export type ShopToastVariant = 'success' | 'error';

type ShopToastListener = (message: string, variant: ShopToastVariant) => void;

let listener: ShopToastListener | null = null;

export function registerShopToastListener(fn: ShopToastListener | null) {
  listener = fn;
}

export function showShopToast(message: string, variant: ShopToastVariant = 'error') {
  const text = message.trim();
  if (!text || !listener) return;
  listener(text, variant);
}

export function toastError(message: string) {
  showShopToast(message, 'error');
}

export function toastSuccess(message: string) {
  showShopToast(message, 'success');
}