import { useState, NextLink, useRouter, clsx } from '@site/utilities/deps';
import { Dialog, Popover } from '@headlessui/react';
import { useCart } from '@shopify/hydrogen-react';
import { Bars3Icon, XMarkIcon, ShoppingBagIcon, ShoppingCartIcon } from '@heroicons/react/24/outline';

const mainMenuItems: { text: string; href: string; pathname: string }[] = [
  {
    text: 'Products',
    href: '/products',
  },
].map((item) => ({ ...item, pathname: new URL('https://x' + item.href).pathname }));

export function HeaderSection() {
  const [mobileMenuOpen, setMobileMenuOpen] = useState(false);
  const router = useRouter();
  const { totalQuantity } = useCart();

  return (
    <header className="shadow-sm">
      <nav className="mx-auto flex max-w-7xl items-center justify-between p-6 lg:px-8" aria-label="Global">
        <div className="flex lg:flex-1">
          <NextLink href="/" className="-m-1.5 p-1.5">
            <span className="sr-only">Next Shopify Storefront</span>
            <ShoppingBagIcon className="h-6 w-6"></ShoppingBagIcon>
          </NextLink>
        </div>
        <Popover.Group className="hidden lg:flex lg:gap-x-12">
          {mainMenuItems.map(({ text, href, pathname }) => (
            <NextLink
              className={clsx(
                'text-sm font-semibold leading-6 text-gray-900',
                router.pathname.startsWith(pathname) && 'text-primary-600'
              )}
              key={href}
              href={href}
            >
              {text}
            </NextLink>
          ))}
        </Popover.Group>

        <div className="flex flex-1 justify-end">
          <NextLink href="/cart">
            <span className="sr-only">Cart</span>
            <span className="relative inline-block">
              <ShoppingCartIcon className="h-6 w-6"></ShoppingCartIcon>
              {!!totalQuantity && (
                <span className="absolute right-0 top-0 inline-flex -translate-y-1/2 translate-x-1/2 items-center justify-center rounded-full bg-red-600 px-2 py-1 text-xs font-bold leading-none text-red-100">
                  {totalQuantity}
                </span>
              )}
            </span>
          </NextLink>

          <button
            type="button"
            className="ml-5 inline-flex items-center justify-center rounded-md text-gray-700 lg:hidden"
            onClick={() => setMobileMenuOpen(true)}
          >
            <span className="sr-only">Open main menu</span>
            <span className="relative inline-block">
              <Bars3Icon className="-mt-1 h-6  w-6" aria-hidden="true" />
            </span>
          </button>
        </div>
      </nav>
      <Dialog as="div" className="lg:hidden" open={mobileMenuOpen} onClose={setMobileMenuOpen}>
        <div className="fixed inset-0 z-10" />
        <Dialog.Panel className="fixed inset-y-0 right-0 z-10 w-full overflow-y-auto bg-white p-6 sm:max-w-sm sm:ring-1 sm:ring-gray-900/10">
          <div className="flex items-center justify-between">
            <button
              type="button"
              className="-m-2.5 rounded-md p-2.5 text-gray-700"
              onClick={() => setMobileMenuOpen(false)}
            >
              <span className="sr-only">Close menu</span>
              <XMarkIcon className="h-6 w-6" aria-hidden="true" />
            </button>
          </div>
          <div className="mt-6 flow-root">
            <div className="-my-6 divide-y divide-gray-500/10">
              <div className="space-y-2 py-6">
                {mainMenuItems.map(({ text, href, pathname }) => (
                  <NextLink
                    className={clsx(
                      '-mx-3 block rounded-lg px-3 py-2 text-base font-semibold leading-7 text-gray-900 hover:bg-gray-50',
                      router.pathname.startsWith(pathname) && 'text-primary-600'
                    )}
                    key={href}
                    href={href}
                  >
                    {text}
                  </NextLink>
                ))}
              </div>
            </div>
          </div>
        </Dialog.Panel>
      </Dialog>
    </header>
  );
}