<!--
  This example requires Tailwind CSS v2.0+ 
  
  This example requires some changes to your config:
  
  ```
  // tailwind.config.js
  module.exports = {
    // ...
    plugins: [
      // ...
      require('@tailwindcss/aspect-ratio'),
    ],
  }
  ```
-->
<template>
  <div class="bg-white">
    <!-- Mobile menu -->
    <TransitionRoot as="template" :show="open">
      <Dialog as="div" class="relative z-40 lg:hidden" @close="open = false">
        <TransitionChild as="template" enter="transition-opacity ease-linear duration-300" enter-from="opacity-0" enter-to="opacity-100" leave="transition-opacity ease-linear duration-300" leave-from="opacity-100" leave-to="opacity-0">
          <div class="fixed inset-0 bg-black bg-opacity-25" />
        </TransitionChild>

        <div class="fixed inset-0 z-40 flex">
          <TransitionChild as="template" enter="transition ease-in-out duration-300 transform" enter-from="-translate-x-full" enter-to="translate-x-0" leave="transition ease-in-out duration-300 transform" leave-from="translate-x-0" leave-to="-translate-x-full">
            <DialogPanel class="relative flex w-full max-w-xs flex-col overflow-y-auto bg-white pb-12 shadow-xl">
              <div class="flex px-4 pt-5 pb-2">
                <button type="button" class="-m-2 inline-flex items-center justify-center rounded-md p-2 text-gray-400" @click="open = false">
                  <span class="sr-only">Close menu</span>
                  <XMarkIcon class="h-6 w-6" aria-hidden="true" />
                </button>
              </div>

              <!-- Links -->
              <TabGroup as="div" class="mt-2">
                <div class="border-b border-gray-200">
                  <TabList class="-mb-px flex space-x-8 px-4">
                    <Tab as="template" v-for="category in navigation.categories" :key="category.name" v-slot="{ selected }">
                      <button :class="[selected ? 'text-indigo-600 border-indigo-600' : 'text-gray-900 border-transparent', 'flex-1 whitespace-nowrap border-b-2 py-4 px-1 text-base font-medium']">{{ category.name }}</button>
                    </Tab>
                  </TabList>
                </div>
                <TabPanels as="template">
                  <TabPanel v-for="category in navigation.categories" :key="category.name" class="space-y-10 px-4 pt-10 pb-8">
                    <div class="space-y-4">
                      <div v-for="(item, itemIdx) in category.featured" :key="itemIdx" class="group aspect-w-1 aspect-h-1 relative overflow-hidden rounded-md bg-gray-100">
                        <img :src="item.imageSrc" :alt="item.imageAlt" class="object-cover object-center group-hover:opacity-75" />
                        <div class="flex flex-col justify-end">
                          <div class="bg-white bg-opacity-60 p-4 text-base sm:text-sm">
                            <a :href="item.href" class="font-medium text-gray-900">
                              <span class="absolute inset-0" aria-hidden="true" />
                              {{ item.name }}
                            </a>
                            <p aria-hidden="true" class="mt-0.5 text-gray-700 sm:mt-1">Shop now</p>
                          </div>
                        </div>
                      </div>
                    </div>
                    <div v-for="(column, columnIdx) in category.sections" :key="columnIdx" class="space-y-10">
                      <div v-for="section in column" :key="section.name">
                        <p :id="`${category.id}-${section.id}-heading-mobile`" class="font-medium text-gray-900">{{ section.name }}</p>
                        <ul role="list" :aria-labelledby="`${category.id}-${section.id}-heading-mobile`" class="mt-6 flex flex-col space-y-6">
                          <li v-for="item in section.items" :key="item.name" class="flow-root">
                            <a :href="item.href" class="-m-2 block p-2 text-gray-500">{{ item.name }}</a>
                          </li>
                        </ul>
                      </div>
                    </div>
                  </TabPanel>
                </TabPanels>
              </TabGroup>

              <div class="space-y-6 border-t border-gray-200 py-6 px-4">
                <div v-for="page in navigation.pages" :key="page.name" class="flow-root">
                  <a :href="page.href" class="-m-2 block p-2 font-medium text-gray-900">{{ page.name }}</a>
                </div>
              </div>

