from pydantic import BaseModel, Field
from uuid import UUID
from datetime import datetime
from fastapi_demo.app.domain.status import AssetStatus


class AssetCreate(BaseModel):
    name: str = Field(min_length=1)
    serial: str | None = None


class AssetOut(BaseModel):
    id: UUID
    name: str
    serial: str | None
    status: AssetStatus
    revision: int
    updated_at: datetime


class AssetTransitionIn(BaseModel):
    to_status: AssetStatus
    expected_revision: int
    note: str | None = None


class AssetEventOut(BaseModel):
    asset_id: UUID
    from_status: AssetStatus
    to_status: AssetStatus
    at: datetime
    note: str | None = None