"use client";

import Link from "next/link";
import { usePathname, useRouter } from "next/navigation";
import { useEffect } from "react";
import { useAuth } from "../../frontend/components/AuthProvider";
import {
  getConfigRedirect,
  getConfigTabs,
} from "../../frontend/utils/config-access";

export default function ConfigLayout({ children }: { children: React.ReactNode }) {
  const pathname = usePathname();
  const router = useRouter();
  const { status, isAdmin } = useAuth();
  const tabs = getConfigTabs(isAdmin);
  const redirectTarget = getConfigRedirect(pathname, isAdmin);

  useEffect(() => {
    if (status !== "signed-in") return;
    if (redirectTarget) router.replace(redirectTarget);
  }, [status, redirectTarget, router]);

  if (
    status !== "signed-in" ||
    redirectTarget !== null
  ) {
    return null;
  }

  return (
    <div className="container-fluid py-4">
      <div className="page-header">
        <h1>Config</h1>
      </div>

      <nav className="config-tabs">
        {tabs.map((tab) => (
          <Link
            key={tab.href}
            href={tab.href}
            className={pathname?.startsWith(tab.href) ? "config-tab active" : "config-tab"}
          >
            {tab.label}
          </Link>
        ))}
      </nav>

      {children}
    </div>
  );
}