from datetime import timedelta
from typing import Any, Union

from cachetools import TTLCache

from skyvern.forge.sdk.cache.base import CACHE_EXPIRE_TIME, MAX_CACHE_ITEM, BaseCache


class LocalCache(BaseCache):
    def __init__(self) -> None:
        self.cache: TTLCache = TTLCache(maxsize=MAX_CACHE_ITEM, ttl=CACHE_EXPIRE_TIME.total_seconds())

    async def get(self, key: str) -> Any:
        if key not in self.cache:
            return None
        value = self.cache[key]
        return value

    async def set(self, key: str, value: Any, ex: Union[int, timedelta, None] = CACHE_EXPIRE_TIME) -> None:
        self.cache[key] = value