/****************************************************************************
**
** 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_NO_JSON
#ifdef _QX_ENABLE_BOOST
#ifndef _QX_SERIALIZE_QJSON_BOOST_UNORDERED_MAP_H_
#define _QX_SERIALIZE_QJSON_BOOST_UNORDERED_MAP_H_

#ifdef _MSC_VER
#pragma once
#endif

/*!
 * \file QxSerializeQJson_boost_unordered_map.h
 * \author XDL Team
 * \ingroup QxSerialize
 * \brief Provide a Qt QJson serialization method (save/load) for type boost::unordered_map<Key, Value> and boost::unordered_multimap<Key, Value>
 */

#include <QtCore/qjsonvalue.h>
#include <QtCore/qjsonobject.h>
#include <QtCore/qjsonarray.h>

#include <QxConvert/QxConvert.h>
#include <QxConvert/QxConvert_Impl.h>

namespace qx
{
   namespace cvt
   {
      namespace detail
      {

         template <typename Key, typename Value>
         struct QxConvert_ToJson<boost::unordered_map<Key, Value>>
         {
            static inline QJsonValue toJson(const boost::unordered_map<Key, Value> &t, const QString &format)
            {
               typedef typename boost::unordered_map<Key, Value>::const_iterator type_itr;
               QJsonArray arr;
               QJsonValue val;

               for (type_itr itr = t.begin(); itr != t.end(); ++itr)
               {
                  QJsonObject obj;
                  val = qx::cvt::to_json(itr->first, format);
                  obj.insert("key", val);
                  val = qx::cvt::to_json(itr->second, format);
                  obj.insert("value", val);
                  arr.append(obj);
               }

               return QJsonValue(arr);
            }
         };

         template <typename Key, typename Value>
         struct QxConvert_FromJson<boost::unordered_map<Key, Value>>
         {
            static inline qx_bool fromJson(const QJsonValue &j, boost::unordered_map<Key, Value> &t, const QString &format)
            {
               t.clear();
               if (!j.isArray())
               {
                  return qx_bool(true);
               }
               QJsonArray arr = j.toArray();
               QJsonValue val;
               QJsonObject obj;
               t.reserve(static_cast<typename boost::unordered_map<Key, Value>::size_type>(arr.count()));

               for (int i = 0; i < arr.count(); i++)
               {
                  val = arr.at(i);
                  if (!val.isObject())
                  {
                     continue;
                  }
                  obj = val.toObject();
                  Key key;
                  Value value;
                  qx::cvt::from_json(obj.value("key"), key, format);
                  qx::cvt::from_json(obj.value("value"), value, format);
                  t.insert(std::make_pair(key, value));
               }

               return qx_bool(true);
            }
         };

         template <typename Key, typename Value>
         struct QxConvert_ToJson<boost::unordered_multimap<Key, Value>>
         {
            static inline QJsonValue toJson(const boost::unordered_multimap<Key, Value> &t, const QString &format)
            {
               typedef typename boost::unordered_multimap<Key, Value>::const_iterator type_itr;
               QJsonArray arr;
               QJsonValue val;

               for (type_itr itr = t.begin(); itr != t.end(); ++itr)
               {
                  QJsonObject obj;
                  val = qx::cvt::to_json(itr->first, format);
                  obj.insert("key", val);
                  val = qx::cvt::to_json(itr->second, format);
                  obj.insert("value", val);
                  arr.append(obj);
               }

               return QJsonValue(arr);
            }
         };

         template <typename Key, typename Value>
         struct QxConvert_FromJson<boost::unordered_multimap<Key, Value>>
         {
            static inline qx_bool fromJson(const QJsonValue &j, boost::unordered_multimap<Key, Value> &t, const QString &format)
            {
               t.clear();
               if (!j.isArray())
               {
                  return qx_bool(true);
               }
               QJsonArray arr = j.toArray();
               QJsonValue val;
               QJsonObject obj;
               t.reserve(static_cast<typename boost::unordered_multimap<Key, Value>::size_type>(arr.count()));

               for (int i = 0; i < arr.count(); i++)
               {
                  val = arr.at(i);
                  if (!val.isObject())
                  {
                     continue;
                  }
                  obj = val.toObject();
                  Key key;
                  Value value;
                  qx::cvt::from_json(obj.value("key"), key, format);
                  qx::cvt::from_json(obj.value("value"), value, format);
                  t.insert(std::make_pair(key, value));
               }

               return qx_bool(true);
            }
         };

         template <typename Value>
         struct QxConvert_ToJson<boost::unordered_map<QString, Value>>
         {
            static inline QJsonValue toJson(const boost::unordered_map<QString, Value> &t, const QString &format)
            {
               typedef typename boost::unordered_map<QString, Value>::const_iterator type_itr;
               QJsonObject obj;
               QJsonValue val;

