"use client";

import { useEffect, useState } from "react";
import { usePathname } from "next/navigation";
import formbricks from "@formbricks/js";
import { authClient } from "@/lib/auth-client";

export default function FormbricksProvider() {
  const pathname = usePathname();
  const { data: session } = authClient.useSession();

  // useSearchParams() throws during static prerendering without a Suspense boundary.
  // We only need it client-side for registerRouteChange, so initialize lazily.
  const [searchParams] = useState<URLSearchParams>(() => {
    if (typeof window !== "undefined") {
      return new URLSearchParams(window.location.search);
    }
    return new URLSearchParams();
  });

  useEffect(() => {
    formbricks.setup({
      environmentId: process.env.NEXT_PUBLIC_FORMBRICKS_ENVIRONMENT_ID || "dev",
      appUrl: process.env.NEXT_PUBLIC_FORMBRICKS_APP_URL || process.env.NEXT_PUBLIC_APP_URL || "http://localhost:3000",
    });
  }, []);

  useEffect(() => {
    if (session?.user?.id) {
      formbricks.setUserId(session.user.id);
    }
  }, [session?.user?.id]);

  useEffect(() => {
    formbricks?.registerRouteChange();
  }, [pathname, searchParams]);

  return null;
}