from datetime import datetime
from typing import Optional
from pydantic import BaseModel


class PositionBase(BaseModel):
    lat: float
    lon: float
    speed: float = 0.0
    heading: float = 0.0


class PositionCreate(PositionBase):
    vehicle_id: int
    timestamp: Optional[datetime] = None


class PositionIngest(PositionBase):
    vehicle_id: int
    timestamp: Optional[datetime] = None


class PositionResponse(PositionBase):
    id: int
    vehicle_id: int
    timestamp: datetime

    class Config:
        from_attributes = True