/**
    * Copyright 2012 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.osedu.org/licenses/ECL-2.0
    *
    * 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.
   *
   * Created by Adi Rajesh on 6/7/12
   */
  package org.kuali.student.enrollment.class2.acal.service.impl;
  
  import org.apache.commons.lang.StringUtils;
  import org.kuali.rice.core.api.criteria.Predicate;
  import org.kuali.rice.core.api.criteria.QueryByCriteria;
  import org.kuali.rice.core.api.resourceloader.GlobalResourceLoader;
  import org.kuali.rice.krad.lookup.LookupableImpl;
  import org.kuali.rice.krad.web.form.LookupForm;
  import org.kuali.student.common.util.ContextBuilder;
  import org.kuali.student.r2.core.acal.dto.AcalEventInfo;
  import org.kuali.student.r2.core.acal.service.AcademicCalendarService;
  import org.kuali.student.r2.common.dto.ContextInfo;
  import javax.xml.namespace.QName;
  import java.util.ArrayList;
  import java.util.List;
  import java.util.Map;
  
  import static org.kuali.rice.core.api.criteria.PredicateFactory.and;
  import static org.kuali.rice.core.api.criteria.PredicateFactory.like;
  
  
  /**
   * This class provides a Lookupable implementation for AcalEvent objects
   *
   * @author Kuali Student Team
   */
  public class AcalEventInfoLookupableImpl extends LookupableImpl {
      private AcademicCalendarService academicCalendarService;
      ContextInfo contextInfo = new ContextInfo();
  
      @Override
      protected List<?> getSearchResults(LookupForm lookupForm, Map<String, String> fieldValues, boolean unbounded) {
          List<AcalEventInfo> results = new ArrayList<AcalEventInfo>();
          QueryByCriteria.Builder qBuilder = QueryByCriteria.Builder.create();
          List<Predicate> pList = new ArrayList<Predicate>();
          Predicate p;
  
          String name = fieldValues.get("name");
  
          qBuilder.setPredicates();
          if (StringUtils.isNotBlank(name)){
              p = like("name", "%" + name + "%");
              pList.add(p);
          }
  
          if (!pList.isEmpty()){
              Predicate[] preds = new Predicate[pList.size()];
              pList.toArray(preds);
              qBuilder.setPredicates(and(preds));
          }
  
          try {
              QueryByCriteria query = qBuilder.build();
  
              academicCalendarService= getAcademicCalendarService();
  
  
              List<AcalEventInfo> acalEventInfos = academicCalendarService.searchForAcalEvents(query, getContextInfo());
              if (!acalEventInfos.isEmpty()){
                  results.addAll(acalEventInfos);
              }
          } catch (Exception e) {
              e.printStackTrace();
              throw new RuntimeException("Error Performing Search",e); //To change body of catch statement use File | Settings | File Templates.
          }
          return results;
      }
  
      protected AcademicCalendarService getAcademicCalendarService() {
          if(academicCalendarService == null) {
              academicCalendarService = (AcademicCalendarService) GlobalResourceLoader.getService(new QName("http://student.kuali.org/wsdl/acal", "AcademicCalendarService"));
          }
          return academicCalendarService;
      }
  
      public ContextInfo getContextInfo() {
          if (contextInfo == null){
              contextInfo =  ContextBuilder.loadContextInfo();
          }
          return contextInfo;
      }
  }