"""Pure value objects for financial rules."""
from dataclasses import dataclass


@dataclass(frozen=True)
class PositionTresorerie:
    solde_banque: float
    encaisse: float
    total_reserves: float
    engagements_non_debites: float

    @property
    def disponible_bancaire(self) -> float:
        return self.solde_banque - self.total_reserves - self.engagements_non_debites

    @property
    def disponible_total(self) -> float:
        return self.disponible_bancaire + self.encaisse