/*
    * Copyright (c) 2002-2018, Mairie de Paris
    * All rights reserved.
    *
    * Redistribution and use in source and binary forms, with or without
    * modification, are permitted provided that the following conditions
    * are met:
    *
    *  1. Redistributions of source code must retain the above copyright notice
   *     and the following disclaimer.
   *
   *  2. Redistributions in binary form must reproduce the above copyright notice
   *     and the following disclaimer in the documentation and/or other materials
   *     provided with the distribution.
   *
   *  3. Neither the name of 'Mairie de Paris' nor 'Lutece' nor the names of its
   *     contributors may be used to endorse or promote products derived from
   *     this software without specific prior written permission.
   *
   * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
   * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE
   * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
   * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
   * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
   * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
   * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
   * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
   * POSSIBILITY OF SUCH DAMAGE.
   *
   * License 1.0
   */
  package fr.paris.lutece.plugins.stock.modules.tickets.business;
  
  import fr.paris.lutece.plugins.stock.commons.dao.AbstractStockDAO;
  import fr.paris.lutece.plugins.stock.modules.tickets.service.TicketsPlugin;
  
  import java.math.BigInteger;
  
  import java.sql.Timestamp;
  
  import java.util.ArrayList;
  import java.util.Calendar;
  import java.util.GregorianCalendar;
  import java.util.List;
  
  import javax.persistence.EntityManager;
  import javax.persistence.Query;
  import javax.persistence.TypedQuery;
  import javax.persistence.criteria.CriteriaBuilder;
  import javax.persistence.criteria.CriteriaQuery;
  import javax.persistence.criteria.Predicate;
  import javax.persistence.criteria.Root;
  
  /**
   * This class provides Data Access methods for Person objects
   */
  public final class PurchaseStatisticDAO extends AbstractStockDAO<Integer, PurchaseStatistic> implements IPurchaseStatisticDAO
  {
      /**
       *
       * {@inheritDoc}
       */
      @Override
      public String getPluginName( )
      {
          return TicketsPlugin.PLUGIN_NAME;
      }
  
      /**
       * {@inheritDoc}
       */
      public List<PurchaseStatistic> getAllByIdPurchase( Integer idPurchase )
      {
          EntityManager em = getEM( );
          CriteriaBuilder cb = em.getCriteriaBuilder( );
  
          CriteriaQuery<PurchaseStatistic> cq = cb.createQuery( PurchaseStatistic.class );
  
          Root<PurchaseStatistic> root = cq.from( PurchaseStatistic.class );
  
          // predicates list
          List<Predicate> listPredicates = new ArrayList<Predicate>( );
  
          if ( idPurchase != null )
          {
              listPredicates.add( cb.equal( root.get( PurchaseStatistic_.purchase ), idPurchase ) );
          }
  
          if ( !listPredicates.isEmpty( ) )
          {
              // add existing predicates to Where clause
              cq.where( listPredicates.toArray( new Predicate [ 0] ) );
          }
  
          // buildSortQuery( filter, root, cq, cb );
          cq.distinct( true );
  
         TypedQuery<PurchaseStatistic> query = em.createQuery( cq );
 
         return query.getResultList( );
     }
 
     /**
      * {@inheritDoc}
      */
     public List<ResultStatistic> getAllResultStatisticByParameters( String strTimesUnit, String strDateDebut, String strDateFin )
     {
         StringBuffer requeteSQL = new StringBuffer( );
 
         requeteSQL.append( "SELECT count(distinct purchase_statistic.purchase_id_purchase) AS compteur, purchase_statistic." );
 
         if ( strTimesUnit.equals( "0" ) )
         {
             requeteSQL.append( "dayOfYear" );
         }
         else
             if ( strTimesUnit.equals( "1" ) )
             {
                 requeteSQL.append( "week" );
             }
             else
             {
                 requeteSQL.append( "month" );
             }
 
         requeteSQL.append( ",purchase_statistic.year FROM stock_ticket_purchase_statistic AS purchase_statistic" );
 
