/**
    * Copyright 2004-2013 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.hr.paygrade.dao;
  
  import java.sql.Date;
  import java.util.ArrayList;
  import java.util.List;
  
  import com.google.common.collect.ImmutableList;
  import org.apache.commons.lang.StringUtils;
  import org.apache.ojb.broker.query.Criteria;
  import org.apache.ojb.broker.query.Query;
  import org.apache.ojb.broker.query.QueryFactory;
  import org.apache.ojb.broker.query.ReportQueryByCriteria;
  import org.kuali.hr.core.util.OjbSubQueryUtil;
  import org.kuali.hr.paygrade.PayGrade;
  import org.kuali.rice.core.framework.persistence.ojb.dao.PlatformAwareDaoBaseOjb;
  
  public class PayGradeDaoSpringObjImpl  extends PlatformAwareDaoBaseOjb implements PayGradeDao {
      private static final ImmutableList<String> EQUAL_TO_FIELDS = new ImmutableList.Builder<String>()
              .add("payGrade")
              .add("salGroup")
              .build();
  
  	@Override
  	public PayGrade getPayGrade(String payGrade, String salGroup, Date asOfDate) {
  		Criteria root = new Criteria();
  
  		root.addEqualTo("payGrade", payGrade);
  		root.addEqualTo("salGroup", salGroup);
          root.addEqualTo("effectiveDate", OjbSubQueryUtil.getEffectiveDateSubQuery(PayGrade.class, new java.sql.Date(asOfDate.getTime()), EQUAL_TO_FIELDS, false));
          root.addEqualTo("timestamp", OjbSubQueryUtil.getTimestampSubQuery(PayGrade.class, EQUAL_TO_FIELDS, false));
  
  		Criteria activeFilter = new Criteria(); // Inner Join For Activity
  		activeFilter.addEqualTo("active", true);
  		root.addAndCriteria(activeFilter);
  
  		
  		Query query = QueryFactory.newQuery(PayGrade.class, root);
  		
  		PayGrade pg = (PayGrade)this.getPersistenceBrokerTemplate().getObjectByQuery(query);
  		
  		return pg;
  	}
  
  	@Override
  	public PayGrade getPayGrade(String hrPayGradeId) {
  		Criteria crit = new Criteria();
  		crit.addEqualTo("hrPayGradeId", hrPayGradeId);
  		
  		Query query = QueryFactory.newQuery(PayGrade.class, crit);
  		
  		return (PayGrade)this.getPersistenceBrokerTemplate().getObjectByQuery(query);
  	}
  	
  	public int getPayGradeCount(String payGrade) {
  		Criteria crit = new Criteria();
  		crit.addEqualTo("payGrade", payGrade);
  		Query query = QueryFactory.newQuery(PayGrade.class, crit);
  		return this.getPersistenceBrokerTemplate().getCount(query);
  	}
  
  	@Override
      @SuppressWarnings("unchecked")
      public List<PayGrade> getPayGrades(String payGrade, String payGradeDescr, String active, String showHistory) {
          List<PayGrade> results = new ArrayList<PayGrade>();
      	
      	Criteria root = new Criteria();
  
          if (StringUtils.isNotBlank(payGrade)) {
              root.addLike("payGrade", payGrade);
          }
          
          if (StringUtils.isNotBlank(payGradeDescr)) {
              root.addLike("description", payGradeDescr);
          }
          
          if (StringUtils.isNotBlank(active)) {
          	Criteria activeFilter = new Criteria();
              if (StringUtils.equals(active, "Y")) {
                  activeFilter.addEqualTo("active", true);
              } else if (StringUtils.equals(active, "N")) {
                  activeFilter.addEqualTo("active", false);
              }
              root.addAndCriteria(activeFilter);
          }
 
         if (StringUtils.equals(showHistory, "N")) {
             root.addEqualTo("effectiveDate", OjbSubQueryUtil.getEffectiveDateSubQueryWithoutFilter(PayGrade.class, EQUAL_TO_FIELDS, false));
             root.addEqualTo("timestamp", OjbSubQueryUtil.getTimestampSubQuery(PayGrade.class, EQUAL_TO_FIELDS, false));
         }
         
         Query query = QueryFactory.newQuery(PayGrade.class, root);
         results.addAll(getPersistenceBrokerTemplate().getCollectionByQuery(query));
 
         return results;
     }
 
 }