/* Copyright (C) 2013
 * swift project Community / Contributors
 *
 * This file is part of swift project. It is subject to the license terms in the LICENSE file found in the top-level
 * directory of this distribution and at http://www.swift-project.org/license.html. No part of swift project,
 * including this file, may be copied, modified, propagated, or distributed except according to the terms
 * contained in the LICENSE file.
 */

//! \file

#ifndef BLACKMISC_PQ_UNITS_H
#define BLACKMISC_PQ_UNITS_H

#pragma push_macro("min")
#undef min

#include "blackmisc/blackmiscexport.h"
#include "blackmisc/dbus.h"
#include "blackmisc/pq/measurementunit.h"
#include "blackmisc/propertyindexvariantmap.h"
#include "blackmisc/variant.h"

#include <math.h>
#include <QDBusArgument>
#include <QList>
#include <QMetaType>
#include <QString>
#include <QtGlobal>
#include <cstddef>

//
// Used with the template for quantities. This is the reason for
// having all units in one file, since template requires concrete instantiations
//
// I18N: http://qt-project.org/doc/qt-4.8/linguist-programmers.html#translating-text-that-is-outside-of-a-qobject-subclass
//
namespace BlackMisc
{
    namespace PhysicalQuantities
    {

        //! Specialized class for distance units (meter, foot, nautical miles).
        class BLACKMISC_EXPORT CLengthUnit :
            public CMeasurementUnit,
            public Mixin::MetaType<CLengthUnit>,
            public Mixin::DBusOperators<CLengthUnit>,
            public Mixin::Index<CLengthUnit>
        {
        private:
            template <class Converter>
            CLengthUnit(const QString &name, const QString &symbol, const Converter &converter, int displayDigits = 2, double epsilon = 1E-9) :
                CMeasurementUnit(name, symbol, converter, displayDigits, epsilon)
            {}

            //! null constructor
            CLengthUnit(const QString &name, const QString &symbol, std::nullptr_t) :
                CMeasurementUnit(name, symbol, nullptr)
            {}

            struct NauticalMilesToMeters    { static double factor() { return 1852.0;    } };
            struct FeetToMeters             { static double factor() { return    0.3048; } };
            struct MilesToMeters            { static double factor() { return 1609.344;  } };
            struct StatuteMilesToMeters     { static double factor() { return 1609.3472; } };
            using MetersToMeters = One;

        public:
            //! Base type
            using base_type = CMeasurementUnit;

            BLACKMISC_DECLARE_USING_MIXIN_METATYPE(CLengthUnit)

            //! Default constructor, required for Qt Metasystem
            CLengthUnit() : CMeasurementUnit(defaultUnit()) {}

            //! Default unit
            static const CLengthUnit &defaultUnit() { return m(); }

            //! Null unit
            static const CLengthUnit &nullUnit()
            {
                static CLengthUnit nu("null", "null", nullptr);
                return nu;
            }

            //! Meter m
            static const CLengthUnit &m()
            {
                static CLengthUnit m(QT_TRANSLATE_NOOP("CMeasurementUnit", "meter"), "m", IdentityConverter());
                return m;
            }

            //! Nautical miles NM
            static const CLengthUnit &NM()
            {
                static CLengthUnit NM(QT_TRANSLATE_NOOP("CMeasurementUnit", "nautical mile"), "NM", LinearConverter<NauticalMilesToMeters>(), 3);
                return NM;
            }

            //! Foot ft
            static const CLengthUnit &ft()
            {
                static CLengthUnit ft(QT_TRANSLATE_NOOP("CMeasurementUnit", "foot"), "ft", LinearConverter<FeetToMeters>(), 1);
                return ft;
            }

            //! Kilometer km
            static const CLengthUnit &km()
            {
                static CLengthUnit km(QT_TRANSLATE_NOOP("CMeasurementUnit", "kilometer"), "km", LinearConverter<Kilo<MetersToMeters> >(), 3);
                return km;
            }

            //! Centimeter cm
            static const CLengthUnit &cm()
            {
                static CLengthUnit cm(QT_TRANSLATE_NOOP("CMeasurementUnit", "centimeter"), "cm", LinearConverter<Centi<MetersToMeters> >(), 1);
                return cm;
            }

            //! International mile
            static const CLengthUnit &mi()
            {
                static CLengthUnit mi(QT_TRANSLATE_NOOP("CMeasurementUnit", "mile"), "mi", LinearConverter<MilesToMeters>(), 3);
                return mi;
            }

            //! Statute mile
            static const CLengthUnit &SM()
            {
                static CLengthUnit sm(QT_TRANSLATE_NOOP("CMeasurementUnit", "statute mile"), "SM", LinearConverter<StatuteMilesToMeters>(), 3);
                return sm;
            }

