"use client";

import { useState } from "react";
import Link from "next/link";
import {
  ChevronDown,
  Heart,
  Menu,
  ShoppingBag,
  UserRound,
  X,
} from "lucide-react";
import { Container } from "@/components/Container";
import { Placeholder } from "@/components/Placeholder";
import { MegaMenu } from "@/components/layout/MegaMenu";
import { InstantSearch } from "@/components/layout/InstantSearch";
import { customerPortalUrl } from "@/lib/config";
import { navLinks, site } from "@/lib/data";
import type { NavCategory } from "@/lib/categories";

export function Header({ logoSrc, categories }: { logoSrc: string; categories: NavCategory[] }) {
  const [megaOpen, setMegaOpen] = useState(false);
  const [mobileOpen, setMobileOpen] = useState(false);
  const [mobileCats, setMobileCats] = useState(false);

  return (
    <header className="sticky top-0 z-40 border-b border-line bg-white">
      <Container className="flex h-[72px] items-center gap-4">
        <button
          type="button"
          className="grid size-10 place-items-center rounded-xl text-navy lg:hidden"
          onClick={() => setMobileOpen(true)}
          aria-label="منو"
        >
          <Menu className="size-5" />
        </button>

        <Link href="/" className="flex h-11 shrink-0 items-center">
          <Placeholder src={logoSrc} alt={site.name} className="h-11 w-auto object-contain" />
        </Link>

        <InstantSearch />

        <div className="ms-auto flex items-center gap-1">
          <a
            href={customerPortalUrl}
            className="hidden items-center gap-2 rounded-xl px-3 py-2 text-[13px] text-ink hover:bg-mist lg:flex"
          >
            <UserRound className="size-5 text-navy" />
            ورود / ثبت‌نام
          </a>
          <a href={customerPortalUrl} className="grid size-10 place-items-center rounded-xl hover:bg-mist" aria-label="علاقه‌مندی">
            <Heart className="size-5 text-navy" />
          </a>
          <a href={customerPortalUrl} className="relative grid size-10 place-items-center rounded-xl hover:bg-mist" aria-label="سبد خرید">
            <ShoppingBag className="size-5 text-navy" />
          </a>
        </div>
      </Container>

      <div className="hidden border-t border-line lg:block">
        <Container className="flex h-12 items-center gap-1">
          <div
            className="relative"
            onMouseEnter={() => setMegaOpen(true)}
            onMouseLeave={() => setMegaOpen(false)}
          >
            <button
              type="button"
              className="flex h-9 items-center gap-2 rounded-lg bg-navy px-3.5 text-[13px] font-medium text-white"
            >
              <Menu className="size-4" />
              دسته‌بندی‌ها
              <ChevronDown className={`size-4 transition ${megaOpen ? "rotate-180" : ""}`} />
            </button>
            <MegaMenu open={megaOpen} categories={categories} />
          </div>

          {navLinks.map((link) => (
            <Link
              key={link.href}
              href={link.href}
              className="rounded-lg px-3 py-2 text-[13px] text-ink transition hover:bg-sky hover:text-primary"
            >
              {link.title}
            </Link>
          ))}
        </Container>
      </div>

      {mobileOpen && (
        <div className="fixed inset-0 z-50 lg:hidden">
          <button
            type="button"
            className="absolute inset-0 bg-navy/40"
            aria-label="بستن"
            onClick={() => setMobileOpen(false)}
          />
          <aside className="absolute inset-y-0 right-0 flex w-[86%] max-w-sm flex-col bg-white">
            <div className="flex items-center justify-between border-b border-line px-4 py-3">
              <Placeholder src={logoSrc} alt={site.name} className="h-9 w-auto object-contain" />
              <button type="button" onClick={() => setMobileOpen(false)} aria-label="بستن">
                <X className="size-5" />
              </button>
            </div>
            <div className="px-4 pt-4">
              <InstantSearch compact />
            </div>
            <nav className="flex-1 overflow-y-auto px-2 py-3">
              <button
                type="button"
                className="flex w-full items-center justify-between rounded-xl px-3 py-2.5 text-right text-[14px] font-medium text-navy"
                onClick={() => setMobileCats((value) => !value)}
              >
                دسته‌بندی‌ها
                <ChevronDown className={`size-4 ${mobileCats ? "rotate-180" : ""}`} />
              </button>
              {mobileCats && (
                <ul className="mb-2 space-y-1 pr-3">
                  {categories.map((cat) => (
                    <li key={cat.id}>
                      <Link href={cat.href} className="block rounded-lg px-3 py-1.5 text-[13px] font-medium text-navy" onClick={() => setMobileOpen(false)}>
                        {cat.title}
                      </Link>
                      {cat.children.map((child) => (
                        <Link
                          key={child.id}
                          href={child.href}
                          className="block rounded-lg px-3 py-1.5 pr-5 text-[13px] text-muted"
                          onClick={() => setMobileOpen(false)}
                        >
                          {child.title}
                        </Link>
                      ))}
                    </li>
                  ))}
                </ul>
              )}
              {navLinks.map((link) => (
                <Link
                  key={link.href}
                  href={link.href}
                  className="block rounded-xl px-3 py-2.5 text-[14px]"
                  onClick={() => setMobileOpen(false)}
                >
                  {link.title}
                </Link>
              ))}
              <a href={customerPortalUrl} className="mt-2 block rounded-xl px-3 py-2.5 text-[14px] text-primary">
                ورود / ثبت‌نام
              </a>
            </nav>
          </aside>
        </div>
      )}
    </header>
  );
}