import pickle
from logging import Logger

from redis.asyncio import Redis as RedisClient

from config import RedisConfig


class Redis:
    def __init__(self, logger: Logger, config: RedisConfig, rootKeyName: str) -> None:
        self.client: RedisClient = RedisClient(
            host=config.host,
            port=config.port,
            password=config.password,
            auto_close_connection_pool=False,
        )
        self.rootKeyName = rootKeyName
        self.logger = logger

    async def get(self, context: str, key: str):
        self.logger.info(f"get value {key} from redis")
        value = await self.client.get(f"{self.rootKeyName}:{context}:{key}")
        if value:
            return pickle.loads(value)
        return None

    async def set(self, context: str, key: str, value) -> None:
        self.logger.info(f"set value {key} to redis")
        await self.client.set(
            f"{self.rootKeyName}:{context}:{key}", pickle.dumps(value)
        )

    async def close(self) -> None:
        await self.client.close()