"use client";

import { Suspense, useEffect, useState } from "react";
import { usePathname, useSearchParams } from "next/navigation";

function RouteProgressInner() {
  const pathname = usePathname();
  const searchParams = useSearchParams();
  const [active, setActive] = useState(false);

  useEffect(() => {
    const onClick = (e: MouseEvent) => {
      if (e.defaultPrevented || e.button !== 0 || e.metaKey || e.ctrlKey || e.shiftKey || e.altKey) {
        return;
      }
      const el = (e.target as HTMLElement | null)?.closest?.("a[href]");
      if (!el) return;
      const href = el.getAttribute("href");
      if (!href || href.startsWith("http") || href.startsWith("mailto:") || href.startsWith("#")) {
        return;
      }
      if (!href.startsWith("/")) return;
      const nextPath = href.split("?")[0];
      if (nextPath === window.location.pathname && href === `${window.location.pathname}${window.location.search}`) {
        return;
      }
      setActive(true);
    };
    document.addEventListener("click", onClick, true);
    return () => document.removeEventListener("click", onClick, true);
  }, []);

  useEffect(() => {
    if (!active) return;
    const t = window.setTimeout(() => setActive(false), 350);
    return () => window.clearTimeout(t);
  }, [pathname, searchParams, active]);

  if (!active) return null;

  return (
    <div className="pointer-events-none fixed inset-x-0 top-0 z-[200] h-[3px] overflow-hidden" aria-hidden>
      <div
        className="h-full w-full bg-primary"
        style={{
          animation: "ty-route-progress 0.85s ease-in-out infinite",
          transformOrigin: "right center",
        }}
      />
    </div>
  );
}

export function RouteProgress() {
  return (
    <Suspense fallback={null}>
      <RouteProgressInner />
    </Suspense>
  );
}