local keys = {
    -- Mouse buttons
    MOUSE_BUTTON_1        = 0,
    MOUSE_BUTTON_2        = 1,
    MOUSE_BUTTON_3        = 2,
    MOUSE_BUTTON_4        = 3,
    MOUSE_BUTTON_5        = 4,
    MOUSE_BUTTON_6        = 5,
    MOUSE_BUTTON_7        = 6,
    MOUSE_BUTTON_8        = 7,
    MOUSE_BUTTON_LAST     = 7,
    MOUSE_BUTTON_LEFT     = 0,
    MOUSE_BUTTON_RIGHT    = 1,
    MOUSE_BUTTON_MIDDLE   = 2,
    MOUSE_BUTTON_XBUTTON1 = 4,
    MOUSE_BUTTON_XBUTTON2 = 5,
    -- Keyboard buttons
    KEY_SPACE             = 32,
    KEY_APOSTROPHE        = 39,
    KEY_COMMA             = 44,
    KEY_MINUS             = 45,
    KEY_PERIOD            = 46,
    KEY_SLASH             = 47,
    KEY_0                 = 48,
    KEY_1                 = 49,
    KEY_2                 = 50,
    KEY_3                 = 51,
    KEY_4                 = 52,
    KEY_5                 = 53,
    KEY_6                 = 54,
    KEY_7                 = 55,
    KEY_8                 = 56,
    KEY_9                 = 57,
    KEY_SEMICOLON         = 59,
    KEY_EQUAL             = 61,
    KEY_A                 = 65,
    KEY_B                 = 66,
    KEY_C                 = 67,
    KEY_D                 = 68,
    KEY_E                 = 69,
    KEY_F                 = 70,
    KEY_G                 = 71,
    KEY_H                 = 72,
    KEY_I                 = 73,
    KEY_J                 = 74,
    KEY_K                 = 75,
    KEY_L                 = 76,
    KEY_M                 = 77,
    KEY_N                 = 78,
    KEY_O                 = 79,
    KEY_P                 = 80,
    KEY_Q                 = 81,
    KEY_R                 = 82,
    KEY_S                 = 83,
    KEY_T                 = 84,
    KEY_U                 = 85,
    KEY_V                 = 86,
    KEY_W                 = 87,
    KEY_X                 = 88,
    KEY_Y                 = 89,
    KEY_Z                 = 90,
    KEY_LEFT_BRACKET      = 91,
    KEY_BACKSLASH         = 92,
    KEY_RIGHT_BRACKET     = 93,
    KEY_GRAVE_ACCENT      = 96,
    KEY_WORLD_1           = 161,
    KEY_WORLD_2           = 162,
    KEY_ESCAPE            = 256,
    KEY_ENTER             = 257,
    KEY_TAB               = 258,
    KEY_BACKSPACE         = 259,
    KEY_INSERT            = 260,
    KEY_DELETE            = 261,
    KEY_RIGHT             = 262,
    KEY_LEFT              = 263,
    KEY_DOWN              = 264,
    KEY_UP                = 265,
    KEY_PAGE_UP           = 266,
    KEY_PAGE_DOWN         = 267,
    KEY_HOME              = 268,
    KEY_END               = 269,
    KEY_CAPS_LOCK         = 280,
    KEY_SCROLL_LOCK       = 281,
    KEY_NUM_LOCK          = 282,
    KEY_PRINT_SCREEN      = 283,
    KEY_PAUSE             = 284,
    KEY_F1                = 290,
    KEY_F2                = 291,
    KEY_F3                = 292,
    KEY_F4                = 293,
    KEY_F5                = 294,
    KEY_F6                = 295,
    KEY_F7                = 296,
    KEY_F8                = 297,
    KEY_F9                = 298,
    KEY_F10               = 299,
    KEY_F11               = 300,
    KEY_F12               = 301,
    KEY_F13               = 302,
    KEY_F14               = 303,
    KEY_F15               = 304,
    KEY_F16               = 305,
    KEY_F17               = 306,
    KEY_F18               = 307,
    KEY_F19               = 308,
    KEY_F20               = 309,
    KEY_F21               = 310,
    KEY_F22               = 311,
    KEY_F23               = 312,
    KEY_F24               = 313,
    KEY_F25               = 314,
    KEY_KP_0              = 320,
    KEY_KP_1              = 321,
    KEY_KP_2              = 322,
    KEY_KP_3              = 323,
    KEY_KP_4              = 324,
    KEY_KP_5              = 325,
    KEY_KP_6              = 326,
    KEY_KP_7              = 327,
    KEY_KP_8              = 328,
    KEY_KP_9              = 329,
    KEY_KP_DECIMAL        = 330,
    KEY_KP_DIVIDE         = 331,
    KEY_KP_MULTIPLY       = 332,
    KEY_KP_SUBTRACT       = 333,
    KEY_KP_ADD            = 334,
    KEY_KP_ENTER          = 335,
    KEY_KP_EQUAL          = 336,
    KEY_LEFT_SHIFT        = 340,
    KEY_LEFT_CONTROL      = 341,
    KEY_LEFT_ALT          = 342,
    KEY_LEFT_SUPER        = 343,
    KEY_RIGHT_SHIFT       = 344,
    KEY_RIGHT_CONTROL     = 345,
    KEY_RIGHT_ALT         = 346,
    KEY_RIGHT_SUPER       = 347,
    KEY_MENU              = 348,
    KEY_LAST              = 348
}

