from __future__ import annotations

from abc import ABC, abstractmethod

from openhands.core.config.app_config import AppConfig
from openhands.server.settings import Settings


class SettingsStore(ABC):
    """
    Storage for ConversationInitData. May or may not support multiple users depending on the environment
    """

    @abstractmethod
    async def load(self) -> Settings | None:
        """Load session init data"""

    @abstractmethod
    async def store(self, settings: Settings):
        """Store session init data"""

    @classmethod
    @abstractmethod
    async def get_instance(
        cls, config: AppConfig, user_id: str | None
    ) -> SettingsStore:
        """Get a store for the user represented by the token given"""