            //! All units
            static const QList<CLengthUnit> &allUnits()
            {
                static QList<CLengthUnit> u;
                if (u.isEmpty())
                {
                    u.append(CLengthUnit::nullUnit());
                    u.append(CLengthUnit::cm());
                    u.append(CLengthUnit::ft());
                    u.append(CLengthUnit::km());
                    u.append(CLengthUnit::m());
                    u.append(CLengthUnit::mi());
                    u.append(CLengthUnit::SM());
                    u.append(CLengthUnit::NM());
                }
                return u;
            }

            //! \copydoc BlackMisc::Mixin::DBusByMetaClass::unmarshallFromDbus
            void unmarshallFromDbus(const QDBusArgument &argument)
            {
                QString unitName;
                argument >> unitName;
                (*this) = CMeasurementUnit::unitFromSymbol<CLengthUnit>(unitName);
            }
        };

        //! Specialized class for angles (degrees, radian).
        class BLACKMISC_EXPORT CAngleUnit :
            public CMeasurementUnit,
            public Mixin::MetaType<CAngleUnit>,
            public Mixin::DBusOperators<CAngleUnit>,
            public Mixin::Index<CAngleUnit>
        {
        private:
            template <class Converter>
            CAngleUnit(const QString &name, const QString &symbol, const Converter &converter, int displayDigits = 2, double epsilon = 1E-9) :
                CMeasurementUnit(name, symbol, converter, displayDigits, epsilon)
            {}

            CAngleUnit(const QString &name, const QString &symbol, std::nullptr_t) :
                CMeasurementUnit(name, symbol, nullptr)
            {}

            struct RadiansToDegrees { static double factor() { return 180.0 / M_PI; } };
            using DegreesToDegrees = One;

        public:
            //! Base type
            using base_type = CMeasurementUnit;

            BLACKMISC_DECLARE_USING_MIXIN_METATYPE(CAngleUnit)

            //!  Default constructor, required for Qt Metasystem
            CAngleUnit() : CMeasurementUnit(defaultUnit()) {}

            //! Default unit
            static const CAngleUnit &defaultUnit() { return deg(); }

            //! Null unit
            static const CAngleUnit &nullUnit()
            {
                static CAngleUnit nu("null", "null", nullptr);
                return nu;
            }

            //! \copydoc CMeasurementUnit::makeRoundedQStringWithUnit
            virtual QString makeRoundedQStringWithUnit(double value, int digits = -1, bool i18n = false) const override;

            //! Radians
            static const CAngleUnit &rad()
            {
                static CAngleUnit rad(QT_TRANSLATE_NOOP("CMeasurementUnit", "radian"), "rad", LinearConverter<RadiansToDegrees>());
                return rad;
            }

            //! Degrees
            static const CAngleUnit &deg()
            {
                static CAngleUnit deg(QT_TRANSLATE_NOOP("CMeasurementUnit", "degree"), QT_TRANSLATE_NOOP("CMeasurementUnit", "deg"), IdentityConverter());
                return deg;
            }

            //! Sexagesimal degree (degrees, minutes, seconds, decimal seconds)
            static const CAngleUnit &sexagesimalDeg()
            {
                static CAngleUnit deg(QT_TRANSLATE_NOOP("CMeasurementUnit", "degree, minute, second"), "DMS", SubdivisionConverter2<DegreesToDegrees, InEachHundred<60> >(), 4);
                return deg;
                (void)QT_TRANSLATE_NOOP("CMeasurementUnit", "%L1 %L2 %L3");
                (void)QT_TRANSLATE_NOOP("CMeasurementUnit", "-%L1 %L2 %L3");
            }


            //! Sexagesimal degree (degrees, minutes, decimal minutes)
            static const CAngleUnit &sexagesimalDegMin()
            {
                static CAngleUnit deg(QT_TRANSLATE_NOOP("CMeasurementUnit", "degree, minute"), "MinDec", SubdivisionConverter<DegreesToDegrees, InEachHundred<60> >(), 4);
                return deg;
                (void)QT_TRANSLATE_NOOP("CMeasurementUnit", "%L1 %L2");
                (void)QT_TRANSLATE_NOOP("CMeasurementUnit", "-%L1 %L2");
            }

            //! All units
            static const QList<CAngleUnit> &allUnits()
            {
                static QList<CAngleUnit> u;
                if (u.isEmpty())
                {
                    u.append(CAngleUnit::nullUnit());
                    u.append(CAngleUnit::deg());
                    u.append(CAngleUnit::rad());
                    u.append(CAngleUnit::sexagesimalDeg());
                    u.append(CAngleUnit::sexagesimalDegMin());
                }
                return u;
            }

