import uuid
from datetime import datetime, timezone
from sqlmodel import SQLModel, Field


class ZoneHistory(SQLModel, table=True):
    __tablename__ = "zone_history"

    id: uuid.UUID = Field(default_factory=uuid.uuid4, primary_key=True)
    zone_id: uuid.UUID = Field(foreign_key="zones.id", index=True)
    from_owner_id: uuid.UUID = Field(foreign_key="users.id")
    to_owner_id: uuid.UUID = Field(foreign_key="users.id")
    changed_at: datetime = Field(default_factory=lambda: datetime.now(timezone.utc))
    cause: str = Field(max_length=16)  # capture | merge