/**
    * 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.department.dao;
  
  import java.sql.Date;
  import java.util.ArrayList;
  import java.util.Collection;
  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.kuali.hr.core.util.OjbSubQueryUtil;
  import org.kuali.hr.time.department.Department;
  import org.kuali.rice.core.framework.persistence.ojb.dao.PlatformAwareDaoBaseOjb;
  
  public class DepartmentDaoSpringOjbImpl extends PlatformAwareDaoBaseOjb implements DepartmentDao {
      private static final ImmutableList<String> EQUAL_TO_FIELDS = new ImmutableList.Builder<String>()
              .add("dept")
              .build();
  
  	@Override
  	public void saveOrUpdate(Department dept) {
  		this.getPersistenceBrokerTemplate().store(dept);
  	}
  
  	@Override
  	public Department getDepartment(String department, Date asOfDate) {
  		Criteria root = new Criteria();
  
  		root.addEqualTo("dept", department);
          root.addEqualTo("effectiveDate", OjbSubQueryUtil.getEffectiveDateSubQuery(Department.class, asOfDate, EQUAL_TO_FIELDS, false));
          root.addEqualTo("timestamp", OjbSubQueryUtil.getTimestampSubQuery(Department.class, EQUAL_TO_FIELDS, false));
  
  		Criteria activeFilter = new Criteria(); // Inner Join For Activity
  		activeFilter.addEqualTo("active", true);
  		root.addAndCriteria(activeFilter);
  
  		Query query = QueryFactory.newQuery(Department.class, root);
  
  		Department d = (Department)this.getPersistenceBrokerTemplate().getObjectByQuery(query);
  
  		return d;
  	}
  
      @Override
      public List<Department> getDepartments(String location, Date asOfDate) {
  		Criteria root = new Criteria();
  
  		root.addEqualTo("location", location);
          root.addEqualTo("effectiveDate", OjbSubQueryUtil.getEffectiveDateSubQuery(Department.class, asOfDate, EQUAL_TO_FIELDS, false));
          root.addEqualTo("timestamp", OjbSubQueryUtil.getTimestampSubQuery(Department.class, EQUAL_TO_FIELDS, false));
  
  		Criteria activeFilter = new Criteria(); // Inner Join For Activity
  		activeFilter.addEqualTo("active", true);
  		root.addAndCriteria(activeFilter);
  
  
  		Query query = QueryFactory.newQuery(Department.class, root);
  
          Collection c = this.getPersistenceBrokerTemplate().getCollectionByQuery(query);
  		List<Department> d = new ArrayList<Department>(c.size());
          d.addAll(c);
  
  		return d;
      }
  
  	@Override
  	@SuppressWarnings("unchecked")
      public List<Department> getDepartments(String dept, String location, String departmentDescr, String active, String showHistory) {
          List<Department> results = new ArrayList<Department>();
  
          Criteria root = new Criteria();
  
          if (StringUtils.isNotBlank(dept)) {
              root.addLike("dept", dept);
          }
  
          if (StringUtils.isNotBlank(location)) {
              root.addLike("location", location);
          }
  
          if (StringUtils.isNotBlank(departmentDescr)) {
             root.addLike("description", departmentDescr);
         }
 
         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")) {
             ImmutableList<String> fields = new ImmutableList.Builder<String>()
                     .add("dept")
                     .add("location")
                     .add("description")
                     .build();
             root.addEqualTo("effectiveDate", OjbSubQueryUtil.getEffectiveDateSubQueryWithoutFilter(Department.class, EQUAL_TO_FIELDS, false));
             root.addEqualTo("timestamp", OjbSubQueryUtil.getTimestampSubQuery(Department.class, EQUAL_TO_FIELDS, false));
         }
 
         Query query = QueryFactory.newQuery(Department.class, root);
         results.addAll(getPersistenceBrokerTemplate().getCollectionByQuery(query));
 
         return results;
     }
 
 	@Override
 	public Department getDepartment(String hrDeptId) {
 		Criteria crit = new Criteria();
 		crit.addEqualTo("hrDeptId", hrDeptId);
 		
 		Query query = QueryFactory.newQuery(Department.class, crit);
 		return (Department)this.getPersistenceBrokerTemplate().getObjectByQuery(query);
 	}
 	
 	@Override
 	public List<Department> getDepartmentByLocation(String location) {
 		Criteria crit = new Criteria();
 		crit.addEqualTo("location", location);
 		
 		Query query = QueryFactory.newQuery(Department.class, crit);
 
         Collection c = this.getPersistenceBrokerTemplate().getCollectionByQuery(query);
 		List<Department> d = new ArrayList<Department>(c.size());
         d.addAll(c);
 
 		return d;		
 	}
 	
 	@Override
 	public int getDepartmentCount(String department) {
 		Criteria crit = new Criteria();
 		crit.addEqualTo("dept", department);
 		Query query = QueryFactory.newQuery(Department.class, crit);
 		return this.getPersistenceBrokerTemplate().getCount(query);
 	}
 }