/**
    * 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.timecollection.rule.dao;
  
  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.collection.rule.TimeCollectionRule;
  import org.kuali.rice.core.framework.persistence.ojb.dao.PlatformAwareDaoBaseOjb;
  
  import java.sql.Date;
  import java.util.ArrayList;
  import java.util.List;
  
  public class TimeCollectionRuleDaoServiceImpl extends PlatformAwareDaoBaseOjb implements TimeCollectionRuleDaoService {
      private static final ImmutableList<String> EQUAL_TO_FIELDS = new ImmutableList.Builder<String>()
              .add("workArea")
              .add("dept")
              .add("payType")
              .build();
  
      /*
        * Returns valid TimeCollectionRule based on dept,workArea, and asOfDate
        * dept and work area are wildcardable values
        * @see org.kuali.hr.time.timecollection.rule.dao.TimeCollectionRuleDaoService#getTimeCollectionRule(java.lang.String dept,
        * java.lang.Long workArea, java.sql.Date asOfDate)
        */
  
      @Override
      public TimeCollectionRule getTimeCollectionRule(String dept, Long workArea, Date asOfDate) {
  
  
          TimeCollectionRule timeCollectionRule = new TimeCollectionRule();
  
          //First call confirm no exact match
          timeCollectionRule = getTimeCollectionRuleWildCarded(dept, workArea, asOfDate);
          if (timeCollectionRule != null) {
              return timeCollectionRule;
          }
          //Try with dept wildcarded *
          timeCollectionRule = getTimeCollectionRuleWildCarded("%", workArea, asOfDate);
          if (timeCollectionRule != null) {
              return timeCollectionRule;
          }
  
          //Try with work area wildcarded
          timeCollectionRule = getTimeCollectionRuleWildCarded(dept, -1L, asOfDate);
          if (timeCollectionRule != null) {
              return timeCollectionRule;
          }
  
          //Try with everything wildcarded
          return getTimeCollectionRuleWildCarded("%", -1L, asOfDate);
      }
  
      private TimeCollectionRule getTimeCollectionRuleWildCarded(String dept, Long workArea, Date asOfDate) {
          Criteria root = new Criteria();
          ImmutableList<String> fields = new ImmutableList.Builder<String>()
                  .add("workArea")
                  .add("dept")
                  .build();
  
          root.addEqualTo("dept", dept);
          root.addEqualTo("workArea", workArea);
          root.addEqualTo("effectiveDate", OjbSubQueryUtil.getEffectiveDateSubQuery(TimeCollectionRule.class, asOfDate, fields, false));
          root.addEqualTo("timestamp", OjbSubQueryUtil.getTimestampSubQuery(TimeCollectionRule.class, fields, false));
  //		root.addEqualTo("active", true);
  
          Criteria activeFilter = new Criteria(); // Inner Join For Activity
          activeFilter.addEqualTo("active", true);
          root.addAndCriteria(activeFilter);
  
  
          Query query = QueryFactory.newQuery(TimeCollectionRule.class, root);
          return (TimeCollectionRule) this.getPersistenceBrokerTemplate().getObjectByQuery(query);
  
      }
  
      @Override
      public TimeCollectionRule getTimeCollectionRule(String tkTimeCollectionRuleId) {
          Criteria crit = new Criteria();
          crit.addEqualTo("tkTimeCollectionRuleId", tkTimeCollectionRuleId);
  
         Query query = QueryFactory.newQuery(TimeCollectionRule.class, crit);
         return (TimeCollectionRule) this.getPersistenceBrokerTemplate().getObjectByQuery(query);
 
     }
 
     /* Jira 1152
       * Returns valid TimeCollectionRule based on dept, workArea, payType, and asOfDate
       * dept, work area, and payType can be wildcardable values
       */
     @Override
     public TimeCollectionRule getTimeCollectionRule(String dept, Long workArea, String payType, Date asOfDate) {
 
 
         TimeCollectionRule timeCollectionRule = new TimeCollectionRule();
 
