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

namespace qx
{
   namespace cvt
   {
      namespace detail
      {

         template <>
         struct QxConvert_FromJson<qx::trait::no_type>
         {
            static inline qx_bool fromJson(const QJsonValue &j, qx::trait::no_type &t, const QString &format)
            {
               Q_UNUSED(j);
               Q_UNUSED(t);
               Q_UNUSED(format);
               return qx_bool(true);
            }
         };

         template <>
         struct QxConvert_FromJson<bool>
         {
            static inline qx_bool fromJson(const QJsonValue &j, bool &t, const QString &format)
            {
               Q_UNUSED(format);
               t = j.toBool();
               return qx_bool(true);
            }
         };

         template <>
         struct QxConvert_FromJson<short>
         {
            static inline qx_bool fromJson(const QJsonValue &j, short &t, const QString &format)
            {
               Q_UNUSED(format);
               t = static_cast<short>(qRound(j.toDouble()));
               return qx_bool(true);
            }
         };

         template <>
         struct QxConvert_FromJson<int>
         {
            static inline qx_bool fromJson(const QJsonValue &j, int &t, const QString &format)
            {
               Q_UNUSED(format);
               t = qRound(j.toDouble());
               return qx_bool(true);
            }
         };

         template <>
         struct QxConvert_FromJson<long>
         {
            static inline qx_bool fromJson(const QJsonValue &j, long &t, const QString &format)
            {
               Q_UNUSED(format);
               t = static_cast<long>(qRound64(j.toDouble()));
               return qx_bool(true);
            }
         };

         template <>
         struct QxConvert_FromJson<long long>
         {
            static inline qx_bool fromJson(const QJsonValue &j, long long &t, const QString &format)
            {
               Q_UNUSED(format);
               t = static_cast<long long>(qRound64(j.toDouble()));
               return qx_bool(true);
            }
         };

         template <>
         struct QxConvert_FromJson<float>
         {
            static inline qx_bool fromJson(const QJsonValue &j, float &t, const QString &format)
            {
               Q_UNUSED(format);
               t = static_cast<float>(j.toDouble());
               return qx_bool(true);
            }
         };

         template <>
         struct QxConvert_FromJson<double>
         {
            static inline qx_bool fromJson(const QJsonValue &j, double &t, const QString &format)
            {
               Q_UNUSED(format);
               t = j.toDouble();
               return qx_bool(true);
            }
         };

         template <>
         struct QxConvert_FromJson<unsigned short>
         {
            static inline qx_bool fromJson(const QJsonValue &j, unsigned short &t, const QString &format)
            {
               Q_UNUSED(format);
               t = static_cast<unsigned short>(qRound(j.toDouble()));
               return qx_bool(true);
            }
         };

         template <>
         struct QxConvert_FromJson<unsigned int>
         {
            static inline qx_bool fromJson(const QJsonValue &j, unsigned int &t, const QString &format)
            {
               Q_UNUSED(format);
               t = static_cast<unsigned int>(qRound(j.toDouble()));
               return qx_bool(true);
            }
         };

         template <>
         struct QxConvert_FromJson<unsigned long>
         {
            static inline qx_bool fromJson(const QJsonValue &j, unsigned long &t, const QString &format)
            {
               Q_UNUSED(format);
               t = static_cast<unsigned long>(qRound64(j.toDouble()));
               return qx_bool(true);
            }
         };

         template <>
         struct QxConvert_FromJson<unsigned long long>
         {
            static inline qx_bool fromJson(const QJsonValue &j, unsigned long long &t, const QString &format)
            {
               Q_UNUSED(format);
               t = static_cast<unsigned long long>(qRound64(j.toDouble()));
               return qx_bool(true);
            }
         };

         template <>
         struct QxConvert_FromJson<QDateTime>
         {
            static inline qx_bool fromJson(const QJsonValue &j, QDateTime &t, const QString &format)
            {
#ifdef _QX_ENABLE_MONGODB
               if (j.isObject() && format.startsWith("mongodb"))
               {
                  QJsonObject obj = j.toObject();
                  QString dt;
                  if (obj.contains("$date"))
                  {
                     dt = obj.value("$date").toString();
                  }
                  if (!dt.isEmpty())
                  {
                     t = QDateTime::fromString(dt, QX_JSON_DATE_TIME_FORMAT);
                     return qx_bool(true);
                  }
               }
#endif // _QX_ENABLE_MONGODB

               Q_UNUSED(format);
               t = (j.isNull() ? QDateTime() : QDateTime::fromString(j.toString(), QX_JSON_DATE_TIME_FORMAT));
               return qx_bool(true);
            }
         };

         template <>
         struct QxConvert_FromJson<QDate>
         {
            static inline qx_bool fromJson(const QJsonValue &j, QDate &t, const QString &format)
            {
#ifdef _QX_ENABLE_MONGODB
               if (j.isObject() && format.startsWith("mongodb"))
               {
                  QDateTime dt;
                  QxConvert_FromJson<QDateTime>::fromJson(j, dt, format);
                  t = dt.date();
                  return qx_bool(true);
               }
#endif // _QX_ENABLE_MONGODB

