from __future__ import annotations

from dataclasses import dataclass


@dataclass(slots=True)
class UpdateResult:
    hostname: str
    ipv4: str | None
    ipv6: str | None
    changed: bool
    update_ipv4: bool = True
    update_ipv6: bool = True

    @property
    def dyndns_response(self) -> str:
        ip = self.ipv4 or self.ipv6 or "0.0.0.0"
        return f"{'good' if self.changed else 'nochg'} {ip}"