local names = {
    -- Mouse Buttons
    [keys.MOUSE_BUTTON_LEFT] = 'Left Button',
    [keys.MOUSE_BUTTON_RIGHT] = 'Right Button',
    [keys.MOUSE_BUTTON_1] = 'Left Button',
    [keys.MOUSE_BUTTON_2] = 'Right Button',
    [keys.MOUSE_BUTTON_XBUTTON1] = 'X Button 1',
    [keys.MOUSE_BUTTON_XBUTTON2] = 'X Button 2',
    [keys.MOUSE_BUTTON_MIDDLE] = 'Middle Button',
    [keys.MOUSE_BUTTON_3] = 'Middle Button',
    [keys.MOUSE_BUTTON_4] = 'X Button 1',
    [keys.MOUSE_BUTTON_5] = 'X Button 2',
    [keys.MOUSE_BUTTON_6] = 'X Button 3',
    [keys.MOUSE_BUTTON_7] = 'X Button 4',
    [keys.MOUSE_BUTTON_8] = 'X Button 5',
    [keys.MOUSE_BUTTON_LAST] = 'X Button 5',
    -- Keyboard
    [keys.KEY_SPACE] = 'Space',
    [keys.KEY_COMMA] = ',',
    [keys.KEY_MINUS] = '-',
    [keys.KEY_PERIOD] = '.',
    [keys.KEY_SLASH] = '/',
    [keys.KEY_0] = '0',
    [keys.KEY_1] = '1',
    [keys.KEY_2] = '2',
    [keys.KEY_3] = '3',
    [keys.KEY_4] = '4',
    [keys.KEY_5] = '5',
    [keys.KEY_6] = '6',
    [keys.KEY_7] = '7',
    [keys.KEY_8] = '8',
    [keys.KEY_9] = '9',
    [keys.KEY_9] = '9',
    [keys.KEY_SEMICOLON] = ';',
    [keys.KEY_EQUAL] = '=',
    [keys.KEY_A] = 'A',
    [keys.KEY_B] = 'B',
    [keys.KEY_C] = 'C',
    [keys.KEY_D] = 'D',
    [keys.KEY_E] = 'E',
    [keys.KEY_F] = 'F',
    [keys.KEY_G] = 'G',
    [keys.KEY_H] = 'H',
    [keys.KEY_I] = 'I',
    [keys.KEY_J] = 'J',
    [keys.KEY_K] = 'K',
    [keys.KEY_L] = 'L',
    [keys.KEY_M] = 'M',
    [keys.KEY_N] = 'N',
    [keys.KEY_O] = 'O',
    [keys.KEY_P] = 'P',
    [keys.KEY_Q] = 'Q',
    [keys.KEY_R] = 'R',
    [keys.KEY_S] = 'S',
    [keys.KEY_T] = 'T',
    [keys.KEY_U] = 'U',
    [keys.KEY_V] = 'V',
    [keys.KEY_W] = 'W',
    [keys.KEY_X] = 'X',
    [keys.KEY_Y] = 'Y',
    [keys.KEY_Z] = 'Z',
    [keys.KEY_LEFT_BRACKET] = '[',
    [keys.KEY_BACKSLASH] = '\\',
    [keys.KEY_GRAVE_ACCENT] = '`',
    [keys.KEY_WORLD_1] = '',
    [keys.KEY_WORLD_2] = '',
    [keys.KEY_ESCAPE] = 'Escape',
    [keys.KEY_ENTER] = 'Enter',
    [keys.KEY_TAB] = 'Tab',
    [keys.KEY_BACKSPACE] = 'Back Space',
    [keys.KEY_INSERT] = 'Insert',
    [keys.KEY_DELETE] = 'Delete',
    [keys.KEY_RIGHT] = 'Arrow Right',
    [keys.KEY_LEFT] = 'Arrow Left',
    [keys.KEY_DOWN] = 'Arrow Down',
    [keys.KEY_UP] = 'Arrow Up',
    [keys.KEY_PAGE_UP] = 'Page Up',
    [keys.KEY_PAGE_DOWN] = 'Page Down',
    [keys.KEY_HOME] = 'Home',
    [keys.KEY_END] = 'End',
    [keys.KEY_CAPS_LOCK] = 'Caps Lock',
    [keys.KEY_SCROLL_LOCK] = 'Scroll Lock',
    [keys.KEY_NUM_LOCK] = 'Num Lock',
    [keys.KEY_PRINT_SCREEN] = 'Print Screen',
    [keys.KEY_PAUSE] = 'Pause',
    -- F
