from abc import ABC, abstractmethod
from typing import Optional

from fastapi import BackgroundTasks


class ISpeakingController(ABC):

    @abstractmethod
    async def get_speaking_part(self, task: int, topic: str, second_topic: str, difficulty: str):
        pass

    @abstractmethod
    async def get_avatars(self):
        pass

    @abstractmethod
    async def generate_video(self, text: str, avatar: Optional[str]):
        pass

    @abstractmethod
    async def pool_video(self, vid_id: str):
        pass