/************************************************************************
 **
 **  @file   def.h
 **  @author Roman Telezhynskyi <dismine(at)gmail.com>
 **  @date   11 4, 2015
 **
 **  @brief
 **  @copyright
 **  This source code is part of the Valentina project, a pattern making
 **  program, whose allow create and modeling patterns of clothing.
 **  Copyright (C) 2015 Valentina project
 **  <https://gitlab.com/smart-pattern/valentina> All Rights Reserved.
 **
 **  Valentina is free software: you can redistribute it and/or modify
 **  it under the terms of the GNU General Public License as published by
 **  the Free Software Foundation, either version 3 of the License, or
 **  (at your option) any later version.
 **
 **  Valentina is distributed in the hope that it will be useful,
 **  but WITHOUT ANY WARRANTY; without even the implied warranty of
 **  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 **  GNU General Public License for more details.
 **
 **  You should have received a copy of the GNU General Public License
 **  along with Valentina.  If not, see <http://www.gnu.org/licenses/>.
 **
 *************************************************************************/

#ifndef DEF_H
#define DEF_H

#include <QtGlobal>
#ifdef Q_OS_WIN
#  include <qt_windows.h>
#endif /*Q_OS_WIN*/

#include <qcompilerdetection.h>
#include <QPrinter>
#include <QString>
#include <QStringList>
#include <Qt>
#include <csignal>
#include <QMargins>
#include <QLineF>

#include "debugbreak.h"
#include "defglobal.h"

template <class T> class QSharedPointer;

#include <ciso646>

// Backport of relaxed constexpr
#if QT_VERSION < QT_VERSION_CHECK(5, 5, 0)
#if defined Q_COMPILER_CONSTEXPR
# if defined(__cpp_constexpr) && __cpp_constexpr-0 >= 201304
#  define Q_DECL_RELAXED_CONSTEXPR constexpr
#  define Q_RELAXED_CONSTEXPR constexpr
# else
#  define Q_DECL_RELAXED_CONSTEXPR
#  define Q_RELAXED_CONSTEXPR const
# endif
#else
# define Q_DECL_RELAXED_CONSTEXPR
# define Q_RELAXED_CONSTEXPR const
#endif
#endif

class QComboBox;
class QMarginsF;
class VTranslateMeasurements;
class QGraphicsItem;

#define SceneSize 50000  
extern const qreal   defCurveApproximationScale;
extern const qreal   minCurveApproximationScale;
extern const qreal   maxCurveApproximationScale;

extern const int minLabelFontSize;
extern const int maxLabelFontSize;

enum class NodeDetail : qint8 { Contour, Modeling };
enum class SceneObject : qint8 { Point, Line, Spline, Arc, ElArc, SplinePath, Detail, Unknown };
enum class MeasurementsType : qint8 { Multisize, Individual, Unknown};
enum class Unit : qint8 { Mm = 0, Cm, Inch, Px, LAST_UNIT_DO_NOT_USE};
enum class Source : qint8 { FromGui, FromFile, FromTool };
enum class NodeUsage : bool {NotInUse = false, InUse = true};
enum class SelectionType : bool {ByMousePress, ByMouseRelease};
enum class PageOrientation : bool {Portrait = true, Landscape = false};
enum class Draw : qint8 { Calculation, Modeling, Layout };

enum class PieceNodeAngle : quint8
{
    ByLength = 0,
    ByPointsIntersection = 1,
    ByFirstEdgeSymmetry = 2,
    BySecondEdgeSymmetry = 3,
    ByFirstEdgeRightAngle = 4,
    BySecondEdgeRightAngle = 5,
    ByLengthCurve = 6, // used only in runtime
    LAST_ONE_DO_NOT_USE
};

enum class PassmarkLineType : quint8
{
    OneLine = 0, // Default
    TwoLines,
    ThreeLines,
    TMark,
    VMark,
    VMark2,
    UMark,
    BoxMark,
    LAST_ONE_DO_NOT_USE
};

QString          PassmarkLineTypeToString(PassmarkLineType type);
PassmarkLineType StringToPassmarkLineType(const QString &value);

enum class PassmarkAngleType : quint8
{
    Straightforward = 0, // Default
    Bisector,
    Intersection,
    IntersectionOnlyLeft,
    IntersectionOnlyRight,
    Intersection2,
    Intersection2OnlyLeft,
    Intersection2OnlyRight,
    LAST_ONE_DO_NOT_USE
};

