from typing import Protocol
from abc import abstractmethod
from card import Card

class Scheduler(Protocol):
    @abstractmethod
    def __init__(self, cards: dict[int, Card], state: dict): raise NotImplementedError

    @abstractmethod
    def practice(self, size: int) -> list[int]: raise NotImplementedError

    @abstractmethod
    def test(self, size: int) -> list[int]: raise NotImplementedError

    @abstractmethod
    def update(self, results: dict[int, int]) -> None: raise NotImplementedError

    @abstractmethod
    def getState(self) -> dict: raise NotImplementedError

SCHEDULERS = ["brutal"]

def getSchedulerClass(name: str) -> Scheduler:
    match name:
        case "brutal":
            from scheduler_brutal import SchedulerBrutal
            return SchedulerBrutal
        case _:
            raise Exception(f"Unknown scheduler: {name}")