import { memo, useCallback } from "react";
import { Link } from "@remix-run/react";
import { Bell, Search, ShoppingBag } from "lucide-react";
import logo from "../../assets/logo/SVG-07.svg";
import { useCartCount } from "~/requestHandler/use-cart-hooks";
import { useBadgeCounts } from "~/hooks/useBadgeCounts";
import { useRootData } from "~/hooks/use-root-data";

const HomePageTopBar = memo(() => {
  const { user } = useRootData();
  const isLoggedIn = !!user?.access_token;
  const cartCount = useCartCount();
  const { data: badgeCounts } = useBadgeCounts();
  const accountUnread =
    (badgeCounts?.chat || 0) + (badgeCounts?.order_updates || 0);

  const scrollToTop = useCallback(() => {
    window.scrollTo({ top: 0, behavior: "smooth" });
  }, []);

  return (
    <div className="bg-WHITE sticky top-0 z-30 pt-[env(safe-area-inset-top)]">
      <div className="px-4 pt-2.5 pb-3 flex flex-col gap-3">
        {/* Brand row */}
        <div className="flex items-center gap-2.5">
          <button
            onClick={scrollToTop}
            className="flex items-center gap-2"
            aria-label="ویترون"
          >
            <img src={logo} className="w-7 h-8 object-contain" alt="" />
            <b className="text-[21px] font-extrabold text-BLACK tracking-tight">
              ویترون
            </b>
          </button>
          <span className="flex-1" />
          <Link
            to="/profile"
            prefetch="intent"
            aria-label="اعلان‌ها"
            className="relative w-10 h-10 rounded-xl bg-WHITE2 grid place-items-center text-BLACK"
          >
            {isLoggedIn && accountUnread > 0 ? (
              <span className="absolute top-2 left-2.5 w-2 h-2 rounded-full bg-RED border-[1.5px] border-WHITE2" />
            ) : null}
            <Bell size={21} />
          </Link>
          <Link
            to="/cart"
            prefetch="intent"
            aria-label="سبد خرید"
            className="relative w-10 h-10 rounded-xl bg-WHITE2 grid place-items-center text-BLACK"
          >
            {isLoggedIn && cartCount > 0 ? (
              <span className="absolute top-1 left-1 min-w-[16px] h-4 px-1 rounded-full bg-RED text-white text-[10px] font-bold grid place-items-center border-[1.5px] border-WHITE2">
                {cartCount > 99 ? "99+" : cartCount}
              </span>
            ) : null}
            <ShoppingBag size={21} />
          </Link>
        </div>

        {/* Search-first */}
        <Link
          to="/explore"
          prefetch="intent"
          className="flex items-center gap-2.5 h-[46px] px-3.5 bg-WHITE3 rounded-2xl text-GRAY"
        >
          <Search size={19} className="shrink-0" />
          <span className="text-R14">جستجوی محصول، برند یا فروشگاه…</span>
        </Link>
      </div>
    </div>
  );
});

HomePageTopBar.displayName = "HomePageTopBar";

export default HomePageTopBar;
