import abc

from django.utils.translation import ugettext_lazy as _


class BaseMFA(abc.ABC):
    placeholder = _('Please input security code')

    def __init__(self, user):
        """
        :param user:  Authenticated user, Anonymous or None
        因为首页登录时，可能没法获取到一些状态
        """
        self.user = user

    def is_authenticated(self):
        return self.user and self.user.is_authenticated

    @property
    @abc.abstractmethod
    def name(self):
        return ''

    @property
    @abc.abstractmethod
    def display_name(self):
        return ''

    @staticmethod
    def challenge_required():
        return False

    def send_challenge(self):
        pass

    @abc.abstractmethod
    def check_code(self, code) -> tuple:
        return False, 'Error msg'

    @abc.abstractmethod
    def is_active(self):
        return False

    @staticmethod
    @abc.abstractmethod
    def global_enabled():
        return False

    @abc.abstractmethod
    def get_enable_url(self) -> str:
        return ''

    @abc.abstractmethod
    def get_disable_url(self) -> str:
        return ''

    @abc.abstractmethod
    def disable(self):
        pass

    @abc.abstractmethod
    def can_disable(self) -> bool:
        return True

    @staticmethod
    def help_text_of_enable():
        return ''

    @staticmethod
    def help_text_of_disable():
        return ''