from datetime import datetime

from pydantic import BaseModel, ConfigDict


class TariffRead(BaseModel):
    model_config = ConfigDict(from_attributes=True)

    id: int
    name: str
    duration_days: int
    price: float
    currency: str = "RUB"
    max_devices: int = 1
    traffic_gb: int | None = None
    is_active: bool = True
    created_at: datetime