/** Weight-based mithai pricing (all sweets except kulfi). */

export const SWEETS_HALF_KG_PRICE = 90;
export const SWEETS_KG_PRICE = 179;
export const KULFI_MENU_ID = 'kulfi';

/** quantity = number of half-kg portions */
export function calculateSweetsWeightTotal(halfKgUnits: number): number {
  const fullKg = Math.floor(halfKgUnits / 2);
  const halfRemainder = halfKgUnits % 2;
  return fullKg * SWEETS_KG_PRICE + halfRemainder * SWEETS_HALF_KG_PRICE;
}

export function halfKgUnitsToKg(halfKgUnits: number): number {
  return halfKgUnits * 0.5;
}

export function formatSweetWeightLabel(halfKgUnits: number): string {
  const kg = halfKgUnitsToKg(halfKgUnits);
  return kg === 0.5 ? '0.5 kg' : `${kg} kg`;
}