// Frontend constants and utilities for the Drinkkaart feature.

export const TOPUP_PRESETS_CENTS = [500, 1000, 2000, 5000] as const;
// = €5, €10, €20, €50

export const DEDUCTION_PRESETS_CENTS = [150, 200, 300, 500] as const;
// = €1,50 / €2,00 / €3,00 / €5,00 — typical drink prices

export const TOPUP_MIN_CENTS = 100; // €1
export const TOPUP_MAX_CENTS = 50000; // €500

/** Format a cents integer as a Belgian euro string, e.g. 1250 → "€ 12,50". */
export function formatCents(cents: number): string {
	return new Intl.NumberFormat("nl-BE", {
		style: "currency",
		currency: "EUR",
	}).format(cents / 100);
}