            //! \copydoc BlackMisc::Mixin::DBusByMetaClass::unmarshallFromDbus
            void unmarshallFromDbus(const QDBusArgument &argument)
            {
                QString unitName;
                argument >> unitName;
                (*this) = CMeasurementUnit::unitFromSymbol<CAngleUnit>(unitName);
            }
        };

        //! Specialized class for frequency (hertz, mega hertz, kilo hertz).
        class BLACKMISC_EXPORT CFrequencyUnit :
            public CMeasurementUnit,
            public Mixin::MetaType<CFrequencyUnit>,
            public Mixin::DBusOperators<CFrequencyUnit>,
            public Mixin::Index<CFrequencyUnit>
        {
        private:
            template <class Converter>
            CFrequencyUnit(const QString &name, const QString &symbol, const Converter &converter, int displayDigits = 2, double epsilon = 1E-9) :
                CMeasurementUnit(name, symbol, converter, displayDigits, epsilon)
            {}

            CFrequencyUnit(const QString &name, const QString &symbol, std::nullptr_t) :
                CMeasurementUnit(name, symbol, nullptr)
            {}

            using HertzToHertz = One;

        public:
            //! Base type
            using base_type = CMeasurementUnit;

            BLACKMISC_DECLARE_USING_MIXIN_METATYPE(CFrequencyUnit)

            //! Default constructor, required for Qt Metasystem
            CFrequencyUnit() : CMeasurementUnit(defaultUnit()) {}

            //! Default unit
            static const CFrequencyUnit &defaultUnit() { return Hz(); }

            //! Null unit
            static const CFrequencyUnit &nullUnit()
            {
                static CFrequencyUnit nu("null", "null", nullptr);
                return nu;
            }

            //! Hertz
            static const CFrequencyUnit &Hz()
            {
                static CFrequencyUnit Hz(QT_TRANSLATE_NOOP("CMeasurementUnit", "hertz"), "Hz", IdentityConverter());
                return Hz;
            }

            //! Kilohertz
            static const CFrequencyUnit &kHz()
            {
                static CFrequencyUnit kHz(QT_TRANSLATE_NOOP("CMeasurementUnit", "kilohertz"), "kHz", LinearConverter<Kilo<HertzToHertz> >(), 1);
                return kHz;
            }

            //! Megahertz
            static const CFrequencyUnit &MHz()
            {
                static CFrequencyUnit MHz(QT_TRANSLATE_NOOP("CMeasurementUnit", "megahertz"), "MHz", LinearConverter<Mega<HertzToHertz> >(), 2);
                return MHz;
            }

            //! Gigahertz
            static const CFrequencyUnit &GHz()
            {
                static CFrequencyUnit GHz(QT_TRANSLATE_NOOP("CMeasurementUnit", "gigahertz"), "GHz", LinearConverter<Giga<HertzToHertz> >(), 2);
                return GHz;
            }

            //! All units
            static const QList<CFrequencyUnit> &allUnits()
            {
                static QList<CFrequencyUnit> u;
                if (u.isEmpty())
                {
                    u.append(CFrequencyUnit::nullUnit());
                    u.append(CFrequencyUnit::GHz());
                    u.append(CFrequencyUnit::Hz());
                    u.append(CFrequencyUnit::kHz());
                    u.append(CFrequencyUnit::MHz());
                }
                return u;
            }

            //! \copydoc BlackMisc::Mixin::DBusByMetaClass::unmarshallFromDbus
            void unmarshallFromDbus(const QDBusArgument &argument)
            {
                QString unitName;
                argument >> unitName;
                (*this) = CMeasurementUnit::unitFromSymbol<CFrequencyUnit>(unitName);
            }
        };

        //! Specialized class for mass units (kg, lbs).
        class BLACKMISC_EXPORT CMassUnit :
            public CMeasurementUnit,
            public Mixin::MetaType<CMassUnit>,
            public Mixin::DBusOperators<CMassUnit>,
            public Mixin::Index<CMassUnit>
        {
        private:
            template <class Converter>
            CMassUnit(const QString &name, const QString &symbol, const Converter &converter, int displayDigits = 2, double epsilon = 1E-9) :
                CMeasurementUnit(name, symbol, converter, displayDigits, epsilon)
            {}

            CMassUnit(const QString &name, const QString &symbol, std::nullptr_t) :
                CMeasurementUnit(name, symbol, nullptr)
            {}

            using GramsToKilograms = Milli<One>;
            struct PoundsToKilograms { static double factor() { return 0.45359237; } };

        public:
            //! Base type
            using base_type = CMeasurementUnit;

            BLACKMISC_DECLARE_USING_MIXIN_METATYPE(CMassUnit)

            //! Default constructor, required for Qt Metasystem
            CMassUnit() : CMeasurementUnit(defaultUnit()) {}

