from __future__ import annotations

from pathlib import Path
from typing import Protocol


class StorageAdapter(Protocol):
    async def check(self) -> dict[str, str]:
        ...

    async def put_file(self, source_path: str, storage_key: str) -> dict[str, str | None]:
        ...

    async def download_file(self, storage_key: str, destination_path: Path) -> Path:
        ...

    async def object_exists(self, storage_key: str) -> bool:
        ...