QString           PassmarkAngleTypeToString(PassmarkAngleType type);
PassmarkAngleType StringToPassmarkAngleType(const QString &value);


Unit    StrToUnits(const QString &unit);
QString UnitsToStr(const Unit &unit, const bool translate = false);


enum class PiecePathIncludeType : quint8
{
    AsMainPath = 0,
    AsCustomSA = 1
};

enum class PiecePathType :  quint8 {PiecePath = 0, CustomSeamAllowance = 1, InternalPath = 2, Unknown = 3};

typedef int ToolVisHolderType;
enum class Tool : ToolVisHolderType
{
    Arrow,
    SinglePoint,
    DoublePoint,
    LinePoint,
    AbstractSpline,
    Cut,
    BasePoint,
    EndLine,
    Line,
    AlongLine,
    ShoulderPoint,
    Normal,
    Bisector,
    LineIntersect,
    Spline,
    CubicBezier,
    CutSpline,
    CutArc,
    Arc,
    ArcWithLength,
    SplinePath,
    CubicBezierPath,
    CutSplinePath,
    PointOfContact,
    Piece,
    PiecePath,
    NodePoint,
    NodeArc,
    NodeElArc,
    NodeSpline,
    NodeSplinePath,
    Height,
    Triangle,
    LineIntersectAxis,
    PointOfIntersectionArcs,
    PointOfIntersectionCircles,
    PointOfIntersectionCurves,
    CurveIntersectAxis,
    ArcIntersectAxis,
    PointOfIntersection,
    PointFromCircleAndTangent,
    PointFromArcAndTangent,
    TrueDarts,
    UnionDetails,
    Group,
    Rotation,
    FlippingByLine,
    FlippingByAxis,
    Move,
    Midpoint,
    EllipticalArc,
    Pin,
    InsertNode,
    PlaceLabel,
    DuplicateDetail,
    BackgroundImage,
    BackgroundImageControls,
    BackgroundPixmapImage,
    BackgroundSVGImage,
    LAST_ONE_DO_NOT_USE //add new stuffs above this, this constant must be last and never used
};

enum class Vis : ToolVisHolderType
{
    ControlPointSpline = static_cast<ToolVisHolderType>(Tool::LAST_ONE_DO_NOT_USE),
    GraphicsSimpleTextItem,
    SimplePoint,
    SimpleCurve,
    ScaledLine,
    ScaledEllipse,
    Line,
    Path,
    Operation,
    ToolAlongLine,
    ToolArc,
    ToolArcWithLength,
    ToolBisector,
    ToolCutArc,
    ToolEndLine,
    ToolHeight,
    ToolLine,
    ToolLineIntersect,
    ToolNormal,
    ToolPointOfContact,
    ToolPointOfIntersection,
    ToolPointOfIntersectionArcs,
    ToolPointOfIntersectionCircles,
    ToolPointOfIntersectionCurves,
    ToolPointFromCircleAndTangent,
    ToolPointFromArcAndTangent,
    ToolShoulderPoint,
    ToolSpline,
    ToolCubicBezier,
    ToolCubicBezierPath,
    ToolTriangle,
    ToolCutSpline,
    ToolSplinePath,
    ToolCutSplinePath,
    ToolLineIntersectAxis,
    ToolCurveIntersectAxis,
    ToolTrueDarts,
    ToolRotation,
    ToolFlippingByLine,
    ToolFlippingByAxis,
    ToolMove,
    ToolEllipticalArc,
    ToolPiece,
    ToolPiecePath,
    ToolSpecialPoint,
    ToolPlaceLabel,
    ToolDuplicateDetail,
    PieceSpecialPoints,
    NoBrush,
    CurvePathItem,
    GrainlineItem,
    PieceItem,
    TextGraphicsItem,
    ScenePoint,
    LAST_ONE_DO_NOT_USE //add new stuffs above this, this constant must be last and never used
};

enum class VarType : qint8 { Measurement, MeasurementSeparator, Increment, IncrementSeparator, LineLength, CurveLength,
                             CurveCLength, LineAngle, CurveAngle, ArcRadius, Unknown };

enum class IncrementType : qint8 { Increment, Separator };

auto IncrementTypeToString(IncrementType type) -> QString;
auto StringToIncrementType(const QString &value) -> IncrementType;

enum class MeasurementType : qint8 { Measurement, Separator };

auto MeasurementTypeToString(MeasurementType type) -> QString;
auto StringToMeasurementType(const QString &value) -> MeasurementType;

enum class IMD: qint8 // Individual measurement dimension
{
    N, // None
    X, // height
    Y, // size (chest half circumference)
    W, // waist half circumference
    Z  // hip half circumference
};