            //! Default unit
            static const CMassUnit &defaultUnit() { return kg(); }

            //! Null unit
            static const CMassUnit &nullUnit()
            {
                static CMassUnit nu("null", "null", nullptr);
                return nu;
            }

            //! Kilogram, SI base unit
            static const CMassUnit &kg()
            {
                static CMassUnit kg(QT_TRANSLATE_NOOP("CMeasurementUnit", "kilogram"), "kg", IdentityConverter(), 1);
                return kg;
            }

            //! Gram, SI unit
            static const CMassUnit &g()
            {
                static CMassUnit g(QT_TRANSLATE_NOOP("CMeasurementUnit", "gram"), "g", LinearConverter<GramsToKilograms>(), 0);
                return g;
            }

            //! Tonne, aka metric ton (1000kg)
            static const CMassUnit &tonne()
            {
                static CMassUnit t(QT_TRANSLATE_NOOP("CMeasurementUnit", "tonne"), "t", LinearConverter<Mega<GramsToKilograms> >(), 3);
                return t;
            }

            //! Short ton (2000lb) used in the United States
            static const CMassUnit &shortTon()
            {
                static CMassUnit ton(QT_TRANSLATE_NOOP("CMeasurementUnit", "short ton"), "ton", LinearConverter<Two<Kilo<PoundsToKilograms> > >(), 3);
                return ton;
            }

            //! Pound, aka mass pound
            static const CMassUnit &lb()
            {
                static CMassUnit lbs(QT_TRANSLATE_NOOP("CMeasurementUnit", "pound"), "lb", LinearConverter<PoundsToKilograms>(), 1);
                return lbs;
            }

            //! All units
            static const QList<CMassUnit> &allUnits()
            {
                static QList<CMassUnit> u;
                if (u.isEmpty())
                {
                    u.append(CMassUnit::nullUnit());
                    u.append(CMassUnit::g());
                    u.append(CMassUnit::kg());
                    u.append(CMassUnit::lb());
                    u.append(CMassUnit::tonne());
                    u.append(CMassUnit::shortTon());
                }
                return u;
            }

            //! \copydoc BlackMisc::Mixin::DBusByMetaClass::unmarshallFromDbus
            void unmarshallFromDbus(const QDBusArgument &argument)
            {
                QString unitName;
                argument >> unitName;
                (*this) = CMeasurementUnit::unitFromSymbol<CMassUnit>(unitName);
            }
        };

        //! Specialized class for pressure (psi, hPa, bar).
        class BLACKMISC_EXPORT CPressureUnit :
            public CMeasurementUnit,
            public Mixin::MetaType<CPressureUnit>,
            public Mixin::DBusOperators<CPressureUnit>,
            public Mixin::Index<CPressureUnit>
        {
        private:
            template <class Converter>
            CPressureUnit(const QString &name, const QString &symbol, const Converter &converter, int displayDigits = 2, double epsilon = 1E-9) :
                CMeasurementUnit(name, symbol, converter, displayDigits, epsilon)
            {}

            CPressureUnit(const QString &name, const QString &symbol, std::nullptr_t) :
                CMeasurementUnit(name, symbol, nullptr)
            {}

            using PascalsToHectopascals = Centi<One>;
            struct PsiToHectopascals            { static double factor() { return  68.948;      } };
            struct InchesToHectopascals         { static double factor() { return  33.86389;    } };
            struct MillimetersToHectopascals    { static double factor() { return 860.142806;   } };

        public:
            //! Base type
            using base_type = CMeasurementUnit;

            BLACKMISC_DECLARE_USING_MIXIN_METATYPE(CPressureUnit)

            //! Default constructor, required for Qt Metasystem
            CPressureUnit() : CMeasurementUnit(defaultUnit()) {}

            //! Default unit
            static const CPressureUnit &defaultUnit() { return hPa(); }

            //! Null unit
            static const CPressureUnit &nullUnit()
            {
                static CPressureUnit nu("null", "null", nullptr);
                return nu;
            }

            //! Pascal
            static const CPressureUnit &Pa()
            {
                static CPressureUnit Pa(QT_TRANSLATE_NOOP("CMeasurementUnit", "pascal"), "Pa", LinearConverter<PascalsToHectopascals>());
                return Pa;
            }

            //! Hectopascal
            static const CPressureUnit &hPa()
            {
                static CPressureUnit hPa(QT_TRANSLATE_NOOP("CMeasurementUnit", "hectopascal"), "hPa", IdentityConverter());
                return hPa;
            }

            //! Pounds per square inch
            static const CPressureUnit &psi()
            {
                static CPressureUnit psi(QT_TRANSLATE_NOOP("CMeasurementUnit", "pound per square inch"), "psi", LinearConverter<PsiToHectopascals>(), 2);
                return psi;
            }

