/****************************************************************************
**
** https://www.qxorm.com/
** Copyright (C) 2013 XDL Team (ic-east.com)
**
** This file is part of the QxOrm library
**
** This software is provided 'as-is', without any express or implied
** warranty. In no event will the authors be held liable for any
** damages arising from the use of this software
**
** Commercial Usage
** Licensees holding valid commercial QxOrm licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and XDL Team
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3.0 as published by the Free Software
** Foundation and appearing in the file 'license.gpl3.txt' included in the
** packaging of this file. Please review the following information to
** ensure the GNU General Public License version 3.0 requirements will be
** met : http://www.gnu.org/copyleft/gpl.html
**
** If you are unsure which license is appropriate for your use, or
** if you have questions regarding the use of this file, please contact :
** ic-east.com
**
****************************************************************************/

#include <QxPrecompiled.h>

#include <QxDao/QxSqlElement/QxSqlIn.h>

#include <QxDao/QxSqlDatabase.h>

#include <QxMemLeak/mem_leak.h>

namespace qx
{
   namespace dao
   {
      namespace detail
      {

         QxSqlIn::QxSqlIn() : IxSqlElement(0), m_type(QxSqlIn::_in) { ; }

         QxSqlIn::QxSqlIn(int index, QxSqlIn::type t) : IxSqlElement(index), m_type(t) { ; }

         QxSqlIn::~QxSqlIn() { ; }

         IxSqlElement::type_class QxSqlIn::getTypeClass() const { return IxSqlElement::_sql_in; }

         QString QxSqlIn::toString() const
         {
            qAssert((m_lstColumns.count() == 1) && (m_lstKeys.count() == 1) && (m_lstValues.count() >= 1));
            QString sReturn, sColumn(m_lstColumns.at(0)), sKey(m_lstKeys.at(0));
            bool bQuestionMark = (qx::QxSqlDatabase::getSingleton()->getSqlPlaceHolderStyle() == qx::QxSqlDatabase::ph_style_question_mark);
            qAssert(!sColumn.isEmpty() && !sKey.isEmpty());

            switch (m_type)
            {
            case _in:
               sReturn = sColumn + " IN (";
               break;
            case _not_in:
               sReturn = sColumn + " NOT IN (";
               break;
            case _in_select:
               sReturn = sColumn + " IN (";
               break;
            case _not_in_select:
               sReturn = sColumn + " NOT IN (";
               break;
            default:
               qAssert(false);
            }

            for (int i = 0; i < m_lstValues.count(); i++)
            {
               if ((m_type == _in_select) || (m_type == _not_in_select))
               {
                  sReturn += m_lstValues.at(i).toString();
                  continue;
               }
               QString sCurrKey = (bQuestionMark ? QString("?") : (sKey + QString("_") + QString::number(i)));
               sReturn += ((i == 0) ? QString("") : QString(", "));
               sReturn += sCurrKey;
            }

            sReturn += QString(")");
            return sReturn;
         }

         void QxSqlIn::resolve(QSqlQuery &query, qx::QxCollection<QString, QVariantList> *pLstExecBatch /* = NULL */) const
         {
            if ((m_type == _in_select) || (m_type == _not_in_select))
            {
               return;
            }
            qAssert((m_lstKeys.count() == 1) && (m_lstValues.count() >= 1));
            bool bQuestionMark = (qx::QxSqlDatabase::getSingleton()->getSqlPlaceHolderStyle() == qx::QxSqlDatabase::ph_style_question_mark);
            QString sKey(m_lstKeys.at(0));

            for (int i = 0; i < m_lstValues.count(); i++)
            {
               QString sCurrKey = (sKey + QString("_") + QString::number(i));
               QVariant vValue(m_lstValues.at(i));
               if (pLstExecBatch)
               {
                  if (!pLstExecBatch->exist(sCurrKey))
                  {
                     QVariantList empty;
                     pLstExecBatch->insert(sCurrKey, empty);
                  }
                  QVariantList &values = const_cast<QVariantList &>(pLstExecBatch->getByKey(sCurrKey));
                  values.append(vValue);
               }
               else
               {
                  if (bQuestionMark)
                  {
                     query.addBindValue(vValue);
                  }
                  else
                  {
                     query.bindValue(sCurrKey, vValue);
                  }
               }
            }
         }

         void QxSqlIn::postProcess(QString &sql) const { Q_UNUSED(sql); }

         QString QxSqlIn::getExtraSettings() const { return QString::number(static_cast<int>(m_type)); }

         void QxSqlIn::setExtraSettings(const QString &s) { m_type = static_cast<QxSqlIn::type>(s.toInt()); }

      } // namespace detail
   } // namespace dao
} // namespace qx