/* QImage supports a maximum of 32768x32768 px images (signed short).
 * This follows from the condition: width * height * colordepth < INT_MAX (4 billion) -> 32768 * 32768 * 4 = 4 billion.
 * The second condition is of course that malloc is able to allocate the requested memory.
 *
 * If you really need bigger images you will have to use another wrapper or split into multiple QImage's.
 */
#define QIMAGE_MAX 32768

/*
 * This macros SCASSERT (for Stop and Continue Assert) will break into the debugger on the line of the assert and allow
 * you to continue afterwards should you choose to.
 * idea: Q_ASSERT no longer pauses debugger - http://qt-project.org/forums/viewthread/13148
 * Usefull links:
 * 1. What's the difference between __PRETTY_FUNCTION__, __FUNCTION__, __func__? -
 *    https://stackoverflow.com/questions/4384765/whats-the-difference-between-pretty-function-function-func
 *
 * 2. Windows Predefined Macros - http://msdn.microsoft.com/library/b0084kay.aspx
 *
 * 3. Windows DebugBreak function - http://msdn.microsoft.com/en-us/library/ms679297%28VS.85%29.aspx
 *
 * 4. Continue to debug after failed assertion on Linux? [C/C++] -
 * https://stackoverflow.com/questions/1721543/continue-to-debug-after-failed-assertion-on-linux-c-c
 */
#ifndef V_NO_ASSERT

#define SCASSERT(cond)                                  \
if (!(cond))                                            \
{                                                       \
    qCritical("ASSERT: %s in %s (%s:%u)",               \
              #cond, Q_FUNC_INFO , __FILE__, __LINE__); \
    debug_break();                                      \
    abort();                                            \
}

#else // define but disable this function if debugging is not set
#define SCASSERT(cond) qt_noop();
#endif /* V_NO_ASSERT */

#ifndef __has_cpp_attribute
# define __has_cpp_attribute(x) 0
#endif

#if QT_VERSION < QT_VERSION_CHECK(5, 8, 0)

#ifndef QT_HAS_CPP_ATTRIBUTE
#ifdef __has_cpp_attribute
#  define QT_HAS_CPP_ATTRIBUTE(x) __has_cpp_attribute(x)
#else
#  define QT_HAS_CPP_ATTRIBUTE(x) 0
#endif
#endif // QT_HAS_CPP_ATTRIBUTE

#if defined(__cplusplus)
#if QT_HAS_CPP_ATTRIBUTE(clang::fallthrough)
#    define Q_FALLTHROUGH() [[clang::fallthrough]]
#elif QT_HAS_CPP_ATTRIBUTE(gnu::fallthrough)
#    define Q_FALLTHROUGH() [[gnu::fallthrough]]
#elif QT_HAS_CPP_ATTRIBUTE(fallthrough)
#  define Q_FALLTHROUGH() [[fallthrough]]
#endif
#endif
#ifndef Q_FALLTHROUGH
#  if (defined(Q_CC_GNU) && Q_CC_GNU >= 700) && !defined(Q_CC_INTEL)
#    define Q_FALLTHROUGH() __attribute__((fallthrough))
#  else
#    define Q_FALLTHROUGH() (void)0
#endif
#endif // defined(__cplusplus)
#endif // QT_VERSION < QT_VERSION_CHECK(5, 8, 0)

bool IsOptionSet(int argc, char *argv[], const char *option);
void InitHighDpiScaling(int argc, char *argv[]);

// Don't forget to syncronize with XSD schema.
const int userMaterialPlaceholdersQuantity = 20;

QPixmap QPixmapFromCache(const QString &pixmapPath);
void SetItemOverrideCursor(QGraphicsItem *item, const QString & pixmapPath, int hotX = -1, int hotY = -1);

