import type { SubscriptionDunning } from './BillingContext.tsx';

/**
 * The all-staff or stopped warning, read from the notice-only route by a staff member the full bill is closed to.
 * Anything else stays unknown: this route never carries the administrator's first-failure stage.
 */
export function dunningFromStaffNotice(notice: unknown): SubscriptionDunning | undefined {
    if (!notice || typeof notice !== 'object') return undefined;
    const { stage, daysRemaining } = notice as { stage?: unknown; daysRemaining?: unknown };
    if (stage === 'none') return { stage: 'none', notifyAdmin: false, notifyAllStaff: false };
    if (stage !== 'all-staff' && stage !== 'stopped') return undefined;
    const days = typeof daysRemaining === 'number' && Number.isInteger(daysRemaining) && daysRemaining >= 0
        ? daysRemaining
        : undefined;
    return { stage, notifyAdmin: true, notifyAllStaff: true, daysRemaining: days };
}