              <div class="border-t border-gray-200 py-6 px-4">
                <a href="#" class="-m-2 flex items-center p-2">
                  <img src="https://tailwindui.com/img/flags/flag-canada.svg" alt="" class="block h-auto w-5 flex-shrink-0" />
                  <span class="ml-3 block text-base font-medium text-gray-900">CAD</span>
                  <span class="sr-only">, change currency</span>
                </a>
              </div>
            </DialogPanel>
          </TransitionChild>
        </div>
      </Dialog>
    </TransitionRoot>

    <header class="relative bg-white">
      <nav aria-label="Top" class="mx-auto max-w-7xl px-4 sm:px-6 lg:px-8">
        <div class="border-b border-gray-200">
          <div class="flex h-16 items-center justify-between">
            <div class="flex flex-1 items-center lg:hidden">
              <button type="button" class="-ml-2 rounded-md bg-white p-2 text-gray-400" @click="open = true">
                <span class="sr-only">Open menu</span>
                <Bars3Icon class="h-6 w-6" aria-hidden="true" />
              </button>

              <a href="#" class="ml-2 p-2 text-gray-400 hover:text-gray-500">
                <span class="sr-only">Search</span>
                <MagnifyingGlassIcon class="h-6 w-6" aria-hidden="true" />
              </a>
            </div>

            <!-- Flyout menus -->
            <PopoverGroup class="hidden lg:block lg:flex-1 lg:self-stretch">
              <div class="flex h-full space-x-8">
                <Popover v-for="category in navigation.categories" :key="category.name" class="flex" v-slot="{ open }">
                  <div class="relative flex">
                    <PopoverButton :class="[open ? 'text-indigo-600' : 'text-gray-700 hover:text-gray-800', 'relative z-10 flex items-center justify-center text-sm font-medium transition-colors duration-200 ease-out']">
                      {{ category.name }}
                      <span :class="[open ? 'bg-indigo-600' : '', 'absolute inset-x-0 bottom-0 h-0.5 transition-colors duration-200 ease-out sm:mt-5 sm:translate-y-px sm:transform']" aria-hidden="true" />
                    </PopoverButton>
                  </div>

                  <transition enter-active-class="transition ease-out duration-200" enter-from-class="opacity-0" enter-to-class="opacity-100" leave-active-class="transition ease-in duration-150" leave-from-class="opacity-100" leave-to-class="opacity-0">
                    <PopoverPanel class="absolute inset-x-0 top-full">
                      <!-- Presentational element used to render the bottom shadow, if we put the shadow on the actual panel it pokes out the top, so we use this shorter element to hide the top of the shadow -->
                      <div class="absolute inset-0 top-1/2 bg-white shadow" aria-hidden="true" />

                      <div class="relative bg-white">
                        <div class="mx-auto max-w-7xl px-8">
                          <div class="grid grid-cols-2 gap-y-10 gap-x-8 py-16">
                            <div class="grid grid-cols-2 grid-rows-1 gap-8 text-sm">
                              <div v-for="(item, itemIdx) in category.featured" :key="item.name" :class="[itemIdx === 0 ? 'col-span-2 aspect-w-2' : '', 'group relative aspect-w-1 aspect-h-1 rounded-md bg-gray-100 overflow-hidden']">
                                <img :src="item.imageSrc" :alt="item.imageAlt" class="object-cover object-center group-hover:opacity-75" />
                                <div class="flex flex-col justify-end">
                                  <div class="bg-white bg-opacity-60 p-4 text-sm">
                                    <a :href="item.href" class="font-medium text-gray-900">
                                      <span class="absolute inset-0" aria-hidden="true" />
                                      {{ item.name }}
                                    </a>
                                    <p aria-hidden="true" class="mt-0.5 text-gray-700 sm:mt-1">Shop now</p>
                                  </div>
                                </div>
                              </div>
                            </div>
                            <div class="grid grid-cols-3 gap-y-10 gap-x-8 text-sm text-gray-500">
                              <div v-for="(column, columnIdx) in category.sections" :key="columnIdx" class="space-y-10">
                                <div v-for="section in column" :key="section.name">
                                  <p :id="`${category.id}-${section.id}-heading`" class="font-medium text-gray-900">{{ section.name }}</p>
                                  <ul role="list" :aria-labelledby="`${category.id}-${section.id}-heading`" class="mt-4 space-y-4">
                                    <li v-for="item in section.items" :key="item.name" class="flex">
                                      <a :href="item.href" class="hover:text-gray-800">{{ item.name }}</a>
                                    </li>
                                  </ul>
                                </div>
                              </div>
                            </div>
                          </div>
                        </div>
                      </div>
                    </PopoverPanel>
                  </transition>
                </Popover>

