/**
    * 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.time.syslunch.dao;
  
  import java.sql.Date;
  import java.util.ArrayList;
  import java.util.Collections;
  import java.util.List;
  
  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.time.syslunch.rule.SystemLunchRule;
  import org.kuali.hr.time.util.TKUtils;
  import org.kuali.rice.core.framework.persistence.ojb.dao.PlatformAwareDaoBaseOjb;
  
  public class SystemLunchRuleDaoImpl  extends PlatformAwareDaoBaseOjb implements SystemLunchRuleDao {
  
  	@Override
  	public SystemLunchRule getSystemLunchRule(Date asOfDate) {
  		Criteria root = new Criteria();
  
          root.addEqualTo("effectiveDate", OjbSubQueryUtil.getEffectiveDateSubQuery(SystemLunchRule.class, asOfDate, Collections.EMPTY_LIST, false));
          root.addEqualTo("timestamp", OjbSubQueryUtil.getTimestampSubQuery(SystemLunchRule.class, Collections.EMPTY_LIST, false));
  
  		Criteria activeFilter = new Criteria(); // Inner Join For Activity
  		activeFilter.addEqualTo("active", true);
  		root.addAndCriteria(activeFilter);
  
  		Query query = QueryFactory.newQuery(SystemLunchRule.class, root);
  		return (SystemLunchRule)this.getPersistenceBrokerTemplate().getObjectByQuery(query);
  	}
  
  	@Override
  	public SystemLunchRule getSystemLunchRule(String tkSystemLunchRuleId) {
  		Criteria crit = new Criteria();
  		crit.addEqualTo("tkSystemLunchRuleId", tkSystemLunchRuleId);
  		
  		Query query = QueryFactory.newQuery(SystemLunchRule.class, crit);
  		
  		return (SystemLunchRule)this.getPersistenceBrokerTemplate().getObjectByQuery(query);
  	}
  
  	@Override
      @SuppressWarnings("unchecked")
      public List<SystemLunchRule> getSystemLunchRules(Date fromEffdt, Date toEffdt, String active, String showHistory) {
          List<SystemLunchRule> results = new ArrayList<SystemLunchRule>();
          
          Criteria root = new Criteria();
  
          Criteria effectiveDateFilter = new Criteria();
          if (fromEffdt != null) {
              effectiveDateFilter.addGreaterOrEqualThan("effectiveDate", fromEffdt);
          }
          if (toEffdt != null) {
              effectiveDateFilter.addLessOrEqualThan("effectiveDate", toEffdt);
          }
          if (fromEffdt == null && toEffdt == null) {
              effectiveDateFilter.addLessOrEqualThan("effectiveDate", TKUtils.getCurrentDate());
          }
          root.addAndCriteria(effectiveDateFilter);
          
          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.getEffectiveDateSubQueryWithFilter(SystemLunchRule.class, effectiveDateFilter, Collections.EMPTY_LIST, false));
              root.addEqualTo("timestamp", OjbSubQueryUtil.getTimestampSubQuery(SystemLunchRule.class, Collections.EMPTY_LIST, false));
          }
          
          Query query = QueryFactory.newQuery(SystemLunchRule.class, root);
          results.addAll(getPersistenceBrokerTemplate().getCollectionByQuery(query));
  
          return results;
      }
  
 }