from dialogue_state import default_state


# Monitor stanu dialogu
class DST:
    def __init__(self):
        self.state = default_state()

    def update(self, user_act=None):
        for intent, domain, slot, value in user_act:
            domain = domain.lower()
            intent = intent.lower()
            slot = slot.lower()

            k = slot

            if 'inform' in intent:

                if k is None:
                    continue

                domain_dic = self.state['belief_state'][domain]

                if k in domain_dic['semi']:
                    self.state['belief_state'][domain]['semi'][k] = value
                elif k in domain_dic['book']:
                    self.state['belief_state'][domain]['book'][k] = value

            if 'request' in intent:

                if domain not in self.state['request_state']:
                    self.state['request_state'][domain] = {}
                if k not in self.state['request_state'][domain]:
                    self.state['request_state'][domain][k] = 0

            self.state['user_action'].append([intent, domain, slot, value])

        return self.state

    def init_session(self):
        self.state = default_state()


# Przykładowe uruchomienie dla kodu w izolacji
"""
dst = DST()
print(dst.state)

dst.update([['hello_inform', 'Cinema', 'Price', '15 zł'], ['Inform', 'Cinema', 'Movie', 'Batman']])
print(dst.state)
"""