from redis import from_url, ConnectionPool, Redis

# Set up Redis connection for Flask-Limiter
def setup_redis(app):
    try:
        pool = ConnectionPool.from_url(app.config['REDIS_URL'])
        redis_connection = Redis(connection_pool=pool)
        redis_connection.ping()
        app.logger.info("Connected to Redis")
        # Return the redis_connection to be used elsewhere
        return redis_connection
    except Exception as e:
        app.logger.error(f"Failed to connect to Redis: {str(e)}")
        return None