from abc import ABC, abstractmethod
from typing import List, Optional

from app.core.models import GroupSummary, UserSummary


class SystemProvider(ABC):
    @abstractmethod
    def create_user(self, username: str, password_hash: str, home_dir: Optional[str], linked_home_dir: Optional[str], shell: str, primary_group: Optional[str], groups: List[str]) -> None:
        raise NotImplementedError

    @abstractmethod
    def delete_user(self, username: str) -> None:
        raise NotImplementedError

    @abstractmethod
    def change_user_password(self, username: str, password_hash: str) -> None:
        raise NotImplementedError

    @abstractmethod
    def list_users(self) -> List[UserSummary]:
        raise NotImplementedError

    @abstractmethod
    def get_user(self, username: str) -> UserSummary:
        raise NotImplementedError

    @abstractmethod
    def create_group(self, groupname: str) -> None:
        raise NotImplementedError

    @abstractmethod
    def delete_group(self, groupname: str) -> None:
        raise NotImplementedError

    @abstractmethod
    def list_groups(self) -> List[GroupSummary]:
        raise NotImplementedError

    @abstractmethod
    def get_group(self, groupname: str) -> GroupSummary:
        raise NotImplementedError

    @abstractmethod
    def add_user_groups(self, username: str, groups: List[str], replace: bool) -> None:
        raise NotImplementedError

    @abstractmethod
    def remove_user_groups(self, username: str, groups: List[str]) -> None:
        raise NotImplementedError

    @abstractmethod
    def get_user_groups(self, username: str) -> List[str]:
        raise NotImplementedError