"""External service adapters for System Health."""

from collections.abc import Callable

import redis

from app.config import settings


RedisFactory = Callable[[], redis.Redis]


def default_redis_factory() -> redis.Redis:
    return redis.Redis.from_url(
        settings.redis_url,
        socket_connect_timeout=2,
        socket_timeout=2,
    )


class RedisHealthAdapter:
    def __init__(self, factory: RedisFactory | None = None):
        self._factory = factory or default_redis_factory

    def ping(self) -> bool:
        try:
            return bool(self._factory().ping())
        except Exception:
            return False