/**
    * Copyright 2005-2013 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.student.lum.lu.ui.krms.service.impl;
  
  import org.kuali.rice.core.api.resourceloader.GlobalResourceLoader;
  import org.kuali.rice.krad.lookup.LookupForm;
  import org.kuali.student.common.uif.service.impl.KSLookupableImpl;
  import org.kuali.student.lum.lu.ui.krms.util.CluSearchUtil;
  import org.kuali.student.common.util.security.ContextUtils;
  import org.kuali.student.r2.core.search.dto.SearchParamInfo;
  import org.kuali.student.r2.core.search.dto.SearchRequestInfo;
  import org.kuali.student.r2.core.search.dto.SearchResultInfo;
  import org.kuali.student.r2.lum.clu.service.CluService;
  import org.kuali.student.r2.lum.util.constants.CluServiceConstants;
  
  import javax.xml.namespace.QName;
  import java.util.ArrayList;
  import java.util.List;
  import java.util.Map;
  
  import static org.apache.commons.lang.StringUtils.isEmpty;
  
  /**
   * Lookupable Implementation for Programs
   *
   * @author Kuali Student Team
   */
  public class ProgramInfoLookupableImpl extends KSLookupableImpl {
  
  	private static final long serialVersionUID = 1L;	
  	
      private transient CluService cluService;
  
      public enum QueryParamEnum {
          ID("lu.queryParam.luOptionalId","id"),
          TITLE("lu.queryParam.luOptionalLongName", "title"),
          CODE("lu.queryParam.luOptionalCode", "code"),
          DESCRIPTION("lu.queryParam.luOptionalDescr", "description");
  
          private final String fieldValue;
          private final String queryKey;
  
          QueryParamEnum(String qKey, String fValue) {
              this.queryKey = qKey;
              this.fieldValue = fValue;
          }
  
          public String getFieldValue() {
              return fieldValue;
          }
  
          public String getQueryKey() {
              return queryKey;
          }
      }
  
      @Override
      public List<?> performSearch(LookupForm lookupForm, Map<String, String> searchCriteria, boolean bounded) {
  
          List<SearchParamInfo> searchParams = new ArrayList<SearchParamInfo>();
          searchParams.add(CluSearchUtil.getTypeSearchParamForProgram());
          searchParams.add(CluSearchUtil.getApprovedStateSearchParam());
          for (QueryParamEnum qpEnum : QueryParamEnum.values()) {
              String fieldValue = searchCriteria.get(qpEnum.getFieldValue());
              if ( ! isEmpty(fieldValue) ) {
                  SearchParamInfo qpv = new SearchParamInfo();
                  qpv.setKey(qpEnum.getQueryKey());
                  qpv.getValues().add(fieldValue);
                  searchParams.add(qpv);
              }
          }
  
          SearchRequestInfo searchRequest = new SearchRequestInfo();
          searchRequest.setParams(searchParams);
          searchRequest.setSearchKey("lu.search.current");
          searchRequest.setSortColumn("lu.resultColumn.luOptionalCode");
  
          try {
              SearchResultInfo searchResult = getCluService().search(searchRequest, ContextUtils.getContextInfo());
              return CluSearchUtil.resolveCluSearchResultSet(searchResult);
          } catch (Exception e) {
              throw new RuntimeException(e);
          }
      }
  
      protected CluService getCluService() {
         if(cluService == null) {
             cluService = (CluService)GlobalResourceLoader.getService(new QName(CluServiceConstants.CLU_NAMESPACE,CluServiceConstants.SERVICE_NAME_LOCAL_PART));
         }
         return this.cluService;
     }
 
 }