class DomainError(Exception):
    pass


class UserError(DomainError):
    pass


class UserNotFoundError(UserError):
    def __init__(self, user_id: str) -> None:
        super().__init__('user_not_found')
        self.user_id = user_id


class UserConflictError(UserError):
    def __init__(self, email: str) -> None:
        super().__init__('user_conflict')
        self.email = email


class SandboxError(DomainError):
    pass


class SandboxStartError(SandboxError):
    def __init__(self, chat_id: str, reason: str = '') -> None:
        super().__init__('sandbox_start_failed')
        self.chat_id = chat_id
        self.reason = reason


class SandboxAlreadyRunningError(SandboxError):
    def __init__(self, chat_id: str) -> None:
        super().__init__('sandbox_already_running')
        self.chat_id = chat_id


class SandboxConflictError(SandboxError):
    def __init__(self, chat_id: str) -> None:
        super().__init__('sandbox_conflict')
        self.chat_id = chat_id