from aioredis import Redis
from typing import Sequence


class AutoJoin:
    @staticmethod
    async def get_channels(redis: Redis) -> Sequence[tuple]:
        # return all channels
        channels = await redis.hgetall(name="autojoin")
        return {key: value.split("-") for key, value in channels.items()}

    @staticmethod
    async def update_channel(redis: Redis, guild_id, voicechannel_id, textchannel_id):
        await redis.hset(
            name="autojoin", key=guild_id, value=f"{voicechannel_id}-{textchannel_id}"
        )

    @staticmethod
    async def del_channel(redis: Redis, guild_id):
        await redis.hdel("autojoin", guild_id)