         //First call confirm no exact match
         timeCollectionRule = getTimeCollectionRuleWildCarded(dept, workArea, payType, asOfDate);
         if (timeCollectionRule != null) {
             return timeCollectionRule;
         }
         //Try with dept wildcarded *
         timeCollectionRule = getTimeCollectionRuleWildCarded("%", workArea, payType, asOfDate);
         if (timeCollectionRule != null) {
             return timeCollectionRule;
         }
 
         //Try with work area wildcarded
         timeCollectionRule = getTimeCollectionRuleWildCarded(dept, -1L, payType, asOfDate);
         if (timeCollectionRule != null) {
             return timeCollectionRule;
         }
 
         //Try with payType wildcarded
         timeCollectionRule = getTimeCollectionRuleWildCarded(dept, workArea, "%", asOfDate);
         if (timeCollectionRule != null) {
             return timeCollectionRule;
         }
 
         //Try with dept and workArea wildcarded
         timeCollectionRule = getTimeCollectionRuleWildCarded("%", -1L, payType, asOfDate);
         if (timeCollectionRule != null) {
             return timeCollectionRule;
         }
 
         //Try with dept and payType wildcarded
         timeCollectionRule = getTimeCollectionRuleWildCarded("%", workArea, "%", asOfDate);
         if (timeCollectionRule != null) {
             return timeCollectionRule;
         }
 
         //Try with workArea and payType wildcarded
         timeCollectionRule = getTimeCollectionRuleWildCarded(dept, -1L, "%", asOfDate);
         if (timeCollectionRule != null) {
             return timeCollectionRule;
         }
 
         //Try with everything wildcarded
         return getTimeCollectionRuleWildCarded("%", -1L, "%", asOfDate);
     }
 
     private TimeCollectionRule getTimeCollectionRuleWildCarded(String dept, Long workArea, String payType, Date asOfDate) {
         Criteria root = new Criteria();
 
         root.addEqualTo("dept", dept);
         root.addEqualTo("workArea", workArea);
         root.addEqualTo("payType", payType);
         root.addEqualTo("effectiveDate", OjbSubQueryUtil.getEffectiveDateSubQuery(TimeCollectionRule.class, asOfDate, EQUAL_TO_FIELDS, false));
         root.addEqualTo("timestamp", OjbSubQueryUtil.getTimestampSubQuery(TimeCollectionRule.class, EQUAL_TO_FIELDS, false));
 //		root.addEqualTo("active", true);
 
         Criteria activeFilter = new Criteria(); // Inner Join For Activity
         activeFilter.addEqualTo("active", true);
         root.addAndCriteria(activeFilter);
 
 
         Query query = QueryFactory.newQuery(TimeCollectionRule.class, root);
         return (TimeCollectionRule) this.getPersistenceBrokerTemplate().getObjectByQuery(query);
 
     }
 
 	@Override
     @SuppressWarnings("unchecked")
     public List<TimeCollectionRule> getTimeCollectionRules(String dept, Long workArea, String payType, String active, String showHistory) {
         List<TimeCollectionRule> results = new ArrayList<TimeCollectionRule>();
 
         Criteria root = new Criteria();
 
         if (StringUtils.isNotBlank(dept)) {
             root.addLike("dept", dept);
         }
 
         if (workArea != null) {
             root.addLike("workArea", workArea);
         }
         
         if (StringUtils.isNotBlank(payType)) {
             root.addLike("payType", payType);
         }
         
         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(TimeCollectionRule.class, EQUAL_TO_FIELDS, false));
             root.addEqualTo("timestamp", OjbSubQueryUtil.getTimestampSubQuery(TimeCollectionRule.class, EQUAL_TO_FIELDS, false));
         }
         
         Query query = QueryFactory.newQuery(TimeCollectionRule.class, root);
         results.addAll(getPersistenceBrokerTemplate().getCollectionByQuery(query));
 
         return results;
     }
 }