               for (type_itr itr = t.begin(); itr != t.end(); ++itr)
               {
                  val = qx::cvt::to_json(itr->second, format);
                  obj.insert(itr->first, val);
               }

               return QJsonValue(obj);
            }
         };

         template <typename Value>
         struct QxConvert_FromJson<boost::unordered_map<QString, Value>>
         {
            static inline qx_bool fromJson(const QJsonValue &j, boost::unordered_map<QString, Value> &t, const QString &format)
            {
               t.clear();
               if (!j.isObject())
               {
                  return qx_bool(true);
               }
               QJsonObject obj = j.toObject();
               QJsonValue val;
               t.reserve(static_cast<typename boost::unordered_map<QString, Value>::size_type>(obj.count()));

               for (QJsonObject::const_iterator itr = obj.constBegin(); itr != obj.constEnd(); ++itr)
               {
                  QString key = itr.key();
                  Value value;
                  qx::cvt::from_json(itr.value(), value, format);
                  t.insert(std::make_pair(key, value));
               }

               return qx_bool(true);
            }
         };

         template <typename Value>
         struct QxConvert_ToJson<boost::unordered_map<std::string, Value>>
         {
            static inline QJsonValue toJson(const boost::unordered_map<std::string, Value> &t, const QString &format)
            {
               typedef typename boost::unordered_map<std::string, Value>::const_iterator type_itr;
               QJsonObject obj;
               QJsonValue val;

               for (type_itr itr = t.begin(); itr != t.end(); ++itr)
               {
#ifndef QT_NO_STL
                  QString key = QString::fromStdString(itr->first);
#else  // QT_NO_STL
                  QString key = QString::fromLatin1(itr->first.data(), int(itr->first.size()));
#endif // QT_NO_STL

                  val = qx::cvt::to_json(itr->second, format);
                  obj.insert(key, val);
               }

               return QJsonValue(obj);
            }
         };

         template <typename Value>
         struct QxConvert_FromJson<boost::unordered_map<std::string, Value>>
         {
            static inline qx_bool fromJson(const QJsonValue &j, boost::unordered_map<std::string, Value> &t, const QString &format)
            {
               t.clear();
               if (!j.isObject())
               {
                  return qx_bool(true);
               }
               QJsonObject obj = j.toObject();
               QJsonValue val;
               t.reserve(static_cast<typename boost::unordered_map<std::string, Value>::size_type>(obj.count()));

               for (QJsonObject::const_iterator itr = obj.constBegin(); itr != obj.constEnd(); ++itr)
               {
                  QString key = itr.key();
                  Value value;
                  qx::cvt::from_json(itr.value(), value, format);

#ifndef QT_NO_STL
                  std::string s = key.toStdString();
#else  // QT_NO_STL
                  std::string s = key.toLatin1().constData();
#endif // QT_NO_STL

                  t.insert(std::make_pair(s, value));
               }

               return qx_bool(true);
            }
         };

#if ((!defined(QT_NO_STL)) && (!defined(QT_NO_STL_WCHAR)))

         template <typename Value>
         struct QxConvert_ToJson<boost::unordered_map<std::wstring, Value>>
         {
            static inline QJsonValue toJson(const boost::unordered_map<std::wstring, Value> &t, const QString &format)
            {
               typedef typename boost::unordered_map<std::wstring, Value>::const_iterator type_itr;
               QJsonObject obj;
               QJsonValue val;

               for (type_itr itr = t.begin(); itr != t.end(); ++itr)
               {
                  val = qx::cvt::to_json(itr->second, format);
                  obj.insert(QString::fromStdWString(itr->first), val);
               }

               return QJsonValue(obj);
            }
         };

         template <typename Value>
         struct QxConvert_FromJson<boost::unordered_map<std::wstring, Value>>
         {
            static inline qx_bool fromJson(const QJsonValue &j, boost::unordered_map<std::wstring, Value> &t, const QString &format)
            {
               t.clear();
               if (!j.isObject())
               {
                  return qx_bool(true);
               }
               QJsonObject obj = j.toObject();
               QJsonValue val;
               t.reserve(static_cast<typename boost::unordered_map<std::wstring, Value>::size_type>(obj.count()));

               for (QJsonObject::const_iterator itr = obj.constBegin(); itr != obj.constEnd(); ++itr)
               {
                  QString key = itr.key();
                  Value value;
                  qx::cvt::from_json(itr.value(), value, format);
                  t.insert(std::make_pair(key.toStdWString(), value));
               }

               return qx_bool(true);
            }
         };

#endif // ((! defined(QT_NO_STL)) && (! defined(QT_NO_STL_WCHAR)))

      } // namespace detail
   } // namespace cvt
} // namespace qx

#endif // _QX_SERIALIZE_QJSON_BOOST_UNORDERED_MAP_H_
#endif // _QX_ENABLE_BOOST
#endif // _QX_NO_JSON
