from functools import wraps

from . import RedisCache


def fetch_from_cache(cache_name: str, cache_config: dict):
    cache_conn = RedisCache(cache_config["redis"])
    ttl = cache_config["ttl"]

    """
        It checks if a cached value exists for a given cache_name.
        If a cached value exists, it returns the cached value.
        If no cached value exists, it calls the original function f with the provided arguments, caches the result, and then returns the result.
    """

    def decorator(f):
        @wraps(f)
        def wrapper(*args, **kwargs):
            cached_value = cache_conn.get_value(cache_name)
            print("cached_value=", cached_value)
            if cached_value:
                return cached_value
            response = f(*args, **kwargs)
            # print("response=", response)
            cache_conn.set_value(cache_name, response, ttl)
            return response

        return wrapper

    return decorator