default_debug_name = "*default*"
debug_activated = set()


def my_debug(*args, check_started=None):
    """
    Write one line per arg in 'debug.txt'
    :param args:
    :param check_started:
        True : first check if start_debug() was called
        <name> : first check if start_debug(name) was called
        list of <names> : first check if start_debug() is called for all names
    :return:
    """
    if check_started and default_debug_name not in debug_activated:
        return

    if isinstance(check_started, str) and check_started not in debug_activated:
        return

    if isinstance(check_started, list):
        for debug_name in check_started:
            if debug_name not in debug_activated:
                return

    # with open("debug.txt", "a") as f:
    #     for arg in args:
    #         if isinstance(arg, list):
    #             for item in arg:
    #                 f.write(f"{item}\n")
    #         else:
    #             f.write(f"{arg}\n")


def start_debug(debug_name=default_debug_name, msg=None):
    debug_activated.add(debug_name)
    if msg:
        with open("debug.txt", "a") as f:
            f.write(f"{msg}\n")


def stop_debug(debug_name=default_debug_name, msg=None):
    if msg:
        with open("debug.txt", "a") as f:
            f.write(f"{msg}\n")
    debug_activated.remove(debug_name)