/** 营销抵扣费用项：支付时由后端写入的负数应收行，不可在价格配置/手工加费中选择 */
export const COUPON_DISCOUNT_COST_ITEM = 'coupon_discount'
export const MEMBER_DISCOUNT_COST_ITEM = 'member_discount'

const DISCOUNT_COST_ITEMS = new Set([COUPON_DISCOUNT_COST_ITEM, MEMBER_DISCOUNT_COST_ITEM])

export function isDiscountCostItem(costItem: unknown) {
  return DISCOUNT_COST_ITEMS.has(String(costItem ?? '').trim().toLowerCase())
}