/**
    * 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.lm.leaveplan.dao;
  
  import java.sql.Date;
  import java.util.ArrayList;
  import java.util.Collection;
  import java.util.LinkedList;
  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.joda.time.DateTime;
  import org.kuali.hr.core.util.OjbSubQueryUtil;
  import org.kuali.hr.lm.leaveplan.LeavePlan;
  import org.kuali.hr.time.calendar.CalendarEntries;
  import org.kuali.hr.time.util.TKUtils;
  import org.kuali.rice.core.framework.persistence.ojb.dao.PlatformAwareDaoBaseOjb;
  
  public class LeavePlanDaoSpringOjbImpl extends PlatformAwareDaoBaseOjb implements LeavePlanDao {
      private static final ImmutableList<String> EQUAL_TO_FIELDS = new ImmutableList.Builder<String>()
              .add("leavePlan")
              .build();
  
  	@Override
  	public LeavePlan getLeavePlan(String lmLeavePlanId) {
  		Criteria crit = new Criteria();
  		crit.addEqualTo("lmLeavePlanId", lmLeavePlanId);
  		Query query = QueryFactory.newQuery(LeavePlan.class, crit);
  		return (LeavePlan) this.getPersistenceBrokerTemplate().getObjectByQuery(query);
  	}
  	
  	@Override
  	public LeavePlan getLeavePlan(String leavePlan, Date asOfDate) {
  		LeavePlan lp = null;
  
  		Criteria root = new Criteria();
  
          java.sql.Date effDate = asOfDate == null ? null : new java.sql.Date(asOfDate.getTime());
  		root.addEqualTo("leavePlan", leavePlan);
          root.addEqualTo("effectiveDate", OjbSubQueryUtil.getEffectiveDateSubQuery(LeavePlan.class, effDate, EQUAL_TO_FIELDS, false));
          root.addEqualTo("timestamp", OjbSubQueryUtil.getTimestampSubQuery(LeavePlan.class, EQUAL_TO_FIELDS, false));
  		
  		Criteria activeFilter = new Criteria(); // Inner Join For Activity
  		activeFilter.addEqualTo("active", true);
  		root.addAndCriteria(activeFilter);
  		
  		
  		Query query = QueryFactory.newQuery(LeavePlan.class, root);
  		Object obj = this.getPersistenceBrokerTemplate().getObjectByQuery(query);
  
  		if (obj != null) {
  			lp = (LeavePlan) obj;
  		}
  
  		return lp;
  	}
  
  	@Override
  	public int getNumberLeavePlan(String leavePlan) {
  		Criteria crit = new Criteria();
  		crit.addEqualTo("leavePlan", leavePlan);
  		Query query = QueryFactory.newQuery(LeavePlan.class, crit);
  		return this.getPersistenceBrokerTemplate().getCount(query);
  	}
  	
  	@Override
  	public List<LeavePlan> getAllActiveLeavePlan(String leavePlan, Date asOfDate) {
  		Criteria root = new Criteria();
          root.addEqualTo("leavePlan", leavePlan);
          root.addEqualTo("active", true);
          root.addLessOrEqualThan("effectiveDate", asOfDate);
  
          Query query = QueryFactory.newQuery(LeavePlan.class, root);
          Collection c = this.getPersistenceBrokerTemplate().getCollectionByQuery(query);
          
          List<LeavePlan> lps = new LinkedList<LeavePlan>();
          if (c != null) {
          	lps.addAll(c);
          }
          return lps;
  		
 	}
 	
 	@Override
 	public List<LeavePlan> getAllInActiveLeavePlan(String leavePlan, Date asOfDate) {
 		Criteria root = new Criteria();
         root.addEqualTo("leavePlan", leavePlan);
         root.addEqualTo("active", false);
         root.addLessOrEqualThan("effectiveDate", asOfDate);
         
         Query query = QueryFactory.newQuery(LeavePlan.class, root);
         Collection c = this.getPersistenceBrokerTemplate().getCollectionByQuery(query);
         
         List<LeavePlan> lps = new LinkedList<LeavePlan>();
         if (c != null) {
         	lps.addAll(c);
         }
         return lps;
 	}
 
     @Override
     @SuppressWarnings("unchecked")
     public List<LeavePlan> getLeavePlans(String leavePlan, String calendarYearStart, String descr, String planningMonths, Date fromEffdt, Date toEffdt, 
     									 String active, String showHistory) {
 
         List<LeavePlan> results = new ArrayList<LeavePlan>();
         
     	Criteria root = new Criteria();
 
         if (StringUtils.isNotBlank(leavePlan)) {
         	root.addLike("leavePlan", leavePlan);
         }
         
         if (StringUtils.isNotBlank(calendarYearStart)) {
         	root.addEqualTo("calendarYearStart", calendarYearStart);
         }
         
         if (StringUtils.isNotBlank(descr)) {
         	root.addLike("descr", descr);
         }
         
         if (StringUtils.isNotBlank(planningMonths)) {
         	root.addEqualTo("planningMonths", planningMonths);
         }
         
         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(LeavePlan.class, effectiveDateFilter, EQUAL_TO_FIELDS, false));
             root.addEqualTo("timestamp", OjbSubQueryUtil.getTimestampSubQuery(LeavePlan.class, EQUAL_TO_FIELDS, false));
         }
 
         Query query = QueryFactory.newQuery(LeavePlan.class, root);
         results.addAll(getPersistenceBrokerTemplate().getCollectionByQuery(query));
 
         return results;
     }
 
 	@Override
 	public List<LeavePlan> getLeavePlansNeedsScheduled(int thresholdDays,
 			Date asOfDate) {
 
         Criteria root = new Criteria();
 
         root.addEqualTo("active", true);
 
         Query query = QueryFactory.newQuery(LeavePlan.class, root);
         Collection c = this.getPersistenceBrokerTemplate().getCollectionByQuery(query);
 
         List<LeavePlan> leavePlans = new ArrayList<LeavePlan>(c.size());
         leavePlans.addAll(c);
 
         return leavePlans;
 	}
     
 }