//---------------------------------------------------------------------------------------------------------------------
Q_DECL_RELAXED_CONSTEXPR inline double ToPixel(double val, const Unit &unit)
{
    switch (unit)
    {
        case Unit::Mm:
            return (val / 25.4) * PrintDPI;
        case Unit::Cm:
            return ((val * 10.0) / 25.4) * PrintDPI;
        case Unit::Inch:
            return val * PrintDPI;
        case Unit::Px:
            return val;
        default:
            break;
    }
    return 0;
}

//---------------------------------------------------------------------------------------------------------------------
Q_DECL_RELAXED_CONSTEXPR inline double FromPixel(double pix, const Unit &unit)
{
    switch (unit)
    {
        case Unit::Mm:
            return (pix / PrintDPI) * 25.4;
        case Unit::Cm:
            return ((pix / PrintDPI) * 25.4) / 10.0;
        case Unit::Inch:
            return pix / PrintDPI;
        case Unit::Px:
            return pix;
        default:
            break;
    }
    return 0;
}

//---------------------------------------------------------------------------------------------------------------------
Q_DECL_RELAXED_CONSTEXPR inline qreal UnitConvertor(qreal value, const Unit &from, const Unit &to)
{
    switch (from)
    {
        case Unit::Mm:
            switch (to)
            {
                case Unit::Mm:
                    return value;
                case Unit::Cm:
                    return value / 10.0;
                case Unit::Inch:
                    return value / 10.0 / 2.54;
                case Unit::Px:
                    return (value / 25.4) * PrintDPI;
                default:
                    break;
            }
            break;
        case Unit::Cm:
            switch (to)
            {
                case Unit::Mm:
                    return value * 10.0;
                case Unit::Cm:
                    return value;
                case Unit::Inch:
                    return value / 2.54;
                case Unit::Px:
                    return ((value * 10.0) / 25.4) * PrintDPI;
                default:
                    break;
            }
            break;
        case Unit::Inch:
            switch (to)
            {
                case Unit::Mm:
                    return value * 2.54 * 10.0;
                case Unit::Cm:
                    return value * 2.54;
                case Unit::Inch:
                    return value;
                case Unit::Px:
                    return value * PrintDPI;
                default:
                    break;
            }
            break;
        case Unit::Px:
            switch (to)
            {
                case Unit::Mm:
                    return (value / PrintDPI) * 25.4;
                case Unit::Cm:
                    return ((value / PrintDPI) * 25.4) / 10.0;
                case Unit::Inch:
                    return value / PrintDPI;
                case Unit::Px:
                    return value;
                default:
                    break;
            }
            break;
        default:
            break;
    }
    return 0;
}

//---------------------------------------------------------------------------------------------------------------------
/**
 * @brief UnitConvertor Converts the values of the given margin from given unit to the new unit.
 * returns a new instand of QMarginsF.
 */
Q_DECL_RELAXED_CONSTEXPR inline QMarginsF UnitConvertor(const QMarginsF &margins, const Unit &from, const Unit &to)
{
    const qreal left = UnitConvertor(margins.left(), from, to);
    const qreal top = UnitConvertor(margins.top(), from, to);
    const qreal right = UnitConvertor(margins.right(), from, to);
    const qreal bottom = UnitConvertor(margins.bottom(), from, to);

    return QMarginsF(left, top, right, bottom);
}

void InitLanguages(QComboBox *combobox);
Q_REQUIRED_RESULT QStringList SupportedLocales();

Q_REQUIRED_RESULT QString StrippedName(const QString &fullFileName);
Q_REQUIRED_RESULT QString RelativeMPath(const QString &patternPath, const QString &absoluteMPath);
Q_REQUIRED_RESULT QString AbsoluteMPath(const QString &patternPath, const QString &relativeMPath);

QStringList SplitFilePaths(const QString &path);

QMarginsF GetMinPrinterFields(const QSharedPointer<QPrinter> &printer);
QMarginsF GetPrinterFields(const QSharedPointer<QPrinter> &printer);

Q_REQUIRED_RESULT QPixmap darkenPixmap(const QPixmap &pixmap);

void ShowInGraphicalShell(const QString &filePath);