    [keys.KEY_F1] = 'F1',
    [keys.KEY_F2] = 'F2',
    [keys.KEY_F3] = 'F3',
    [keys.KEY_F4] = 'F4',
    [keys.KEY_F5] = 'F5',
    [keys.KEY_F6] = 'F6',
    [keys.KEY_F7] = 'F7',
    [keys.KEY_F8] = 'F8',
    [keys.KEY_F9] = 'F9',
    [keys.KEY_F10] = 'F10',
    [keys.KEY_F11] = 'F11',
    [keys.KEY_F12] = 'F12',
    [keys.KEY_F13] = 'F13',
    [keys.KEY_F14] = 'F14',
    [keys.KEY_F15] = 'F15',
    [keys.KEY_F16] = 'F16',
    [keys.KEY_F17] = 'F17',
    [keys.KEY_F18] = 'F18',
    [keys.KEY_F19] = 'F19',
    [keys.KEY_F20] = 'F20',
    [keys.KEY_F21] = 'F21',
    [keys.KEY_F22] = 'F22',
    [keys.KEY_F23] = 'F23',
    [keys.KEY_F24] = 'F24',
    [keys.KEY_F25] = 'F25',
    -- Numpad numbers
    [keys.KEY_KP_0] = 'Numpad 0',
    [keys.KEY_KP_1] = 'Numpad 1',
    [keys.KEY_KP_2] = 'Numpad 2',
    [keys.KEY_KP_3] = 'Numpad 3',
    [keys.KEY_KP_4] = 'Numpad 4',
    [keys.KEY_KP_5] = 'Numpad 5',
    [keys.KEY_KP_6] = 'Numpad 6',
    [keys.KEY_KP_7] = 'Numpad 7',
    [keys.KEY_KP_8] = 'Numpad 8',
    [keys.KEY_KP_9] = 'Numpad 9',
    [keys.KEY_KP_DECIMAL] = 'Numpad .',
    [keys.KEY_KP_DIVIDE] = 'Numpad /',
    [keys.KEY_KP_MULTIPLY] = 'Numpad *',
    [keys.KEY_KP_SUBTRACT] = 'Numpad -',
    [keys.KEY_KP_ADD] = 'Numpad +',
    [keys.KEY_KP_ENTER] = 'Numpad Enter',
    [keys.KEY_KP_EQUAL] = 'Numpad =',
    [keys.KEY_LEFT_SHIFT] = 'Left Shift',
    [keys.KEY_LEFT_CONTROL] = 'Left Control',
    [keys.KEY_LEFT_ALT] = 'Left Alt',
    [keys.KEY_LEFT_SUPER] = 'Left Super',
    [keys.KEY_RIGHT_SHIFT] = 'Right Shift',
    [keys.KEY_RIGHT_CONTROL] = 'Right Control',
    [keys.KEY_RIGHT_ALT] = 'Right Alt',
    [keys.KEY_RIGHT_SUPER] = 'Right Super',
    [keys.KEY_MENU] = 'Menu',
    [keys.KEY_LAST] = 'Menu',
}

keys.key_names = names

--- @param vkey string
--- @return string
function keys.id_to_name(vkey)
    local name = names[vkey]
    if type(name) == 'table' then
        return name[1]
    end
    return name
end

--- @param keyname string
--- @param case_sensitive boolean
--- @return number?
function keys.name_to_id(keyname, case_sensitive)
    if not case_sensitive then
        keyname = string.upper(keyname)
    end
    for id, v in pairs(names) do
        if type(v) == 'table' then
            for _, v2 in pairs(v) do
                v2 = (case_sensitive) and v2 or string.upper(v2)
                if v2 == keyname then
                    return id
                end
            end
        else
            local name = (case_sensitive) and v or string.upper(v)
            if name == keyname then
                return id
            end
        end
    end
    return nil
end

return keys