"use client";

import { TrackingEventName } from "@/lib/tracking-events";

type TrackPayload = Record<string, string | number | boolean | undefined>;
type DebugEvent = { event: TrackingEventName; payload: TrackPayload; ts: number };

declare global {
  interface Window {
    __DOWNLOAD_NOVA_TRACKS__?: DebugEvent[];
  }
}

export function useTrack() {
  function track(event: TrackingEventName, payload: TrackPayload = {}) {
    if (typeof window !== "undefined") {
      const item: DebugEvent = { event, payload, ts: Date.now() };
      window.__DOWNLOAD_NOVA_TRACKS__ = [...(window.__DOWNLOAD_NOVA_TRACKS__ ?? []), item].slice(-120);
      window.dispatchEvent(new CustomEvent("download-nova-track", { detail: item }));
    }
    // 预留：后续可接入 GA、神策、点点、私有埋点 API、ntfy 通知
    if (process.env.NODE_ENV !== "production") {
      console.info("[track]", event, payload);
    }
  }
  return { track };
}