import redis
from app.config import get_settings

settings = get_settings()

_redis_client = None


def get_redis() -> redis.Redis:
    global _redis_client
    if _redis_client is None:
        _redis_client = redis.Redis(
            host=settings.REDIS_HOST,
            port=settings.REDIS_PORT,
            password=settings.REDIS_PASSWORD,
            db=settings.REDIS_DB,
            decode_responses=True,
        )
    return _redis_client