from abc import ABC, abstractmethod
from typing import Any, Dict


class BaseVideoBackend(ABC):
    backend_name: str
    model_name: str

    @abstractmethod
    def load(self) -> None:
        raise NotImplementedError

    @abstractmethod
    def is_loaded(self) -> bool:
        raise NotImplementedError

    @abstractmethod
    def generate(self, task_id: str, request_data: Dict[str, Any], output_dir: str) -> Dict[str, str]:
        raise NotImplementedError