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#ifndef SBKENUM_H
#define SBKENUM_H

#include "sbkpython.h"
#include "shibokenmacros.h"

extern "C"
{

extern LIBSHIBOKEN_API PyTypeObject *SbkEnumType_TypeF(void);
struct SbkObjectType;
struct SbkConverter;
struct SbkEnumType;
struct SbkEnumTypePrivate;

} // extern "C"

namespace Shiboken
{

inline bool isShibokenEnum(PyObject* pyObj)
{
    return Py_TYPE(Py_TYPE(pyObj)) == SbkEnumType_TypeF();
}

namespace Enum
{
    LIBSHIBOKEN_API bool check(PyObject* obj);
    /**
     *  Creates a new enum type (and its flags type, if any is given)
     *  and registers it to Python and adds it to \p module.
     *  \param module       Module to where the new enum type will be added.
     *  \param name         Name of the enum.
     *  \param fullName     Name of the enum that includes all scope information (e.g.: "module.Enum").
     *  \param cppName      Full qualified C++ name of the enum.
     *  \param flagsType    Optional Python type for the flags associated with the enum.
     *  \return The new enum type or NULL if it fails.
     */
    LIBSHIBOKEN_API PyTypeObject* createGlobalEnum(PyObject* module,
                                                   const char* name,
                                                   const char* fullName,
                                                   const char* cppName,
                                                   PyTypeObject* flagsType = 0);
    /// This function does the same as createGlobalEnum, but adds the enum to a Shiboken type or namespace.
    LIBSHIBOKEN_API PyTypeObject* createScopedEnum(SbkObjectType* scope,
                                                   const char* name,
                                                   const char* fullName,
                                                   const char* cppName,
                                                   PyTypeObject* flagsType = 0);

    /**
     *  Creates a new enum item for a given enum type and adds it to \p module.
     *  \param enumType  Enum type to where the new enum item will be added.
     *  \param module    Module to where the enum type of the new enum item belongs.
     *  \param itemName  Name of the enum item.
     *  \param itemValue Numerical value of the enum item.
     *  \return true if everything goes fine, false if it fails.
     */
    LIBSHIBOKEN_API bool createGlobalEnumItem(PyTypeObject* enumType, PyObject* module, const char* itemName, long itemValue);
    /// This function does the same as createGlobalEnumItem, but adds the enum to a Shiboken type or namespace.
    LIBSHIBOKEN_API bool createScopedEnumItem(PyTypeObject *enumType, PyTypeObject *scope,
                                              const char *itemName, long itemValue);
    LIBSHIBOKEN_API bool createScopedEnumItem(PyTypeObject* enumType, SbkObjectType* scope, const char* itemName, long itemValue);

    LIBSHIBOKEN_API PyObject* newItem(PyTypeObject* enumType, long itemValue, const char* itemName = 0);

    LIBSHIBOKEN_API PyTypeObject* newTypeWithName(const char* name, const char* cppName,
                                                  PyTypeObject *numbers_fromFlag=nullptr);
    LIBSHIBOKEN_API const char* getCppName(PyTypeObject* type);

    LIBSHIBOKEN_API long getValue(PyObject* enumItem);
    LIBSHIBOKEN_API PyObject* getEnumItemFromValue(PyTypeObject* enumType, long itemValue);

    /// Sets the enum's type converter.
    LIBSHIBOKEN_API void setTypeConverter(PyTypeObject* enumType, SbkConverter* converter);
    /// Returns the converter assigned to the enum \p type.
    LIBSHIBOKEN_API SbkConverter* getTypeConverter(PyTypeObject* enumType);
}

} // namespace Shiboken

#endif // SKB_PYENUM_H