         Boolean isFirstCondition = Boolean.TRUE;
 
         if ( ( strDateDebut != null ) && !strDateDebut.equals( "" ) )
         {
             requeteSQL.append( " WHERE purchase_statistic.date >= CAST('" + strDateDebut + " 00:00:00' AS DATETIME)" );
             isFirstCondition = Boolean.FALSE;
         }
 
         if ( ( strDateFin != null ) && !strDateFin.equals( "" ) )
         {
             if ( isFirstCondition )
             {
                 requeteSQL.append( " WHERE" );
             }
             else
             {
                 requeteSQL.append( " AND" );
             }
 
             requeteSQL.append( " purchase_statistic.date <= CAST('" + strDateFin + " 23:59:59' AS DATETIME)" );
         }
 
         requeteSQL.append( " GROUP BY purchase_statistic." );
 
         if ( strTimesUnit.equals( "0" ) )
         {
             requeteSQL.append( "dayOfYear" );
         }
         else
             if ( strTimesUnit.equals( "1" ) )
             {
                 requeteSQL.append( "week" );
             }
             else
             {
                 requeteSQL.append( "month" );
             }
 
         requeteSQL.append( ", purchase_statistic.year" );
 
         Query query = getEM( ).createNativeQuery( requeteSQL.toString( ) );
 
         List<Object> listeResultat = query.getResultList( );
 
         List<ResultStatistic> listeResultStatistic = new ArrayList<ResultStatistic>( );
 
         if ( listeResultat.size( ) > 0 )
         {
             for ( Object ligneResultat : listeResultat )
             {
                 Object [ ] listeAttributs = (Object [ ]) ligneResultat;
 
                 if ( ( listeAttributs [0] != null ) && ( listeAttributs [1] != null ) && ( listeAttributs [2] != null ) )
                 {
                     ResultStatistic resultStatistic = new ResultStatistic( );
                     resultStatistic.setNumberResponse( Integer.decode( listeAttributs [0].toString( ) ) );
 
                     Calendar calendar = new GregorianCalendar( );
 
                     int nTimesUnit;
 
                     if ( strTimesUnit.equals( "0" ) )
                     {
                         nTimesUnit = Calendar.DAY_OF_YEAR;
                     }
                     else
                         if ( strTimesUnit.equals( "1" ) )
                         {
                             nTimesUnit = Calendar.WEEK_OF_YEAR;
                         }
                         else
                         {
                             nTimesUnit = Calendar.MONTH;
                         }
 
                     calendar.set( nTimesUnit, Integer.decode( listeAttributs [1].toString( ) ) );
                     calendar.set( Calendar.YEAR, Integer.decode( listeAttributs [2].toString( ) ) );
                     resultStatistic.setStatisticDate( new Timestamp( calendar.getTimeInMillis( ) ) );
 
                     listeResultStatistic.add( resultStatistic );
                 }
             }
         }
 
         return listeResultStatistic;
     }
 
     /**
      * {@inheritDoc}
      */
     public Integer getCountPurchasesByDates( String strDateDebut, String strDateFin )
     {
         Integer result = 0;
         StringBuffer requeteSQL = new StringBuffer( );
 
         requeteSQL.append( "SELECT count( distinct purchase_statistic.purchase_id_purchase)  " );
         requeteSQL.append( " FROM stock_ticket_purchase_statistic AS purchase_statistic" );
 
         Boolean isFirstCondition = Boolean.TRUE;
 
         if ( ( strDateDebut != null ) && !strDateDebut.equals( "" ) )
         {
             requeteSQL.append( " WHERE purchase_statistic.date >= CAST('" + strDateDebut + " 00:00:00' AS DATETIME)" );
             isFirstCondition = Boolean.FALSE;
         }
 
         if ( ( strDateFin != null ) && !strDateFin.equals( "" ) )
         {
             if ( isFirstCondition )
             {
                 requeteSQL.append( " WHERE" );
             }
             else
             {
                 requeteSQL.append( " AND" );
             }
 
             requeteSQL.append( " purchase_statistic.date <= CAST('" + strDateFin + " 23:59:59' AS DATETIME)" );
         }
 
         Query query = getEM( ).createNativeQuery( requeteSQL.toString( ) );
         List<Object> listeCount = query.getResultList( );
 
         if ( listeCount.size( ) == 1 )
         {
             Object obj = listeCount.get( 0 );
 
             if ( obj != null )
             {
                 BigInteger bigInt = (BigInteger) obj;
                 result = bigInt.intValue( );
             }
         }
 
         return result;
     }
 }