            //! Bar
            static const CPressureUnit &bar()
            {
                static CPressureUnit bar(QT_TRANSLATE_NOOP("CMeasurementUnit", "bar"), "bar", LinearConverter<Kilo<One> >(), 1);
                return bar;
            }

            //! Millibar, actually the same as hPa
            static const CPressureUnit &mbar()
            {
                static CPressureUnit mbar(QT_TRANSLATE_NOOP("CMeasurementUnit", "millibar"), "mbar", IdentityConverter(), 1);
                return mbar;
            }

            //! Inch of mercury at 0°C
            static const CPressureUnit &inHg()
            {
                static CPressureUnit inhg(QT_TRANSLATE_NOOP("CMeasurementUnit", "inch of mercury"), "inHg", LinearConverter<InchesToHectopascals>());
                return inhg;
            }

            //! Millimeter of mercury
            static const CPressureUnit &mmHg()
            {
                static CPressureUnit mmhg(QT_TRANSLATE_NOOP("CMeasurementUnit", "millimeter of mercury"), "mmHg", LinearConverter<MillimetersToHectopascals>());
                return mmhg;
            }

            //! All units
            static const QList<CPressureUnit> &allUnits()
            {
                static QList<CPressureUnit> u;
                if (u.isEmpty())
                {
                    u.append(CPressureUnit::nullUnit());
                    u.append(CPressureUnit::bar());
                    u.append(CPressureUnit::hPa());
                    u.append(CPressureUnit::inHg());
                    u.append(CPressureUnit::mmHg());
                    u.append(CPressureUnit::mbar());
                    u.append(CPressureUnit::psi());
                }
                return u;
            }

            //! \copydoc BlackMisc::Mixin::DBusByMetaClass::unmarshallFromDbus
            void unmarshallFromDbus(const QDBusArgument &argument)
            {
                QString unitName;
                argument >> unitName;
                (*this) = CMeasurementUnit::unitFromSymbol<CPressureUnit>(unitName);
            }
        };

        //! Specialized class for temperatur units (kelvin, centidegree).
        class BLACKMISC_EXPORT CTemperatureUnit :
            public CMeasurementUnit,
            public Mixin::MetaType<CTemperatureUnit>,
            public Mixin::DBusOperators<CTemperatureUnit>,
            public Mixin::Index<CTemperatureUnit>
        {
        private:
            template <class Converter>
            CTemperatureUnit(const QString &name, const QString &symbol, const Converter &converter, int displayDigits = 2, double epsilon = 1E-9) :
                CMeasurementUnit(name, symbol, converter, displayDigits, epsilon)
            {}

            CTemperatureUnit(const QString &name, const QString &symbol, std::nullptr_t) :
                CMeasurementUnit(name, symbol, nullptr)
            {}

            struct KelvinToCentigrade
            {
                static double factor() { return 1.0; }
                static double offset() { return 273.15; }
            };
            struct FahrenheitToCentigrade
            {
                static double factor() { return 5.0 / 9.0; }
                static double offset() { return 32.0; }
            };

        public:
            //! Base type
            using base_type = CMeasurementUnit;

            BLACKMISC_DECLARE_USING_MIXIN_METATYPE(CTemperatureUnit)

            //! Default constructor, required for Qt Metasystem
            CTemperatureUnit() : CMeasurementUnit(defaultUnit()) {}

            //! Default unit
            static const CTemperatureUnit &defaultUnit() { return C(); }

            //! Null unit
            static const CTemperatureUnit &nullUnit()
            {
                static CTemperatureUnit nu("null", "null", nullptr);
                return nu;
            }

            //! Kelvin
            static const CTemperatureUnit &K()
            {
                static CTemperatureUnit K(QT_TRANSLATE_NOOP("CMeasurementUnit", "Kelvin"), "K", AffineConverter<KelvinToCentigrade>());
                return K;
            }

            //! Centigrade C
            static const CTemperatureUnit &C()
            {
                static CTemperatureUnit C(QT_TRANSLATE_NOOP("CMeasurementUnit", "centigrade"), QT_TRANSLATE_NOOP("CMeasurementUnit", "C"), IdentityConverter());
                return C;
            }

            //! Fahrenheit F
            static const CTemperatureUnit &F()
            {
                static CTemperatureUnit F(QT_TRANSLATE_NOOP("CMeasurementUnit", "Fahrenheit"), QT_TRANSLATE_NOOP("CMeasurementUnit", "F"), AffineConverter<FahrenheitToCentigrade>());
                return F;
            }

