/****************************************************************************
**
** 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
**
****************************************************************************/

#ifndef _QX_DATA_MEMBER_H_
#define _QX_DATA_MEMBER_H_

#ifdef _MSC_VER
#pragma once
#endif

/*!
 * \file QxDataMember.h
 * \author XDL Team
 * \ingroup QxDataMember
 * \brief Concrete class property registered into QxOrm context
 */

#ifdef _QX_ENABLE_BOOST_SERIALIZATION
#include <boost/serialization/serialization.hpp>
#include <boost/serialization/nvp.hpp>
#endif // _QX_ENABLE_BOOST_SERIALIZATION

#include <QxDataMember/IxDataMember.h>

#include <QxTraits/is_equal.h>
#include <QxTraits/get_class_name.h>

#define QX_DATA_MEMBER_IMPL_VIRTUAL_ARCHIVE(ArchiveInput, ArchiveOutput)                                                               \
   virtual void toArchive(const void *pOwner, ArchiveOutput &ar) const { QxDataMember::toArchive(ar, getNamePtr(), getData(pOwner)); } \
   virtual void fromArchive(void *pOwner, ArchiveInput &ar) { QxDataMember::fromArchive(ar, getNamePtr(), getData(pOwner)); }

namespace qx
{

   /*!
    * \ingroup QxDataMember
    * \brief qx::QxDataMember<DataType, Owner> : concrete property of type DataType registered into QxOrm context for the class Owner
    */
   template <typename DataType, class Owner>
   class QxDataMember : public IxDataMember
   {

   protected:
      typedef DataType Owner::*type_data_member_ptr;

      type_data_member_ptr m_pData; //!< Data member under format "& Owner::DataMember"
      IxDataMember *m_pImpl_;       //!< If not NULL then this data member is owned by a private implementation idiom instance

   public:
      QxDataMember(type_data_member_ptr pData, const QString &sKey, long lVersion, bool bSerialize, bool bDao, IxDataMember *pImpl = NULL) : IxDataMember(sKey, lVersion, bSerialize, bDao, pImpl), m_pData(pData), m_pImpl_(pImpl) { this->setAccessDataPointer(true); }
      virtual ~QxDataMember() { ; }

      inline DataType *getData(void *pOwner) const
      {
         void *pOwner_ = (m_pImpl_ ? m_pImpl_->getDataVoidPtr(pOwner) : pOwner);
         return (pOwner_ ? (&((static_cast<Owner *>(pOwner_))->*m_pData)) : NULL);
      }
      inline const DataType *getData(const void *pOwner) const
      {
         const void *pOwner_ = (m_pImpl_ ? m_pImpl_->getDataVoidPtr(pOwner) : pOwner);
         return (pOwner_ ? (&((static_cast<const Owner *>(pOwner_))->*m_pData)) : NULL);
      }

      virtual QVariant toVariant(const void *pOwner, const QString &sFormat, int iIndexName = -1, qx::cvt::context::ctx_type ctx = qx::cvt::context::e_no_context) const { return qx::cvt::to_variant((*getData(pOwner)), sFormat, iIndexName, ctx); }
      virtual qx_bool fromVariant(void *pOwner, const QVariant &v, const QString &sFormat, int iIndexName = -1, qx::cvt::context::ctx_type ctx = qx::cvt::context::e_no_context) { return qx::cvt::from_variant(v, (*getData(pOwner)), sFormat, iIndexName, ctx); }
      virtual QString getType() const
      {
         QMutexLocker locker(&IxDataMember::m_mutex);
         return QString(qx::trait::get_class_name<DataType>::get());
      }

#ifndef _QX_NO_JSON
      virtual QJsonValue toJson(const void *pOwner, const QString &sFormat) const { return qx::cvt::to_json((*getData(pOwner)), sFormat); }
      virtual qx_bool fromJson(void *pOwner, const QJsonValue &j, const QString &sFormat) { return qx::cvt::from_json(j, (*getData(pOwner)), sFormat); }
#endif // _QX_NO_JSON

      virtual bool isEqual(const void *pOwner1, const void *pOwner2) const
      {
         if ((pOwner1 == NULL) || (pOwner2 == NULL))
         {
            return false;
         }
         if (pOwner1 == pOwner2)
         {
            return true;
         }
         return qxCompareDataMember<qx::trait::has_operator_equal_equal<DataType>::value, 0>::isEqual((*this), pOwner1, pOwner2);
      }

