from __future__ import annotations
import uuid
from datetime import datetime, timezone
from dataclasses import dataclass, field


@dataclass
class BaseEntity:
    id: uuid.UUID = field(default_factory=uuid.uuid4)
    created_at: datetime = field(default_factory=lambda: datetime.now(timezone.utc))
    updated_at: datetime = field(default_factory=lambda: datetime.now(timezone.utc))

    def touch(self) -> None:
        self.updated_at = datetime.now(timezone.utc)