// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial

#ifndef MODIFICATIONS_H
#define MODIFICATIONS_H

#include "libsamplemacros.h"
#include "point.h"
#include "oddbool.h"

#include <utility>

class ObjectType;

class LIBSAMPLE_API Modifications
{
public:
    Modifications();
    virtual ~Modifications();

    enum OverloadedModFunc {
        OverloadedNone,
        Overloaded_ibid,
        Overloaded_ibib,
        Overloaded_ibiP,
        Overloaded_ibii,
        Overloaded_ibPP
    };

    enum TestEnum {
        TestEnumValue1,
        TestEnumValue2
    };

    // those overloaded methods should be heavily modified
    // to push the overload decisor to its limits
    OverloadedModFunc overloaded(int a0, bool b0, int c0, double d0);
    OverloadedModFunc overloaded(int a1, bool b1, int c1, bool d1);
    OverloadedModFunc overloaded(int a2, bool b2, int c2, Point d2);
    OverloadedModFunc overloaded(int a3, bool b3, int c3 = 123, int d3 = 456);
    OverloadedModFunc overloaded(int a4, bool b4, Point c4, Point d4);

    void argRemoval0(int a0, bool a1, int a2 = 123, int a3 = 456);
    void argRemoval0(int a0, bool a1, int a2, bool a3);

    void argRemoval1(int a0, bool a1, Point a2 = Point(1, 2), Point a3 = Point(3, 4),
                     int a4 = 333);
    void argRemoval1(int a0, bool a1, int a2, bool a3);

    void argRemoval2(int a0, bool a1, Point a2 = Point(1, 2), Point a3 = Point(3, 4),
                     int a4 = 333);

    void argRemoval3(int a0, Point a1 = Point(1, 2), bool a2 = true, Point a3 = Point(3, 4),
                     int a4 = 333);

    void argRemoval4(int a0, Point a1, bool a2, Point a3 = Point(3, 4), int a4 = 333);

    void argRemoval5(int a0, bool a1, Point a2 = Point(1, 2), Point a3 = Point(3, 4),
                     int a4 = 333);
    void argRemoval5(int a0, bool a1, int a2, bool a3);

    // 'ok' must be removed and the return value will be changed
    // to a tuple (PyObject*) containing the expected result plus
    // the 'ok' value as a Python boolean
    std::pair<double, double> pointToPair(Point pt, bool *ok);

    // same as 'pointToPair' except that this time 'ok' is the first argument
    double multiplyPointCoordsPlusValue(bool *ok, Point pt, double value);

    // completely remove 'plus' from the Python side
    int doublePlus(int value, int plus = 0);

    // the default value for both arguments must be changed in Python
    int power(int base = 1, int exponent = 0);

    // in Python set argument default value to 10
    int timesTen(int number);

    // in Python remove the argument default value
    int increment(int number = 0);

    // don't export this method to Python
    void exclusiveCppStuff();

    // change the name of this regular method
    int cppMultiply(int a, int b);

    // change the name of this virtual method
    virtual const char *className();

    Point sumPointArray(int arraySize, const Point pointArray[]);

    // Replace 'const void*' by 'ByteArray&'.
    int getSize(const void *data, int size);

    // Mark the argument with a <no-null-pointer/> tag;
    // the test implementation must expect point never to be null.
    int sumPointCoordinates(const Point *point);

    // Modify the return value of a virtual method.
    virtual double differenceOfPointCoordinates(const Point *pt, bool *ok);
    double callDifferenceOfPointCoordinates(const Point *pt, bool *ok)
    { return differenceOfPointCoordinates(pt, ok); }

    // Sets an ObjectType in the argument and returns true.
    bool nonConversionRuleForArgumentWithDefaultValue(ObjectType **object = nullptr);
    ObjectType *getObject() const { return m_object; }

    // Inject code with a %CONVERTTOPYTHON that receives an user's primitive type.
    static inline OddBool passOddBool(OddBool ob) { return ob; }

    void setEnumValue(TestEnum e = TestEnumValue1);
    TestEnum enumValue() const;
    TestEnum defaultEnumValue() const;

    bool wasGetAttroCalled() const;
    void notifyGetAttroCalled();

    bool wasSetAttroCalled() const;
    void notifySetAttroCalled();

private:
    ObjectType *m_object;
    TestEnum m_enumValue = TestEnumValue1;
    bool m_getAttroCalled = false;
    bool m_setAttroCalled = false;
};

class LIBSAMPLE_API AbstractModifications : public Modifications
{
public:
    AbstractModifications() noexcept = default;
    ~AbstractModifications() override = default;

    inline bool invert(bool value) { return !value; }

    // completely remove this method in Python
    virtual void pointlessPureVirtualMethod() = 0;
};

#endif // MODIFICATIONS_H