               Q_UNUSED(format);
               t = (j.isNull() ? QDate() : QDate::fromString(j.toString(), Qt::ISODate));
               return qx_bool(true);
            }
         };

         template <>
         struct QxConvert_FromJson<QTime>
         {
            static inline qx_bool fromJson(const QJsonValue &j, QTime &t, const QString &format)
            {
               Q_UNUSED(format);
               t = (j.isNull() ? QTime() : QTime::fromString(j.toString(), QX_JSON_DATE_TIME_FORMAT));
               return qx_bool(true);
            }
         };

         template <>
         struct QxConvert_FromJson<QByteArray>
         {
            static inline qx_bool fromJson(const QJsonValue &j, QByteArray &t, const QString &format)
            {
               Q_UNUSED(format);
               t = QByteArray::fromBase64(j.toString().toLatin1());
               return qx_bool(true);
            }
         };

         template <>
         struct QxConvert_FromJson<QString>
         {
            static inline qx_bool fromJson(const QJsonValue &j, QString &t, const QString &format)
            {
               Q_UNUSED(format);
               t = j.toString();

#ifdef _QX_ENABLE_MONGODB
               if (t.isEmpty() && j.isObject() && format.startsWith("mongodb"))
               {
                  QJsonObject obj = j.toObject();
                  if (obj.contains("$oid"))
                  {
                     t = obj.value("$oid").toString();
                  }
                  if (!t.isEmpty())
                  {
                     t = "qx_oid:" + t;
                  }
               }
#endif // _QX_ENABLE_MONGODB

               return qx_bool(true);
            }
         };

         template <>
         struct QxConvert_FromJson<QVariant>
         {
            static inline qx_bool fromJson(const QJsonValue &j, QVariant &t, const QString &format)
            {
               Q_UNUSED(format);
               t = j.toVariant();
               return qx_bool(true);
            }
         };

         template <>
         struct QxConvert_FromJson<QUuid>
         {
            static inline qx_bool fromJson(const QJsonValue &j, QUuid &t, const QString &format)
            {
               Q_UNUSED(format);
               t = QUuid(j.toString());
               return qx_bool(true);
            }
         };

         template <>
         struct QxConvert_FromJson<qx::QxDateNeutral>
         {
            static inline qx_bool fromJson(const QJsonValue &j, qx::QxDateNeutral &t, const QString &format)
            {
               Q_UNUSED(format);
               t = qx::QxDateNeutral::fromNeutral(j.toString());
               return qx_bool(true);
            }
         };

         template <>
         struct QxConvert_FromJson<qx::QxTimeNeutral>
         {
            static inline qx_bool fromJson(const QJsonValue &j, qx::QxTimeNeutral &t, const QString &format)
            {
               Q_UNUSED(format);
               t = qx::QxTimeNeutral::fromNeutral(j.toString());
               return qx_bool(true);
            }
         };

         template <>
         struct QxConvert_FromJson<qx::QxDateTimeNeutral>
         {
            static inline qx_bool fromJson(const QJsonValue &j, qx::QxDateTimeNeutral &t, const QString &format)
            {
               Q_UNUSED(format);
               t = qx::QxDateTimeNeutral::fromNeutral(j.toString());
               return qx_bool(true);
            }
         };

         template <>
         struct QxConvert_FromJson<std::string>
         {
            static inline qx_bool fromJson(const QJsonValue &j, std::string &t, const QString &format)
#ifndef QT_NO_STL
            {
               Q_UNUSED(format);
               t = j.toString().toStdString();
               return qx_bool(true);
            }
         };
#else  // QT_NO_STL
            {
               Q_UNUSED(format);
               t = j.toString().toLatin1().constData();
               return qx_bool(true);
            }
         };
#endif // QT_NO_STL

         template <>
         struct QxConvert_FromJson<std::wstring>
         {
            static inline qx_bool fromJson(const QJsonValue &j, std::wstring &t, const QString &format)
#if ((!defined(QT_NO_STL)) && (!defined(QT_NO_STL_WCHAR)))
            {
               Q_UNUSED(format);
               t = j.toString().toStdWString();
               return qx_bool(true);
            }
         };
#else  // ((! defined(QT_NO_STL)) && (! defined(QT_NO_STL_WCHAR)))
            {
               Q_UNUSED(format);
               Q_UNUSED(t);
               Q_UNUSED(j);
               qAssert(false); /* Need STL compatibility ! */
               return qx_bool(true);
            }
         };
#endif // ((! defined(QT_NO_STL)) && (! defined(QT_NO_STL_WCHAR)))

         template <>
         struct QxConvert_FromJson<qx_bool>
         {
            static inline qx_bool fromJson(const QJsonValue &j, qx_bool &t, const QString &format)
            {
               Q_UNUSED(format);
               t = qx_bool();
               if (j.isObject())
               {
                  QJsonObject obj = j.toObject();
                  t.setValue(obj["value"].toBool());
                  t.setCode(static_cast<long>(qRound64(obj["code"].toDouble())));
                  t.setDesc(obj["desc"].toString());
               }
               return qx_bool(true);
            }
         };

#ifdef _QX_ENABLE_BOOST

         template <typename T>
         struct QxConvert_FromJson<boost::optional<T>>
         {
            static inline qx_bool fromJson(const QJsonValue &j, boost::optional<T> &t, const QString &format)
            {
               if (j.isNull())
               {
                  t = boost::none;
                  return qx_bool(true);
               }
               else if (!t)
               {
                  t = T();
               }
               return qx::cvt::from_json(j, (*t), format);
            }
         };

#endif // _QX_ENABLE_BOOST

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

#endif // _QX_NO_JSON