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, difficulty: str, second_topic: Optional[str] = None):
        pass

    @abstractmethod
    async def save_speaking(self, data, background_tasks: BackgroundTasks):
        pass

    @abstractmethod
    async def generate_video(
            self, part: int, avatar: str, topic: str, questions: list[str],
            *,
            second_topic: Optional[str] = None,
            prompts: Optional[list[str]] = None,
            suffix: Optional[str] = None,
    ):
        pass