                <a v-for="page in navigation.pages" :key="page.name" :href="page.href" class="flex items-center text-sm font-medium text-gray-700 hover:text-gray-800">{{ page.name }}</a>
              </div>
            </PopoverGroup>

            <!-- Logo -->
            <a href="#" class="flex">
              <span class="sr-only">Your Company</span>
              <img class="h-8 w-auto" src="https://tailwindui.com/img/logos/mark.svg?color=indigo&shade=600" alt="" />
            </a>

            <div class="flex flex-1 items-center justify-end">
              <a href="#" class="hidden text-gray-700 hover:text-gray-800 lg:flex lg:items-center">
                <img src="https://tailwindui.com/img/flags/flag-canada.svg" alt="" class="block h-auto w-5 flex-shrink-0" />
                <span class="ml-3 block text-sm font-medium">CAD</span>
                <span class="sr-only">, change currency</span>
              </a>

              <!-- Search -->
              <a href="#" class="ml-6 hidden p-2 text-gray-400 hover:text-gray-500 lg:block">
                <span class="sr-only">Search</span>
                <MagnifyingGlassIcon class="h-6 w-6" aria-hidden="true" />
              </a>

              <!-- Account -->
              <a href="#" class="p-2 text-gray-400 hover:text-gray-500 lg:ml-4">
                <span class="sr-only">Account</span>
                <UserIcon class="h-6 w-6" aria-hidden="true" />
              </a>

              <!-- Cart -->
              <div class="ml-4 flow-root lg:ml-6">
                <a href="#" class="group -m-2 flex items-center p-2">
                  <ShoppingBagIcon class="h-6 w-6 flex-shrink-0 text-gray-400 group-hover:text-gray-500" aria-hidden="true" />
                  <span class="ml-2 text-sm font-medium text-gray-700 group-hover:text-gray-800">0</span>
                  <span class="sr-only">items in cart, view bag</span>
                </a>
              </div>
            </div>
          </div>
        </div>
      </nav>
    </header>
  </div>
</template>

<script setup>
import { ref } from 'vue'
import {
  Dialog,
  DialogPanel,
  Popover,
  PopoverButton,
  PopoverGroup,
  PopoverPanel,
  Tab,
  TabGroup,
  TabList,
  TabPanel,
  TabPanels,
  TransitionChild,
  TransitionRoot,
} from '@headlessui/vue'
import { Bars3Icon, MagnifyingGlassIcon, ShoppingBagIcon, UserIcon, XMarkIcon } from '@heroicons/vue/24/outline'