            //! All units
            static const QList<CTemperatureUnit> &allUnits()
            {
                static QList<CTemperatureUnit> u;
                if (u.isEmpty())
                {
                    u.append(CTemperatureUnit::nullUnit());
                    u.append(CTemperatureUnit::C());
                    u.append(CTemperatureUnit::F());
                    u.append(CTemperatureUnit::K());
                }
                return u;
            }

            //! \copydoc BlackMisc::Mixin::DBusByMetaClass::unmarshallFromDbus
            void unmarshallFromDbus(const QDBusArgument &argument)
            {
                QString unitName;
                argument >> unitName;
                (*this) = CMeasurementUnit::unitFromSymbol<CTemperatureUnit>(unitName);
            }
        };

        //! Specialized class for speed units (m/s, ft/s, NM/h).
        class BLACKMISC_EXPORT CSpeedUnit :
            public CMeasurementUnit,
            public Mixin::MetaType<CSpeedUnit>,
            public Mixin::DBusOperators<CSpeedUnit>,
            public Mixin::Index<CSpeedUnit>
        {
        private:
            template <class Converter>
            CSpeedUnit(const QString &name, const QString &symbol, const Converter &converter, int displayDigits = 2, double epsilon = 1E-9) :
                CMeasurementUnit(name, symbol, converter, displayDigits, epsilon)
            {}

            CSpeedUnit(const QString &name, const QString &symbol, std::nullptr_t) :
                CMeasurementUnit(name, symbol, nullptr)
            {}

            struct KnotsToMps       { static double factor() { return 1852.0    / 3600.0; } };
            struct KphToMps         { static double factor() { return    1.0    /    3.6; } };
            struct FtPerSecToMps    { static double factor() { return    0.3048         ; } };
            struct FtPerMinToMps    { static double factor() { return    0.3048 /   60.0; } };

        public:
            //! Base type
            using base_type = CMeasurementUnit;

            BLACKMISC_DECLARE_USING_MIXIN_METATYPE(CSpeedUnit)

            //! Default constructor, required for Qt Metasystem
            CSpeedUnit() : CMeasurementUnit(defaultUnit()) {}

            //! Default unit
            static const CSpeedUnit &defaultUnit() { return m_s(); }

            //! Null unit
            static const CSpeedUnit &nullUnit()
            {
                static CSpeedUnit nu("null", "null", nullptr);
                return nu;
            }

            //! Meter/second m/s
            static const CSpeedUnit &m_s()
            {
                static CSpeedUnit ms(QT_TRANSLATE_NOOP("CMeasurementUnit", "meter per second"), "m/s", IdentityConverter());
                return ms;
            }

            //! Knots
            static const CSpeedUnit &kts()
            {
                static CSpeedUnit kts(QT_TRANSLATE_NOOP("CMeasurementUnit", "knot"), "kts", LinearConverter<KnotsToMps>(), 1);
                return kts;
            }

            //! Nautical miles per hour NM/h (same as kts)
            static const CSpeedUnit &NM_h()
            {
                static CSpeedUnit NMh(QT_TRANSLATE_NOOP("CMeasurementUnit", "nautical mile per hour"), "NM/h", LinearConverter<KnotsToMps>(), 1);
                return NMh;
            }

            //! Feet/second ft/s
            static const CSpeedUnit &ft_s()
            {
                static CSpeedUnit fts(QT_TRANSLATE_NOOP("CMeasurementUnit", "foot per second"), "ft/s", LinearConverter<FtPerSecToMps>(), 0);
                return fts;
            }

            //! Feet/min ft/min
            static const CSpeedUnit &ft_min()
            {
                static CSpeedUnit ftmin(QT_TRANSLATE_NOOP("CMeasurementUnit", "foot per minute"), "ft/min", LinearConverter<FtPerMinToMps>(), 0);
                return ftmin;
            }

            //! Kilometer/hour km/h
            static const CSpeedUnit &km_h()
            {
                static CSpeedUnit kmh(QT_TRANSLATE_NOOP("CMeasurementUnit", "kilometer per hour"), "km/h", LinearConverter<KphToMps>(), 1);
                return kmh;
            }

            //! All units
            static const QList<CSpeedUnit> &allUnits()
            {
                static QList<CSpeedUnit> u;
                if (u.isEmpty())
                {
                    u.append(CSpeedUnit::nullUnit());
                    u.append(CSpeedUnit::ft_min());
                    u.append(CSpeedUnit::ft_s());
                    u.append(CSpeedUnit::km_h());
                    u.append(CSpeedUnit::kts());
                    u.append(CSpeedUnit::m_s());
                    u.append(CSpeedUnit::NM_h());
                }
                return u;
            }

            //! \copydoc BlackMisc::Mixin::DBusByMetaClass::unmarshallFromDbus
            void unmarshallFromDbus(const QDBusArgument &argument)
            {
                QString unitName;
                argument >> unitName;
                (*this) = CMeasurementUnit::unitFromSymbol<CSpeedUnit>(unitName);
            }
        };

