/**
    * Copyright 2004-2014 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.kpme.core.location.dao;
  
  import java.util.ArrayList;
  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.joda.time.LocalDate;
  import org.kuali.kpme.core.location.Location;
  import org.kuali.kpme.core.util.OjbSubQueryUtil;
  import org.kuali.kpme.core.util.ValidationUtils;
  import org.kuali.rice.core.framework.persistence.ojb.dao.PlatformAwareDaoBaseOjb;
  
  public class LocationDaoOjbImpl extends PlatformAwareDaoBaseOjb implements LocationDao {
     
  	@Override
  	public Location getLocation(String location, LocalDate asOfDate) {
  		Criteria root = new Criteria();
  		root.addEqualTo("location", location);
          root.addEqualTo("effectiveDate", OjbSubQueryUtil.getEffectiveDateSubQuery(Location.class, asOfDate, Location.EQUAL_TO_FIELDS, false));
          root.addEqualTo("timestamp", OjbSubQueryUtil.getTimestampSubQuery(Location.class, Location.EQUAL_TO_FIELDS, false));
  		Criteria activeFilter = new Criteria(); // Inner Join For Activity
  		activeFilter.addEqualTo("active", true);
  		root.addAndCriteria(activeFilter);
  
  		Query query = QueryFactory.newQuery(Location.class, root);
  		
  		return (Location)this.getPersistenceBrokerTemplate().getObjectByQuery(query);
  	}
  
  	@Override
  	public Location getLocation(String hrLocationId) {
  		Criteria crit = new Criteria();
  		crit.addEqualTo("hrLocationId", hrLocationId);
  		
  		Query query = QueryFactory.newQuery(Location.class, crit);
  		return (Location)this.getPersistenceBrokerTemplate().getObjectByQuery(query);
  	}
  	
  	@Override
  	public int getLocationCount(String location,  LocalDate asOfDate) {
  		Criteria crit = new Criteria();
  		// allow wild card
  		if(StringUtils.isNotEmpty(location) && !ValidationUtils.isWildCard(location)) {
  			crit.addEqualTo("location", location);
  		}
  		crit.addEqualTo("effectiveDate", OjbSubQueryUtil.getEffectiveDateSubQuery(Location.class, asOfDate, Location.EQUAL_TO_FIELDS, false));
  		crit.addEqualTo("timestamp", OjbSubQueryUtil.getTimestampSubQuery(Location.class, Location.EQUAL_TO_FIELDS, false));
  		Criteria activeFilter = new Criteria(); // Inner Join For Activity
  		activeFilter.addEqualTo("active", true);
  		crit.addAndCriteria(activeFilter);
  		Query query = QueryFactory.newQuery(Location.class, crit);
  		return this.getPersistenceBrokerTemplate().getCount(query);
  	}
  
  	@Override
      @SuppressWarnings("unchecked")
      public List<Location> searchLocations(String location, String locationDescr, String active, String showHistory) {
          List<Location> results = new ArrayList<Location>();
      	
          Criteria root = new Criteria();
          // ignore cases for location
          if (StringUtils.isNotBlank(location)) {
              root.addLike("UPPER(location)", location.toUpperCase());
          }
          
          if (StringUtils.isNotBlank(locationDescr)) {
              root.addLike("UPPER(description)", locationDescr.toUpperCase()); // KPME-2695
          }
          
          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(Location.class, Location.EQUAL_TO_FIELDS, false));
             root.addEqualTo("timestamp", OjbSubQueryUtil.getTimestampSubQuery(Location.class, Location.EQUAL_TO_FIELDS, false));
         }
         
         Query query = QueryFactory.newQuery(Location.class, root);
         results.addAll(getPersistenceBrokerTemplate().getCollectionByQuery(query));
         
         return results;
     }
 
     @Override
     public List<Location> getNewerVersionLocation(String location, LocalDate asOfDate) {
         Criteria root = new Criteria();
         root.addEqualTo("location", location);
         root.addGreaterThan("effectiveDate", asOfDate.toDate());
 
         Criteria activeFilter = new Criteria(); //Inner join for Activity
         activeFilter.addEqualTo("active", true);
         root.addAndCriteria(activeFilter);
 
         Query query = QueryFactory.newQuery(Location.class, root);
         List<Location> locations = (List<Location>)this.getPersistenceBrokerTemplate().getCollectionByQuery(query);
         if(locations == null) {
             locations = new ArrayList<Location>();
         }
 
         return locations;
 
     }
 
     @Override
     public List<Location> getLocations(String location) {
         List<Location> results = new ArrayList<Location>();
         Criteria crit = new Criteria();
         crit.addEqualTo("location", location);
         crit.addEqualTo("active", true);
         Query query = QueryFactory.newQuery(Location.class, crit);
         results.addAll(getPersistenceBrokerTemplate().getCollectionByQuery(query));
         return results;
     }
 }