const navigation = {
  categories: [
    {
      id: 'women',
      name: 'Women',
      featured: [
        {
          name: 'New Arrivals',
          href: '#',
          imageSrc: 'https://tailwindui.com/img/ecommerce-images/mega-menu-category-01.jpg',
          imageAlt: 'Models sitting back to back, wearing Basic Tee in black and bone.',
        },
        {
          name: 'Basic Tees',
          href: '#',
          imageSrc: 'https://tailwindui.com/img/ecommerce-images/mega-menu-category-02.jpg',
          imageAlt: 'Close up of Basic Tee fall bundle with off-white, ochre, olive, and black tees.',
        },
        {
          name: 'Accessories',
          href: '#',
          imageSrc: 'https://tailwindui.com/img/ecommerce-images/mega-menu-category-03.jpg',
          imageAlt: 'Model wearing minimalist watch with black wristband and white watch face.',
        },
      ],
      sections: [
        [
          {
            id: 'shoes',
            name: 'Shoes & Accessories',
            items: [
              { name: 'Sneakers', href: '#' },
              { name: 'Boots', href: '#' },
              { name: 'Flats', href: '#' },
              { name: 'Sandals', href: '#' },
              { name: 'Heels', href: '#' },
              { name: 'Socks', href: '#' },
            ],
          },
          {
            id: 'collection',
            name: 'Shop Collection',
            items: [
              { name: 'Everything', href: '#' },
              { name: 'Core', href: '#' },
              { name: 'New Arrivals', href: '#' },
              { name: 'Sale', href: '#' },
              { name: 'Accessories', href: '#' },
            ],
          },
        ],
        [
          {
            id: 'clothing',
            name: 'All Clothing',
            items: [
              { name: 'Basic Tees', href: '#' },
              { name: 'Artwork Tees', href: '#' },
              { name: 'Tops', href: '#' },
              { name: 'Bottoms', href: '#' },
              { name: 'Swimwear', href: '#' },
              { name: 'Underwear', href: '#' },
            ],
          },
          {
            id: 'accessories',
            name: 'All Accessories',
            items: [
              { name: 'Watches', href: '#' },
              { name: 'Wallets', href: '#' },
              { name: 'Bags', href: '#' },
              { name: 'Sunglasses', href: '#' },
              { name: 'Hats', href: '#' },
              { name: 'Belts', href: '#' },
            ],
          },
        ],
        [
          {
            id: 'brands',
            name: 'Brands',
            items: [
              { name: 'Full Nelson', href: '#' },
              { name: 'My Way', href: '#' },
              { name: 'Re-Arranged', href: '#' },
              { name: 'Counterfeit', href: '#' },
              { name: 'Significant Other', href: '#' },
            ],
          },
        ],
      ],
    },
    {
      id: 'men',
      name: 'Men',
      featured: [
        {
          name: 'Accessories',
          href: '#',
          imageSrc: 'https://tailwindui.com/img/ecommerce-images/home-page-03-category-01.jpg',
          imageAlt:
            'Wooden shelf with gray and olive drab green baseball caps, next to wooden clothes hanger with sweaters.',
        },
        {
          name: 'New Arrivals',
          href: '#',
          imageSrc: 'https://tailwindui.com/img/ecommerce-images/product-page-04-detail-product-shot-01.jpg',
          imageAlt: 'Drawstring top with elastic loop closure and textured interior padding.',
        },
        {
          name: 'Artwork Tees',
          href: '#',
          imageSrc: 'https://tailwindui.com/img/ecommerce-images/category-page-02-image-card-06.jpg',
          imageAlt:
            'Three shirts in gray, white, and blue arranged on table with same line drawing of hands and shapes overlapping on front of shirt.',
        },
      ],
      sections: [
        [
          {
            id: 'shoes',
            name: 'Shoes & Accessories',
            items: [
              { name: 'Sneakers', href: '#' },
              { name: 'Boots', href: '#' },
              { name: 'Sandals', href: '#' },
              { name: 'Socks', href: '#' },
            ],
          },
          {
            id: 'collection',
            name: 'Shop Collection',
            items: [
              { name: 'Everything', href: '#' },
              { name: 'Core', href: '#' },
              { name: 'New Arrivals', href: '#' },
              { name: 'Sale', href: '#' },
            ],
          },
        ],
        [
          {
            id: 'clothing',
            name: 'All Clothing',
            items: [
              { name: 'Basic Tees', href: '#' },
              { name: 'Artwork Tees', href: '#' },
              { name: 'Pants', href: '#' },
              { name: 'Hoodies', href: '#' },
              { name: 'Swimsuits', href: '#' },
            ],
          },
          {
            id: 'accessories',
            name: 'All Accessories',
            items: [
              { name: 'Watches', href: '#' },
              { name: 'Wallets', href: '#' },
              { name: 'Bags', href: '#' },
              { name: 'Sunglasses', href: '#' },
              { name: 'Hats', href: '#' },
              { name: 'Belts', href: '#' },
            ],
          },
        ],
        [
          {
            id: 'brands',
            name: 'Brands',
            items: [
              { name: 'Re-Arranged', href: '#' },
              { name: 'Counterfeit', href: '#' },
              { name: 'Full Nelson', href: '#' },
              { name: 'My Way', href: '#' },
            ],
          },
        ],
      ],
    },
  ],
  pages: [
    { name: 'Company', href: '#' },
    { name: 'Stores', href: '#' },
  ],
}

const open = ref(false)
</script>