        //! Specialized class for time units (ms, hour, min).
        class BLACKMISC_EXPORT CTimeUnit :
            public CMeasurementUnit,
            public Mixin::MetaType<CTimeUnit>,
            public Mixin::DBusOperators<CTimeUnit>,
            public Mixin::Index<CTimeUnit>
        {
        private:
            template <class Converter>
            CTimeUnit(const QString &name, const QString &symbol, const Converter &converter, int displayDigits = 2, double epsilon = 1E-9) :
                CMeasurementUnit(name, symbol, converter, displayDigits, epsilon)
            {}

            CTimeUnit(const QString &name, const QString &symbol, std::nullptr_t) :
                CMeasurementUnit(name, symbol, nullptr)
            {}

            using SecondsToSeconds = One;
            struct DaysToSeconds    { static double factor() { return 60.0 * 60.0 * 24.0;   } };
            struct HoursToSeconds   { static double factor() { return 60.0 * 60.0;          } };
            struct MinutesToSeconds { static double factor() { return 60.0;                 } };

        public:
            //! Base type
            using base_type = CMeasurementUnit;

            BLACKMISC_DECLARE_USING_MIXIN_METATYPE(CTimeUnit)

            //! Default constructor, required for Qt Metasystem
            CTimeUnit() : CMeasurementUnit(defaultUnit()) {}

            //! Default unit
            static const CTimeUnit &defaultUnit() { return s(); }

            //! Null unit
            static const CTimeUnit &nullUnit()
            {
                static CTimeUnit nu("null", "null", nullptr);
                return nu;
            }

            //! \copydoc CMeasurementUnit::makeRoundedQStringWithUnit
            virtual QString makeRoundedQStringWithUnit(double value, int digits = -1, bool i18n = false) const override;

            //! Second s
            static const CTimeUnit &s()
            {
                static CTimeUnit s(QT_TRANSLATE_NOOP("CMeasurementUnit", "second"), "s", IdentityConverter(), 1);
                return s;
            }

            //! Millisecond ms
            static const CTimeUnit &ms()
            {
                static CTimeUnit ms(QT_TRANSLATE_NOOP("CMeasurementUnit", "millisecond"), "ms", LinearConverter<Milli<SecondsToSeconds> >(), 0);
                return ms;
            }

            //! Hour
            static const CTimeUnit &h()
            {
                static CTimeUnit h(QT_TRANSLATE_NOOP("CMeasurementUnit", "hour"), "h", LinearConverter<HoursToSeconds>(), 1);
                return h;
            }

            //! Minute
            static const CTimeUnit &min()
            {
                static CTimeUnit minute(QT_TRANSLATE_NOOP("CMeasurementUnit", "minute"), "min", LinearConverter<MinutesToSeconds>(), 2);
                return minute;
            }

            //! Day
            static const CTimeUnit &d()
            {
                static CTimeUnit day(QT_TRANSLATE_NOOP("CMeasurementUnit", "day"), "d", LinearConverter<DaysToSeconds>(), 1);
                return day;
            }

            //! Hours, minutes, seconds
            static const CTimeUnit &hms()
            {
                static CTimeUnit hms(QT_TRANSLATE_NOOP("CMeasurementUnit", "hour, minute, second"), "hms", SubdivisionConverter2<HoursToSeconds, InEachHundred<60> >(), 4);
                return hms;
                (void)QT_TRANSLATE_NOOP("CMeasurementUnit", "%L1h%L2m%L3s");
                (void)QT_TRANSLATE_NOOP("CMeasurementUnit", "%-L1h%L2m%L3s");
            }

            //! Hours, minutes
            static const CTimeUnit &hrmin()
            {
                static CTimeUnit hrmin(QT_TRANSLATE_NOOP("CMeasurementUnit", "hour, minute"), "hm", SubdivisionConverter<HoursToSeconds, InEachHundred<60> >(), 3);
                return hrmin;
                (void)QT_TRANSLATE_NOOP("CMeasurementUnit", "%L1h%L2m");
                (void)QT_TRANSLATE_NOOP("CMeasurementUnit", "-%L1h%L2m");
            }

            //! Minutes, seconds
            static const CTimeUnit &minsec()
            {
                static CTimeUnit minsec(QT_TRANSLATE_NOOP("CMeasurementUnit", "minute, second"), "minsec", SubdivisionConverter<MinutesToSeconds, InEachHundred<60> >(), 2);
                return minsec;
                (void)QT_TRANSLATE_NOOP("CMeasurementUnit", "%L1m%L2s");
                (void)QT_TRANSLATE_NOOP("CMeasurementUnit", "-%L1m%L2s");
            }

