import type { PaywallDisplayPlan } from '@funnelsgrove/payments';

/** Translate recognized display labels while retaining arbitrary catalog copy and payment data. */
export function localizePaywallPlanLabels(plan: PaywallDisplayPlan, labels: Record<string, string>): PaywallDisplayPlan {
  const translate = (value: string) => typeof labels[value] === 'string' ? labels[value] : value;
  return {
    ...plan,
    title: translate(plan.title),
    priceLabel: translate(plan.priceLabel),
    basePriceLabel: translate(plan.basePriceLabel),
    oldPriceLabel: plan.oldPriceLabel ? translate(plan.oldPriceLabel) : plan.oldPriceLabel,
    checkoutSummaryLabel: plan.checkoutSummaryLabel ? translate(plan.checkoutSummaryLabel) : plan.checkoutSummaryLabel,
    featuredTag: plan.featuredTag ? translate(plan.featuredTag) : plan.featuredTag,
  };
}