"use client";
import Image from "next/image";
import { useState } from "react";
import Link from "next/link";

const placeGroups = [
  {
    label: "Hele Norge",
    items: [{ href: "/sted/norge", label: "Hele Norge" }],
  },
  {
    label: "Nord-Norge",
    items: [
      { href: "/sted/nord-norge", label: "Nord-Norge" },
      { href: "/sted/finnmark", label: "Finnmark" },
      { href: "/sted/troms", label: "Troms" },
      { href: "/sted/nordland", label: "Nordland" },
    ],
  },
  {
    label: "Midt-Norge",
    items: [
      { href: "/sted/midt-norge", label: "Midt-Norge" },
      { href: "/sted/nord-trondelag", label: "Nord-Trøndelag" },
      { href: "/sted/sor-trondelag", label: "Sør-Trøndelag" },
      { href: "/sted/trondelag", label: "Trøndelag" },
    ],
  },
  {
    label: "Vestlandet",
    items: [
      { href: "/sted/vestlandet", label: "Vestlandet" },
      { href: "/sted/more-og-romsdal", label: "Møre og Romsdal" },
      { href: "/sted/sogn-og-fjordane", label: "Sogn og Fjordane" },
      { href: "/sted/hordaland", label: "Hordaland" },
      { href: "/sted/rogaland", label: "Rogaland" },
      { href: "/sted/vestland", label: "Vestland" },
    ],
  },
  {
    label: "Sørlandet",
    items: [
      { href: "/sted/sorlandet", label: "Sørlandet" },
      { href: "/sted/vest-agder", label: "Vest-Agder" },
      { href: "/sted/aust-agder", label: "Aust-Agder" },
      { href: "/sted/agder", label: "Agder" },
    ],
  },
  {
    label: "Østlandet",
    items: [
      { href: "/sted/ostlandet", label: "Østlandet" },
      { href: "/sted/telemark", label: "Telemark" },
      { href: "/sted/vestfold", label: "Vestfold" },
      { href: "/sted/ostfold", label: "Østfold" },
      { href: "/sted/buskerud", label: "Buskerud" },
      { href: "/sted/hedmark", label: "Hedmark" },
      { href: "/sted/oppland", label: "Oppland" },
      { href: "/sted/oslo-og-akershus", label: "Oslo og Akershus" },
      { href: "/sted/akershus", label: "Akershus" },
      { href: "/sted/oslo", label: "Oslo" },
      { href: "/sted/innlandet", label: "Innlandet" },
      { href: "/sted/viken", label: "Viken" },
    ],
  },
];

export default function Header() {
  const [isOpen, setIsOpen] = useState(false);
  const [isPlacesOpen, setIsPlacesOpen] = useState(false);
  const navItems = [
    { href: "/", label: "Hjem" },
    { href: "/golfbaner", label: "Golfbaner" },
    { href: "/medlemskap", label: "Medlemskap" },
    { href: "/vtg", label: "VTG" },
  ];

  return (
    <header className="sticky top-0 z-[2000] border-b border-white/10 bg-[#25312A]/95 text-white shadow-sm backdrop-blur-md">
      <div className="mx-auto flex h-20 max-w-[1400px] items-center justify-between px-4 sm:px-6 lg:px-8">
        <Link href="/" className="h-10 transition-transform hover:scale-[1.02] active:scale-95 md:h-12">
          <Image
            src="/TeeOff-logo-Retina-1.png"
            alt="TeeOff.no"
            width={336}
            height={102}
            priority
            className="h-full w-auto object-contain"
          />
        </Link>

        <nav className="hidden items-center gap-8 text-[12px] font-extrabold uppercase tracking-[0.14em] text-white/90 md:flex">
          {navItems.map((item) => (
            <Link key={item.href} href={item.href} className="transition hover:text-[#8BC34A]">
              {item.label}
            </Link>
          ))}
          <div
            className="group relative"
            onMouseEnter={() => setIsPlacesOpen(true)}
            onMouseLeave={() => setIsPlacesOpen(false)}
          >
            <button
              type="button"
              className="flex items-center gap-2 text-[12px] font-extrabold uppercase tracking-[0.14em] transition hover:text-[#8BC34A]"
              onClick={() => setIsPlacesOpen((current) => !current)}
            >
              <span>Steder</span>
              <span className={`text-[10px] transition ${isPlacesOpen ? "rotate-180" : ""}`}>▾</span>
            </button>

            {isPlacesOpen && (
              <div className="absolute right-0 top-full z-[2100] w-[44rem] pt-4">
                <div className="max-h-[min(70vh,42rem)] overflow-y-auto rounded-[1.75rem] border border-white/10 bg-[#25312A] p-5 shadow-2xl">
                  <div className="grid grid-cols-2 gap-5 xl:grid-cols-3">
                    {placeGroups.map((group) => (
                      <div key={group.label}>
                        <p className="mb-3 text-[10px] font-extrabold uppercase tracking-[0.2em] text-[#8BC34A]">
                          {group.label}
                        </p>
                        <div className="space-y-2">
                          {group.items.map((item) => (
                            <Link
                              key={item.href}
                              href={item.href}
                              className="block text-[13px] font-bold normal-case tracking-normal text-white/88 transition hover:text-[#FF5722]"
                              onClick={() => setIsPlacesOpen(false)}
                            >
                              {item.label}
                            </Link>
                          ))}
                        </div>
                      </div>
                    ))}
                  </div>
                </div>
              </div>
            )}
          </div>
        </nav>

        <button onClick={() => setIsOpen(!isOpen)} className="p-2 text-white md:hidden" aria-label="Meny">
          <div className="mb-1.5 h-0.5 w-6 bg-current transition-all"></div>
          <div className="mb-1.5 h-0.5 w-6 bg-current"></div>
          <div className="h-0.5 w-6 bg-current"></div>
        </button>
      </div>

      {isOpen && (
        <div className="absolute left-0 top-20 max-h-[calc(100vh-5rem)] w-full overflow-y-auto border-b border-white/10 bg-[#25312A] px-6 py-6 shadow-2xl md:hidden">
          <div className="flex flex-col gap-5 pb-6">
          {navItems.map((item) => (
            <Link
              key={item.href}
              onClick={() => setIsOpen(false)}
              href={item.href}
              className="text-lg font-extrabold uppercase tracking-[0.08em] text-white"
            >
              {item.label}
            </Link>
          ))}
          <div className="border-t border-white/10 pt-5">
            <Link
              onClick={() => setIsOpen(false)}
              href="/sted/norge"
              className="block text-lg font-extrabold uppercase tracking-[0.08em] text-white"
            >
              Steder
            </Link>
            <div className="mt-4 grid gap-4">
              {placeGroups.map((group) => (
                <div key={group.label}>
                  <p className="mb-2 text-[10px] font-extrabold uppercase tracking-[0.2em] text-[#8BC34A]">
                    {group.label}
                  </p>
                  <div className="space-y-2">
                    {group.items.map((item) => (
                      <Link
                        key={item.href}
                        onClick={() => setIsOpen(false)}
                        href={item.href}
                        className="block text-sm font-bold text-white/88"
                      >
                        {item.label}
                      </Link>
                    ))}
                  </div>
                </div>
              ))}
            </div>
          </div>
          </div>
        </div>
      )}
    </header>
  );
}