// 零依赖的事件总线式 toast，避免在每个交互组件里包 Context
export type ToastVariant = "error" | "ok";

export interface ToastDetail {
  id: number;
  message: string;
  variant: ToastVariant;
}

export function toast(message: string, variant: ToastVariant = "error") {
  if (typeof window === "undefined") return;
  window.dispatchEvent(
    new CustomEvent<ToastDetail>("j13-toast", {
      detail: { id: Date.now() + Math.random(), message, variant },
    })
  );
}