"use client";
import { useEffect, type ReactNode } from "react";
import type { Data } from "@/server/services/model";
import {
  initializeTracker,
  navigation,
  pageClick,
  pageView,
  externalAd,
  tracker,
  track,
  type TrackerBoot,
} from "./tracker";

function loadScript(src: string): Promise<void> {
  return new Promise((resolve) => {
    const existing = document.querySelector<HTMLScriptElement>(
      `script[src="${src}"]`,
    );
    if (existing) {
      resolve();
      return;
    }
    const script = document.createElement("script");
    script.src = src;
    script.async = true;
    script.onload = () => resolve();
    script.onerror = () => resolve();
    document.head.append(script);
  });
}
export function TrackerProvider({
  data,
  children,
  boot: explicitBoot,
}: {
  data?: Data;
  boot?: TrackerBoot;
  children?: ReactNode;
}) {
  useEffect(() => {
    let disposed = false;
    const boot: TrackerBoot = explicitBoot || {
      appId: String(data?.trackerAppId || ""),
      encryptedConfig:
        data?.reportSdkConfig ??
        data?.appConfig?.reportSdkConfig ??
        data?.appConfig?.ReportSDKConfig ??
        data?.appConfig?.reportSDKConfig,
      appVersion: "1.0.0",
      pageKey: data?.pageKey,
      pageName: data?.pageName,
      userType: data?.isVip ? "vip" : "normal",
      uid: String(data?.userID || data?.userId || ""),
      channel: data?.channel,
    };
    void loadScript("/static/common/web-sdk-v1.2.0.js?v=huakui-20261013-system")
      .then(() => initializeTracker(boot))
      .then(() => {
        if (!disposed) pageView();
      });
    const google = "G-J58C18CTS0";
    const yandex =
      data?.isNavPage || data?.requestPath === "/navigation/" ? 112952789 : 112951899;
    window.dataLayer ||= [];
    window.gtag ||= (...args) => {
      window.dataLayer!.push(args);
    };
    window.gtag("js", new Date());
    window.gtag("config", google);
    void loadScript(`https://www.googletagmanager.com/gtag/js?id=${google}`);
    window.ym ||= Object.assign(
      (...args: unknown[]) => {
        window.ym!.a!.push(args);
      },
      { a: [] as unknown[][], l: Date.now() },
    );
    window.ym(yandex, "init", {
      ssr: true,
      webvisor: true,
      clickmap: true,
      ecommerce: "dataLayer",
      referrer: document.referrer,
      url: location.href,
      accurateTrackBounce: true,
      trackLinks: true,
    });
    void loadScript(`https://mc.yandex.ru/metrika/tag.js?id=${yandex}`);
    const click = (event: MouseEvent) => {
      if (!(event.target instanceof Element)) return;
      const target = event.target;
      if (
        !target.closest(
          "[data-ad-close],[data-dialog-ad-close],[data-download-close],[data-login-close],[data-register-close],[data-recharge-close],[data-play-coin-close],[data-setting-password-close],[data-drawer-close]",
        )
      )
        pageClick(event);
      const anchor = target.closest<HTMLAnchorElement>(
        "a[data-navigation-key],a[data-nav-key]",
      );
      if (anchor) navigation(anchor);
      const ad = target.closest<HTMLElement>(
        '[data-track-ad="external"][data-ad-id]',
      );
      if (ad) externalAd(ad, "click");
    };
    document.addEventListener("click", click, true);
    const observer =
      typeof IntersectionObserver === "undefined"
        ? null
        : new IntersectionObserver(
            (entries) => {
              for (const entry of entries)
                if (entry.isIntersecting) {
                  externalAd(entry.target as HTMLElement, "show");
                  observer?.unobserve(entry.target);
                }
            },
            { threshold: 0.1 },
          );
    const observed = new WeakSet<Element>();
    const observe = () =>
      document
        .querySelectorAll(
          '[data-track-ad="external"][data-ad-id]:not([data-ad-clone])',
        )
        .forEach((node) => {
          if (!observed.has(node)) {
            observed.add(node);
            if (observer) observer.observe(node);
            else externalAd(node as HTMLElement, "show");
          }
        });
    observe();
    const mutations = new MutationObserver(observe);
    mutations.observe(document.body, { childList: true, subtree: true });
    const external = (event: Event) => {
      const detail = (
        event as CustomEvent<{ element: HTMLElement; eventType: string }>
      ).detail;
      if (detail?.element) externalAd(detail.element, detail.eventType);
    };
    const advertising = (event: Event) => {
      const detail = (
        event as CustomEvent<{ element: HTMLElement; eventType: string }>
      ).detail;
      const node = detail?.element;
      if (node)
        void track("advertising", {
          event_type: detail.eventType,
          advertising_key: node.dataset.advertisingKey || "dialog_ad",
          advertising_name: node.dataset.advertisingName || "弹窗广告",
          advertising_id:
            node.dataset.advertisingId || node.dataset.dialogAdId || "",
        });
    };
    document.addEventListener("external-ad:track", external);
    document.addEventListener("dialog-ad:track", advertising);
    const flush = () => {
      void tracker.flush();
    };
    window.addEventListener("pagehide", flush);
    return () => {
      disposed = true;
      observer?.disconnect();
      mutations.disconnect();
      document.removeEventListener("click", click, true);
      document.removeEventListener("external-ad:track", external);
      document.removeEventListener("dialog-ad:track", advertising);
      window.removeEventListener("pagehide", flush);
    };
  }, [data, explicitBoot]);
  return children;
}
export function useTracker() {
  return tracker;
}
export default TrackerProvider;