            //! All units
            static const QList<CTimeUnit> &allUnits()
            {
                static QList<CTimeUnit> u;
                if (u.isEmpty())
                {
                    u.append(CTimeUnit::nullUnit());
                    u.append(CTimeUnit::d());
                    u.append(CTimeUnit::h());
                    u.append(CTimeUnit::hms());
                    u.append(CTimeUnit::hrmin());
                    u.append(CTimeUnit::min());
                    u.append(CTimeUnit::ms());
                    u.append(CTimeUnit::s());
                }
                return u;
            }

            //! \copydoc BlackMisc::Mixin::DBusByMetaClass::unmarshallFromDbus
            void unmarshallFromDbus(const QDBusArgument &argument)
            {
                QString unitName;
                argument >> unitName;
                (*this) = CMeasurementUnit::unitFromSymbol<CTimeUnit>(unitName);
            }
        };

        //! Specialized class for acceleration units (m/s2, ft/s2).
        class BLACKMISC_EXPORT CAccelerationUnit :
            public CMeasurementUnit,
            public Mixin::MetaType<CAccelerationUnit>,
            public Mixin::DBusOperators<CAccelerationUnit>,
            public Mixin::Index<CAccelerationUnit>
        {
        private:
            template <class Converter>
            CAccelerationUnit(const QString &name, const QString &symbol, const Converter &converter, int displayDigits = 2, double epsilon = 1E-9) :
                CMeasurementUnit(name, symbol, converter, displayDigits, epsilon)
            {}

            CAccelerationUnit(const QString &name, const QString &symbol, std::nullptr_t) :
                CMeasurementUnit(name, symbol, nullptr)
            {}

            struct FeetToMeters { static double factor() { return 0.3048; } };

        public:
            //! Base type
            using base_type = CMeasurementUnit;

            BLACKMISC_DECLARE_USING_MIXIN_METATYPE(CAccelerationUnit)

            //! Default constructor, required for Qt Metasystem
            CAccelerationUnit() : CMeasurementUnit(defaultUnit()) {}

            //! Default unit
            static const CAccelerationUnit &defaultUnit() { return m_s2(); }

            //! Null unit
            static const CAccelerationUnit &nullUnit()
            {
                static CAccelerationUnit nu("null", "null", nullptr);
                return nu;
            }

            //! Meter/second^2 (m/s^2)
            static const CAccelerationUnit &m_s2()
            {
                static CAccelerationUnit ms2(QT_TRANSLATE_NOOP("CMeasurementUnit", "meter per second per second"), QT_TRANSLATE_NOOP("CMeasurementUnit", "m/s^2"), IdentityConverter(), 1);
                return ms2;
            }

            //! Feet/second^2
            static const CAccelerationUnit &ft_s2()
            {
                static CAccelerationUnit fts2(QT_TRANSLATE_NOOP("CMeasurementUnit", "foot per second per second"), QT_TRANSLATE_NOOP("CMeasurementUnit", "ft/s^2"), LinearConverter<FeetToMeters>(), 0);
                return fts2;
            }

            //! All units
            static const QList<CAccelerationUnit> &allUnits()
            {
                static QList<CAccelerationUnit> u;
                if (u.isEmpty())
                {
                    u.append(CAccelerationUnit::nullUnit());
                    u.append(CAccelerationUnit::ft_s2());
                    u.append(CAccelerationUnit::m_s2());
                }
                return u;
            }

            //! \copydoc BlackMisc::Mixin::DBusByMetaClass::unmarshallFromDbus
            void unmarshallFromDbus(const QDBusArgument &argument)
            {
                QString unitName;
                argument >> unitName;
                (*this) = CMeasurementUnit::unitFromSymbol<CAccelerationUnit>(unitName);
            }
        };

    } // namespace
} // namespace

Q_DECLARE_METATYPE(BlackMisc::PhysicalQuantities::CLengthUnit)
Q_DECLARE_METATYPE(BlackMisc::PhysicalQuantities::CAngleUnit)
Q_DECLARE_METATYPE(BlackMisc::PhysicalQuantities::CFrequencyUnit)
Q_DECLARE_METATYPE(BlackMisc::PhysicalQuantities::CMassUnit)
Q_DECLARE_METATYPE(BlackMisc::PhysicalQuantities::CPressureUnit)
Q_DECLARE_METATYPE(BlackMisc::PhysicalQuantities::CTemperatureUnit)
Q_DECLARE_METATYPE(BlackMisc::PhysicalQuantities::CSpeedUnit)
Q_DECLARE_METATYPE(BlackMisc::PhysicalQuantities::CTimeUnit)
Q_DECLARE_METATYPE(BlackMisc::PhysicalQuantities::CAccelerationUnit)

#pragma pop_macro("min")

#endif // guard