#include <Orange/Render/Input.h>
#include <Orange/Core/Array.h>

#include <SDL2/SDL.h>

namespace orange::Input
{
    static constexpr Array<ButtonCode, SDL_NUM_SCANCODES> s_scancodeToKey =
    []()
    {
        Array<ButtonCode, SDL_NUM_SCANCODES> scanToKey;

        for (int i = SDL_SCANCODE_A; i <= SDL_SCANCODE_Z; i++)       scanToKey[i] = ButtonCode(ButtonCodes::Key_A        + (i - SDL_SCANCODE_A));
        for (int i = SDL_SCANCODE_1; i <= SDL_SCANCODE_9; i++)       scanToKey[i] = ButtonCode(ButtonCodes::Key_1        + (i - SDL_SCANCODE_1));
        for (int i = SDL_SCANCODE_F1; i <= SDL_SCANCODE_F12; i++)    scanToKey[i] = ButtonCode(ButtonCodes::Key_F1       + (i - SDL_SCANCODE_F1));
        for (int i = SDL_SCANCODE_KP_1; i <= SDL_SCANCODE_KP_9; i++) scanToKey[i] = ButtonCode(ButtonCodes::Key_Numpad_1 + (i - SDL_SCANCODE_KP_1));

        scanToKey[SDL_SCANCODE_0]            = ButtonCodes::Key_0;
        scanToKey[SDL_SCANCODE_KP_0]         = ButtonCodes::Key_Numpad_0;
        scanToKey[SDL_SCANCODE_RETURN]       = ButtonCodes::Key_Enter;
        scanToKey[SDL_SCANCODE_ESCAPE]       = ButtonCodes::Key_Escape;
        scanToKey[SDL_SCANCODE_BACKSPACE]    = ButtonCodes::Key_Backspace;
        scanToKey[SDL_SCANCODE_TAB]          = ButtonCodes::Key_Tab;
        scanToKey[SDL_SCANCODE_SPACE]        = ButtonCodes::Key_Space;
        scanToKey[SDL_SCANCODE_MINUS]        = ButtonCodes::Key_Minus;
        scanToKey[SDL_SCANCODE_EQUALS]       = ButtonCodes::Key_Equal;
        scanToKey[SDL_SCANCODE_LEFTBRACKET]  = ButtonCodes::Key_LBracket;
        scanToKey[SDL_SCANCODE_RIGHTBRACKET] = ButtonCodes::Key_RBracket;
        scanToKey[SDL_SCANCODE_BACKSLASH]    = ButtonCodes::Key_Backslash;
        scanToKey[SDL_SCANCODE_SEMICOLON]    = ButtonCodes::Key_Semicolon;
        scanToKey[SDL_SCANCODE_APOSTROPHE]   = ButtonCodes::Key_Apostrophe;
        scanToKey[SDL_SCANCODE_GRAVE]        = ButtonCodes::Key_Backquote;
        scanToKey[SDL_SCANCODE_COMMA]        = ButtonCodes::Key_Comma;
        scanToKey[SDL_SCANCODE_PERIOD]       = ButtonCodes::Key_Period;
        scanToKey[SDL_SCANCODE_SLASH]        = ButtonCodes::Key_Slash;
        scanToKey[SDL_SCANCODE_CAPSLOCK]     = ButtonCodes::Key_CapsLock;
        scanToKey[SDL_SCANCODE_SCROLLLOCK]   = ButtonCodes::Key_ScrollLock;
        scanToKey[SDL_SCANCODE_INSERT]       = ButtonCodes::Key_Insert;
        scanToKey[SDL_SCANCODE_HOME]         = ButtonCodes::Key_Home;
        scanToKey[SDL_SCANCODE_PAGEUP]       = ButtonCodes::Key_PageUp;
        scanToKey[SDL_SCANCODE_DELETE]       = ButtonCodes::Key_Delete;
        scanToKey[SDL_SCANCODE_END]          = ButtonCodes::Key_End;
        scanToKey[SDL_SCANCODE_PAGEDOWN]     = ButtonCodes::Key_PageDown;
        scanToKey[SDL_SCANCODE_RIGHT]        = ButtonCodes::Key_Right;
        scanToKey[SDL_SCANCODE_LEFT]         = ButtonCodes::Key_Left;
        scanToKey[SDL_SCANCODE_DOWN]         = ButtonCodes::Key_Down;
        scanToKey[SDL_SCANCODE_UP]           = ButtonCodes::Key_Up;
        scanToKey[SDL_SCANCODE_NUMLOCKCLEAR] = ButtonCodes::Key_NumLock;
        scanToKey[SDL_SCANCODE_KP_DIVIDE]    = ButtonCodes::Key_Numpad_Divide;
        scanToKey[SDL_SCANCODE_KP_MULTIPLY]  = ButtonCodes::Key_Numpad_Multiply;
        scanToKey[SDL_SCANCODE_KP_MINUS]     = ButtonCodes::Key_Numpad_Minus;
        scanToKey[SDL_SCANCODE_KP_PLUS]      = ButtonCodes::Key_Numpad_Plus;
        scanToKey[SDL_SCANCODE_KP_ENTER]     = ButtonCodes::Key_Numpad_Enter;
        scanToKey[SDL_SCANCODE_KP_PERIOD]    = ButtonCodes::Key_Numpad_Decimal;
        scanToKey[SDL_SCANCODE_APPLICATION]  = ButtonCodes::Key_App;
        scanToKey[SDL_SCANCODE_LCTRL]        = ButtonCodes::Key_LControl;
        scanToKey[SDL_SCANCODE_LSHIFT]       = ButtonCodes::Key_LShift;
        scanToKey[SDL_SCANCODE_LALT]         = ButtonCodes::Key_LAlt;
        scanToKey[SDL_SCANCODE_LGUI]         = ButtonCodes::Key_LSuper;
        scanToKey[SDL_SCANCODE_RCTRL]        = ButtonCodes::Key_RControl;
        scanToKey[SDL_SCANCODE_RSHIFT]       = ButtonCodes::Key_RShift;
        scanToKey[SDL_SCANCODE_RALT]         = ButtonCodes::Key_RAlt;
        scanToKey[SDL_SCANCODE_RGUI]         = ButtonCodes::Key_RSuper;

        return scanToKey;
    }();

    ButtonCode SDLScancodeToButton(int scancode)
    {
        return s_scancodeToKey[scancode];
    }
}