   protected:
      virtual qx::any getDataPtr(const void *pOwner) const { return qx::any(getData(pOwner)); }
      virtual qx::any getDataPtr(void *pOwner) { return qx::any(getData(pOwner)); }
      virtual void *getDataVoidPtr(const void *pOwner) const { return static_cast<void *>(const_cast<DataType *>(getData(pOwner))); }
      virtual void *getDataVoidPtr(void *pOwner) { return static_cast<void *>(getData(pOwner)); }

   public:
#ifdef _QX_ENABLE_BOOST_SERIALIZATION

#if _QX_SERIALIZE_POLYMORPHIC
      QX_DATA_MEMBER_IMPL_VIRTUAL_ARCHIVE(boost::archive::polymorphic_iarchive, boost::archive::polymorphic_oarchive)
#endif // _QX_SERIALIZE_POLYMORPHIC

#if _QX_SERIALIZE_BINARY
      QX_DATA_MEMBER_IMPL_VIRTUAL_ARCHIVE(boost::archive::binary_iarchive, boost::archive::binary_oarchive)
#endif // _QX_SERIALIZE_BINARY

#if _QX_SERIALIZE_TEXT
      QX_DATA_MEMBER_IMPL_VIRTUAL_ARCHIVE(boost::archive::text_iarchive, boost::archive::text_oarchive)
#endif // _QX_SERIALIZE_TEXT

#if _QX_SERIALIZE_XML
      QX_DATA_MEMBER_IMPL_VIRTUAL_ARCHIVE(boost::archive::xml_iarchive, boost::archive::xml_oarchive)
#endif // _QX_SERIALIZE_XML

#if _QX_SERIALIZE_PORTABLE_BINARY
      QX_DATA_MEMBER_IMPL_VIRTUAL_ARCHIVE(eos::portable_iarchive, eos::portable_oarchive)
#endif // _QX_SERIALIZE_PORTABLE_BINARY

#if _QX_SERIALIZE_WIDE_BINARY
      QX_DATA_MEMBER_IMPL_VIRTUAL_ARCHIVE(boost::archive::binary_wiarchive, boost::archive::binary_woarchive)
#endif // _QX_SERIALIZE_WIDE_BINARY

#if _QX_SERIALIZE_WIDE_TEXT
      QX_DATA_MEMBER_IMPL_VIRTUAL_ARCHIVE(boost::archive::text_wiarchive, boost::archive::text_woarchive)
#endif // _QX_SERIALIZE_WIDE_TEXT

#if _QX_SERIALIZE_WIDE_XML
      QX_DATA_MEMBER_IMPL_VIRTUAL_ARCHIVE(boost::archive::xml_wiarchive, boost::archive::xml_woarchive)
#endif // _QX_SERIALIZE_WIDE_XML

#endif // _QX_ENABLE_BOOST_SERIALIZATION

   private:
#ifdef _QX_ENABLE_BOOST_SERIALIZATION

      template <class Archive>
      static inline void toArchive(Archive &ar, const char *sName, const DataType *pData)
      {
         ar << boost::serialization::make_nvp(sName, (*pData));
      }

      template <class Archive>
      static inline void fromArchive(Archive &ar, const char *sName, DataType *pData)
      {
         ar >> boost::serialization::make_nvp(sName, (*pData));
      }

#endif // _QX_ENABLE_BOOST_SERIALIZATION

   private:
      template <bool bCanCompare /* = false */, int dummy>
      struct qxCompareDataMember
      {
         static inline bool isEqual(const QxDataMember<DataType, Owner> &dataMember, const void *pOwner1, const void *pOwner2)
         {
            return (dataMember.toVariant(pOwner1, "") == dataMember.toVariant(pOwner2, ""));
         }
      };

      template <int dummy>
      struct qxCompareDataMember<true, dummy>
      {
         static inline bool isEqual(const QxDataMember<DataType, Owner> &dataMember, const void *pOwner1, const void *pOwner2)
         {
            return ((*dataMember.getData(pOwner1)) == (*dataMember.getData(pOwner2)));
         }
      };
   };

} // namespace qx

#include "../../inl/QxDataMember/QxDataMember.inl"

#endif // _QX_DATA_MEMBER_H_