/**
    * 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.class1.hold.service;
  
  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.common.dto.ContextInfo;
  import org.kuali.student.r2.core.constants.HoldServiceConstants;
  import org.kuali.student.r2.core.hold.dto.HoldIssueInfo;
  import org.kuali.student.r2.core.hold.service.HoldService;
  
  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.equal;
  import static org.kuali.rice.core.api.criteria.PredicateFactory.like;
  
  
  /**
   * This class //TODO ...
   *
   * @author Kuali Student Team
   */
  public class HoldIssueInfoLookupableImpl extends LookupableImpl {
      private HoldService holdService;
      ContextInfo contextInfo = new ContextInfo();
  
      @Override
      protected List<?> getSearchResults(LookupForm lookupForm, Map<String, String> fieldValues, boolean unbounded) {
          List<HoldIssueInfo> results = new ArrayList<HoldIssueInfo>();
          QueryByCriteria.Builder qBuilder = QueryByCriteria.Builder.create();
          List<Predicate> pList = new ArrayList<Predicate>();
          Predicate p;
  
          String type = fieldValues.get("typeKey");
          String name = fieldValues.get("name");
          String state = fieldValues.get("stateKey");
          String orgId = fieldValues.get("organizationId");
          String descr = fieldValues.get("descr.plain");
          qBuilder.setPredicates();
          if (StringUtils.isNotBlank(name)){
              p = like("name", "%" + name + "%");
              pList.add(p);
          }
  
          if (StringUtils.isNotBlank(type)){
              p = like("holdIssueType", "%" + type + "%");
              pList.add(p);
          }
  
          if (StringUtils.isNotBlank(state)){
              p = equal("holdIssueState", state);
              pList.add(p);
          }
  
          if (StringUtils.isNotBlank(orgId)){
              p = equal("organizationId", orgId);
              pList.add(p);
          }
  
          if (StringUtils.isNotBlank(descr)){
              p = like("descrPlain", "%" + descr + "%");
              pList.add(p);
          }
  
          if (!pList.isEmpty()){
              Predicate[] preds = new Predicate[pList.size()];
              pList.toArray(preds);
              qBuilder.setPredicates(and(preds));
          }
  
          try {
              QueryByCriteria query = qBuilder.build();
  
              HoldService holdService = getHoldService();
  
  
             List<HoldIssueInfo> holdIssueInfos = holdService.searchForHoldIssues(query, getContextInfo());
             if (!holdIssueInfos.isEmpty()){
                 results.addAll(holdIssueInfos);
             }
         } 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 HoldService getHoldService(){
         if(holdService == null) {
             holdService = (HoldService) GlobalResourceLoader.getService(new QName(HoldServiceConstants.NAMESPACE, HoldServiceConstants.SERVICE_NAME_LOCAL_PART));
         }
         return holdService;
     }
 
     public ContextInfo getContextInfo() {
         if (contextInfo == null){
             contextInfo =  ContextBuilder.loadContextInfo();
         }
         return contextInfo;
     }
 }