/**
 * Set NEXT_PUBLIC_MERCHANT_BTC_ADDRESS (and MERCHANT_BTC_ADDRESS for server verify) in .env.local
 * to your Bitcoin receiving address (e.g. bc1q...).
 *
 * Optional: NEXT_PUBLIC_BITCOIN_CHECKOUT_URL — BTCPay / hosted checkout; surfaced on /account/add-funds.
 */
export function getMerchantBtcAddress(): string {
  if (typeof window !== "undefined") {
    return (process.env.NEXT_PUBLIC_MERCHANT_BTC_ADDRESS || "").trim();
  }
  return (process.env.MERCHANT_BTC_ADDRESS || process.env.NEXT_PUBLIC_MERCHANT_BTC_ADDRESS || "").trim();
}

export function isMerchantBtcConfigured(): boolean {
  return getMerchantBtcAddress().length > 0;
}