/**
 * One source of truth for the canonical origin. robots.ts, sitemap.ts,
 * layout.tsx and the structured data all read from here — a mismatch
 * between any two of them is the kind of SEO bug that only surfaces
 * weeks later in Search Console.
 *
 * Vercel sets VERCEL_PROJECT_PRODUCTION_URL to the production domain on
 * every deployment, including previews, so preview builds emit canonicals
 * pointing at production rather than at their own throwaway URL.
 */
const PRODUCTION_URL =
  process.env.NEXT_PUBLIC_SITE_URL ??
  (process.env.VERCEL_PROJECT_PRODUCTION_URL
    ? `https://${process.env.VERCEL_PROJECT_PRODUCTION_URL}`
    : "https://kumasy.de");

/** Canonical origin, never with a trailing slash. */
export const SITE_URL = PRODUCTION_URL.replace(/\/+$/, "");

export const SITE_NAME = "Kumasy";

/** Contact address, used in both the footer and the structured data. */
export const CONTACT_EMAIL = "info@kumasy.de";

/**
 * The monthly price, in one place because it appears in the pricing
 * section, the FAQ copy and the Product structured data. If it changes
 * and the schema still says 150, Google flags the mismatch.
 */
export const PRICE_MONTHLY = 150;
export const PRICE_PER_BOOKING = 0.5;
export const PRICE_CURRENCY = "EUR";