import json
from services.rediscache import redis
from servies.notifier import notification_service


# Каналы для прослушивания
channels = ["reaction", "shout"]
pubsubs = []


def create_notification_channel(redis_conn, channel_name):
    pubsub = redis_conn.pubsub()
    pubsub.subscribe(channel_name)
    return pubsub


def close_notification_channel(pubsub):
    pubsub.unsubscribe()
    pubsub.close()


def start():
    # Подписка на каналы
    pubsubs = [create_notification_channel(redis_conn, channel) for channel in channels]

    try:
        # Бесконечный цикл прослушивания
        while True:
            for pubsub in pubsubs:
                msg = pubsub.get_message()
                notification_service.handle_reaction(msg["data"])

    except Exception:
        pass
    finally:
        # Отписка от каналов при завершении
        for pubsub in pubsubs:
            close_notification_channel(pubsub)


def stop():
    for pubsub in pubsubs:
        close_notification_channel(pubsub)