from abc import abstractmethod, ABC
from typing import Union, List, Dict

from fastapi import BackgroundTasks

from app.dtos.evaluation import EvaluationType

class IEvaluationService(ABC):

    @abstractmethod
    async def create_evaluation(
        self,
        user_id: str,
        session_id: str,
        exercise_id: str,
        eval_type: EvaluationType,
        task: int
    ):
        pass

    @abstractmethod
    async def begin_evaluation(
        self,
        user_id: str, session_id: str, task: int,
        exercise_id: str, exercise_type: str,
        solution: any,
        background_tasks: BackgroundTasks
    ):
        pass

    @abstractmethod
    async def get_evaluations(self, session_id: str, status: str) -> List[Dict]:
        pass