearchResultRow;

 public class RemoteOrganizationValuesFinder extends KeyValuesBase {

     private static final Logger LOG = Logger.getLogger(RemoteOrganizationValuesFinder.class);

     private OrganizationService organizationService;

     @Override

     public List<KeyLabelPair> getKeyValues() {

         List<KeyLabelPair> departments = new ArrayList<KeyLabelPair>();

         SearchRequest searchRequest = new SearchRequest();

         searchRequest.setSearchKey("org.search.generic");

         try {

             for (SearchResultRow result : getOrganizationService().search(searchRequest).getRows()) {

                 String orgId = "";

                 String orgShortName = "";

                 String orgOptionalLongName = "";

                 String orgType = "";

                 for (SearchResultCell resultCell : result.getCells()) {

                     if ("org.resultColumn.orgId".equals(resultCell.getKey())) {

                         orgId = resultCell.getValue();

                     } else if ("org.resultColumn.orgShortName".equals(resultCell.getKey())) {

                         orgShortName = resultCell.getValue();

                     } else if ("org.resultColumn.orgOptionalLongName".equals(resultCell.getKey())) {

                         orgOptionalLongName = resultCell.getValue();

                     } else if ("org.resultColumn.orgType".equals(resultCell.getKey())) {

                         orgType = resultCell.getValue();

                     }

                 }

                 departments.add(buildKeyLabelPair(orgId, orgShortName, orgOptionalLongName, orgType));

             }

         } catch (Exception e) {

             LOG.error("Error building KeyValues List", e);

             // swallow exception for now, in case we want to run without ks up

             // throw new RuntimeException(e);

         }

         return departments;

     }

     protected OrganizationService getOrganizationService() {

         if (organizationService == null) {

             organizationService = (OrganizationService) GlobalResourceLoader

                 .getService(new QName("http://student.kuali.org/wsdl/organization","OrganizationService"));

         }

         return organizationService;

     }

     /**

      * Builds a valid {@link KeyLabelPair} object for use in Student system KeyValue classes. Will throw an {@link IllegalArgumentException}

      * if the parameters needed are not passed.

      * 

      * @param orgId

      * @param orgShortName

      * @param orgLongName

      * @param orgType

      * @return

      */

     protected KeyLabelPair buildKeyLabelPair(String orgId, String orgShortName, String orgLongName, String orgType) {

         if (StringUtils.isBlank(orgShortName)) {

             throw new IllegalArgumentException("Blank value for orgShortName is invalid.");

         }

         return new KeyLabelPair(orgId, (StringUtils.isNotBlank(orgLongName) ? orgLongName : orgShortName) );

     }

 }