from collections.abc import Awaitable, Callable
from dataclasses import dataclass, field


@dataclass
class Plugin:
    id: str
    title: str
    description: str = ""
    skeleton_fn: Callable[[], Awaitable[str]] | None = field(default=None)
    open_fn: Callable[[], Awaitable[None]] | None = field(default=None)
    close_fn: Callable[[], Awaitable[None]] | None = field(default=None)

    async def skeleton(self) -> str:
        if self.skeleton_fn is None:
            raise NotImplementedError
        return await self.skeleton_fn()

    async def open(self) -> None:
        if self.open_fn is not None:
            await self.open_fn()

    async def close(self) -> None:
        if self.close_fn is not None:
            await self.close_fn()