# SGR color constants
# rene-d 2018, modified 2025 for background support

class Colours:
    """ ANSI color codes """

    # Foreground colours
    BLACK = "\033[0;30m"
    RED = "\033[0;31m"
    GREEN = "\033[0;32m"
    BROWN = "\033[0;33m"
    BLUE = "\033[0;34m"
    PURPLE = "\033[0;35m"
    CYAN = "\033[0;36m"
    LIGHT_GRAY = "\033[0;37m"
    DARK_GRAY = "\033[1;30m"
    LIGHT_RED = "\033[1;31m"
    LIGHT_GREEN = "\033[1;32m"
    YELLOW = "\033[1;33m"
    LIGHT_BLUE = "\033[1;34m"
    LIGHT_PURPLE = "\033[1;35m"
    LIGHT_CYAN = "\033[1;36m"
    LIGHT_WHITE = "\033[1;37m"

    # Background colours
    BG_BLACK = "\033[40m"
    BG_RED = "\033[41m"
    BG_GREEN = "\033[42m"
    BG_YELLOW = "\033[43m"
    BG_BLUE = "\033[44m"
    BG_PURPLE = "\033[45m"
    BG_CYAN = "\033[46m"
    BG_LIGHT_GRAY = "\033[47m"
    BG_DARK_GRAY = "\033[100m"
    BG_LIGHT_RED = "\033[101m"
    BG_LIGHT_GREEN = "\033[102m"
    BG_LIGHT_YELLOW = "\033[103m"
    BG_LIGHT_BLUE = "\033[104m"
    BG_LIGHT_PURPLE = "\033[105m"
    BG_LIGHT_CYAN = "\033[106m"
    BG_WHITE = "\033[107m"

    # Styles
    BOLD = "\033[1m"
    FAINT = "\033[2m"
    ITALIC = "\033[3m"
    UNDERLINE = "\033[4m"
    BLINK = "\033[5m"
    NEGATIVE = "\033[7m"
    CROSSED = "\033[9m"
    END = "\033[0m"

    # Cancel codes if not in a TTY
    import sys, platform, ctypes
    if not sys.stdout.isatty():
        for _ in dir():
            if isinstance(_, str) and _[0] != "_":
                locals()[_] = ""
    else:
        if platform.system() == "Windows":
            kernel32 = ctypes.windll.kernel32
            kernel32.SetConsoleMode(kernel32.GetStdHandle(-11), 7)
            del kernel32


if __name__ == '__main__':
    for i in dir(Colours):
        if i[0:1] != "_" and i != "END":
            print("{:>20} {}".format(i, getattr(Colours, i) + i + Colours.END))