"""
    InvitePolicy class:
        InvitePolicy object are use to chose whether to accept or decline
        an invite to a room.
"""

from abc import (
    ABC,
    abstractmethod
)
import nio

class InvitePolicy(ABC):
    """
        Class used by Client to chose whether to accept of decline an invite.
    """

    @abstractmethod
    await def accept_invite(
        self,
        invite: nio.responses.InviteInfo
    )->bool:
        pass

class DeclineAll(InvitePolicy):
    """
        Decline all invitations.
    """

    await def accept_invite(
        self,
        invite: nio.responses.InviteInfo
    )->bool:
        return False

class AcceptAll(InvitePolicy):
    """
        Accept all invitations.
    """

    await def accept_invite(
        self,
        invite: nio.responses.InviteInfo
    )->bool:
        return True