Q_REQUIRED_RESULT Q_DECL_RELAXED_CONSTEXPR static inline bool VFuzzyComparePossibleNulls(double p1, double p2);
Q_DECL_RELAXED_CONSTEXPR static inline bool VFuzzyComparePossibleNulls(double p1, double p2)
{
    if(qFuzzyIsNull(p1))
    {
        return qFuzzyIsNull(p2);
    }
    else if(qFuzzyIsNull(p2))
    {
        return false;
    }
    else
    {
        return qFuzzyCompare(p1, p2);
    }
}

/**
 * @brief The CustomSA struct contains record about custom seam allowanse (SA).
 */
struct CustomSARecord
{
    CustomSARecord()
        : startPoint(0),
          path(0),
          endPoint(0),
          reverse(false),
          includeType(PiecePathIncludeType::AsCustomSA)
    {}

    friend QDataStream& operator<<(QDataStream& out, const CustomSARecord& record);
    friend QDataStream& operator>>(QDataStream& in, CustomSARecord& record);

    quint32 startPoint{0};
    quint32 path{0};
    quint32 endPoint{0};
    bool reverse{false};
    PiecePathIncludeType includeType{PiecePathIncludeType::AsCustomSA};

private:
    static const quint32 streamHeader;
    static const quint16 classVersion;
};

Q_DECLARE_METATYPE(CustomSARecord)
Q_DECLARE_TYPEINFO(CustomSARecord, Q_MOVABLE_TYPE);
/****************************************************************************
** This file is derived from code bearing the following notice:
** The sole author of this file, Adam Higerd, has explicitly disclaimed all
** copyright interest and protection for the content within. This file has
** been placed in the public domain according to United States copyright
** statute and case law. In jurisdictions where this public domain dedication
** is not legally recognized, anyone who receives a copy of this file is
** permitted to use, modify, duplicate, and redistribute this file, in whole
** or in part, with no restrictions or conditions. In these jurisdictions,
** this file shall be copyright (C) 2006-2008 by Adam Higerd.
****************************************************************************/

#define QXT_DECLARE_PRIVATE(PUB) friend class PUB##Private; QxtPrivateInterface<PUB, PUB##Private> qxt_d;
#define QXT_DECLARE_PUBLIC(PUB) friend class PUB;
#define QXT_INIT_PRIVATE(PUB) qxt_d.setPublic(this);
#define QXT_D(PUB) PUB##Private& d = qxt_d()
#define QXT_P(PUB) PUB& p = qxt_p()

QT_WARNING_PUSH
QT_WARNING_DISABLE_GCC("-Wsuggest-final-types")
QT_WARNING_DISABLE_GCC("-Wsuggest-final-methods")

template <typename PUB>
class QxtPrivate
{
public:
    QxtPrivate(): qxt_p_ptr(nullptr)
    {}
    virtual ~QxtPrivate()
    {}
    inline void QXT_setPublic(PUB* pub)
    {
        qxt_p_ptr = pub;
    }

protected:
    inline PUB& qxt_p()
    {
        return *qxt_p_ptr;
    }
    inline const PUB& qxt_p() const
    {
        return *qxt_p_ptr;
    }
    inline PUB* qxt_ptr()
    {
        return qxt_p_ptr;
    }
    inline const PUB* qxt_ptr() const
    {
        return qxt_p_ptr;
    }

private:
    Q_DISABLE_COPY(QxtPrivate)
    PUB* qxt_p_ptr;
};

QT_WARNING_POP

template <typename PUB, typename PVT>
class QxtPrivateInterface
{
    friend class QxtPrivate<PUB>;
public:
    QxtPrivateInterface() : pvt(new PVT)
    {}
    ~QxtPrivateInterface()
    {
        delete pvt;
    }

    inline void setPublic(PUB* pub)
    {
        pvt->QXT_setPublic(pub);
    }
    inline PVT& operator()()
    {
        return *static_cast<PVT*>(pvt);
    }
    inline const PVT& operator()() const
    {
        return *static_cast<PVT*>(pvt);
    }
    inline PVT * operator->()
    {
    return static_cast<PVT*>(pvt);
    }
    inline const PVT * operator->() const
    {
    return static_cast<PVT*>(pvt);
    }
private:
    Q_DISABLE_COPY(QxtPrivateInterface)
    QxtPrivate<PUB>* pvt;
};

#endif // DEF_H