"use client";

import Link from "next/link";
import { usePathname } from "next/navigation";
import { useState } from "react";

import { BrandLogo } from "@/components/brand/brand-logo";
import { MenuIcon } from "@/components/icons/menu";
import { buttonVariants } from "@/components/ui/button";
import { MARKETING_PRIMARY_NAV } from "@/lib/marketing-nav";
import { cn } from "@/lib/utils";

export function SiteHeader() {
  const pathname = usePathname();
  const [open, setOpen] = useState(false);

  return (
    <header className="sticky top-0 z-40 bg-background/80 backdrop-blur-md">
      <div className="mx-auto flex h-16 max-w-6xl items-center justify-between gap-4 px-5 lg:px-8">
        <Link
          href="/"
          className="flex items-center gap-2.5 focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-accent"
          onClick={() => setOpen(false)}
        >
          <BrandLogo height={32} priority />
          <span className="font-display text-lg font-semibold tracking-tight">
            krypco
          </span>
        </Link>

        <nav
          className="hidden items-center gap-1 lg:flex"
          aria-label="Primary"
        >
          {MARKETING_PRIMARY_NAV.map((item) => {
            const active =
              pathname === item.href || pathname.startsWith(`${item.href}/`);
            return (
              <Link
                key={item.href}
                href={item.href}
                aria-current={active ? "page" : undefined}
                className={cn(
                  "rounded-md px-3 py-2 text-[13px] transition-colors",
                  active
                    ? "text-foreground"
                    : "text-muted-foreground hover:text-foreground",
                )}
              >
                {item.label}
              </Link>
            );
          })}
        </nav>

        <div className="flex items-center gap-2">
          <Link
            href="/portal"
            className={cn(
              buttonVariants({ variant: "outline", size: "sm" }),
              "hidden sm:inline-flex",
            )}
          >
            Open portal
          </Link>
          <button
            type="button"
            className="inline-flex h-10 w-10 items-center justify-center rounded-md border border-border text-muted-foreground hover:bg-muted hover:text-foreground lg:hidden"
            aria-label={open ? "Close menu" : "Open menu"}
            aria-expanded={open}
            onClick={() => setOpen((v) => !v)}
          >
            <MenuIcon size={18} />
          </button>
        </div>
      </div>

      {open ? (
        <div className="bg-card lg:hidden">
          <nav className="mx-auto flex max-w-6xl flex-col gap-1 px-5 py-4" aria-label="Mobile">
            {MARKETING_PRIMARY_NAV.map((item) => (
              <Link
                key={item.href}
                href={item.href}
                onClick={() => setOpen(false)}
                className="rounded-md px-3 py-3 text-[13px] text-muted-foreground hover:bg-muted hover:text-foreground"
              >
                {item.label}
              </Link>
            ))}
            <Link
              href="/about"
              onClick={() => setOpen(false)}
              className="rounded-md px-3 py-3 text-sm text-muted-foreground hover:bg-muted hover:text-foreground"
            >
              About
            </Link>
            <Link
              href="/contact"
              onClick={() => setOpen(false)}
              className="rounded-md px-3 py-3 text-sm text-muted-foreground hover:bg-muted hover:text-foreground"
            >
              Contact
            </Link>
            <Link
              href="/portal"
              onClick={() => setOpen(false)}
              className={cn(buttonVariants({ variant: "primary" }), "mt-2")}
            >
              Open portal
            </Link>
          </nav>
        </div>
      ) : null}
    </header>
  );
}