from enum import Enum

class Questions(Enum):
    TIME = "time"
    REPO = "repo"
    NONE = "none"

def taktyka_dialogu(frame):
    return questions(frame)
    # TODO inna taktyka


def questions(frame):
    for slot in frame['slots']:

        if slot[0] == "time_when" and slot[1] == None:
            return Questions.TIME

        if slot[0] == "repo" and (slot[1] == None or slot[1] == ""):
            return Questions.REPO

    return Questions.NONE