from pydantic import BaseModel, Field, computed_field


class CheckoutResponse(BaseModel):
    order_id: str = Field()
    total_amount: float = Field()
    bonus_paid: float = Field()
    amount_to_pay: float = Field()

    payment_link: str | None = Field(None)

    @property
    @computed_field
    def is_fully_paid(self):
        return self.total_amount <= self.bonus_paid and self.amount_to_pay <= 0