# coding=utf-8

from support.config import config


def enable_channel_wrapper(func):
    """
    returns the original wrapper :func: (route or handler) if applicable, else the plain to-be-wrapped function
    :param func: original wrapper
    :return: original wrapper or wrapped function
    """
    def noop(*args, **kwargs):
        def inner(*a, **k):
            """
            :param a: args
            :param k: kwargs
            :return: originally to-be-wrapped function
            """
            return a[0]

        return inner

    def wrap(*args, **kwargs):
        enforce_route = kwargs.pop("enforce_route", None)
        return (func if (config.enable_channel or enforce_route) else noop)(*args, **kwargs)

    return wrap