from typing import Dict

import random

commands: Dict = {}


def command(*commandlist):
    def add_command(function):
        for command in commandlist:
            commands[command] = function
        return function
    return add_command


def handle_command(kwargs):
    c = kwargs['message'].split()[0]

    if c in commands:
        commands[c](kwargs)
    else:
        error_response(kwargs)


@command('/roll')
def custom_roll(kwargs):
    print(f'/roll received {kwargs}')


def error_response(kwargs):
    print(f'Error, received unknown command: {kwargs}')