<!--
  This example requires Tailwind CSS v2.0+ 
  
  This example requires some changes to your config:
  
  ```
  // tailwind.config.js
  module.exports = {
    // ...
    plugins: [
      // ...
      require('@tailwindcss/forms'),
    ],
  }
  ```
-->
<template>
  <div class="bg-gray-50">
    <!-- Mobile filter dialog -->
    <TransitionRoot as="template" :show="open">
      <Dialog as="div" class="relative z-40 sm: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 ml-auto flex h-full w-full max-w-xs flex-col overflow-y-auto bg-white py-4 pb-6 shadow-xl">
              <div class="flex items-center justify-between px-4">
                <h2 class="text-lg font-medium text-gray-900">Filters</h2>
                <button type="button" class="-mr-2 flex h-10 w-10 items-center justify-center rounded-md bg-white p-2 text-gray-400 hover:bg-gray-50 focus:outline-none focus:ring-2 focus:ring-indigo-500" @click="open = false">
                  <span class="sr-only">Close menu</span>
                  <XMarkIcon class="h-6 w-6" aria-hidden="true" />
                </button>
              </div>

              <!-- Filters -->
              <form class="mt-4">
                <Disclosure as="div" v-for="section in filters" :key="section.name" class="border-t border-gray-200 px-4 py-6" v-slot="{ open }">
                  <h3 class="-mx-2 -my-3 flow-root">
                    <DisclosureButton class="flex w-full items-center justify-between bg-white px-2 py-3 text-sm text-gray-400">
                      <span class="font-medium text-gray-900">{{ section.name }}</span>
                      <span class="ml-6 flex items-center">
                        <ChevronDownIcon :class="[open ? '-rotate-180' : 'rotate-0', 'h-5 w-5 transform']" aria-hidden="true" />
                      </span>
                    </DisclosureButton>
                  </h3>
                  <DisclosurePanel class="pt-6">
                    <div class="space-y-6">
                      <div v-for="(option, optionIdx) in section.options" :key="option.value" class="flex items-center">
                        <input :id="`filter-mobile-${section.id}-${optionIdx}`" :name="`${section.id}[]`" :value="option.value" type="checkbox" class="h-4 w-4 rounded border-gray-300 text-indigo-600 focus:ring-indigo-500" />
                        <label :for="`filter-mobile-${section.id}-${optionIdx}`" class="ml-3 text-sm text-gray-500">{{ option.label }}</label>
                      </div>
                    </div>
                  </DisclosurePanel>
                </Disclosure>
              </form>
            </DialogPanel>
          </TransitionChild>
        </div>
      </Dialog>
    </TransitionRoot>

    <div class="mx-auto max-w-3xl px-4 text-center sm:px-6 lg:max-w-7xl lg:px-8">
      <div class="py-24">
        <h1 class="text-4xl font-bold tracking-tight text-gray-900">New Arrivals</h1>
        <p class="mx-auto mt-4 max-w-3xl text-base text-gray-500">Thoughtfully designed objects for the workspace, home, and travel.</p>
      </div>

      <section aria-labelledby="filter-heading" class="border-t border-gray-200 py-6">
        <h2 id="filter-heading" class="sr-only">Product filters</h2>

        <div class="flex items-center justify-between">
          <Menu as="div" class="relative inline-block text-left">
            <div>
              <MenuButton class="group inline-flex justify-center text-sm font-medium text-gray-700 hover:text-gray-900">
                Sort
                <ChevronDownIcon class="-mr-1 ml-1 h-5 w-5 flex-shrink-0 text-gray-400 group-hover:text-gray-500" aria-hidden="true" />
              </MenuButton>
            </div>

            <transition enter-active-class="transition ease-out duration-100" enter-from-class="transform opacity-0 scale-95" enter-to-class="transform opacity-100 scale-100" leave-active-class="transition ease-in duration-75" leave-from-class="transform opacity-100 scale-100" leave-to-class="transform opacity-0 scale-95">
              <MenuItems class="absolute left-0 z-10 mt-2 w-40 origin-top-left rounded-md bg-white shadow-2xl ring-1 ring-black ring-opacity-5 focus:outline-none">
                <div class="py-1">
                  <MenuItem v-for="option in sortOptions" :key="option" v-slot="{ active }">
                    <a :href="option.href" :class="[active ? 'bg-gray-100' : '', 'block px-4 py-2 text-sm font-medium text-gray-900']">{{ option.name }}</a>
                  </MenuItem>
                </div>
              </MenuItems>
            </transition>
          </Menu>

          <button type="button" class="inline-block text-sm font-medium text-gray-700 hover:text-gray-900 sm:hidden" @click="open = true">Filters</button>

          <PopoverGroup class="hidden sm:flex sm:items-baseline sm:space-x-8">
            <Popover as="div" v-for="(section, sectionIdx) in filters" :key="section.name" :id="`desktop-menu-${sectionIdx}`" class="relative inline-block text-left">
              <div>
                <PopoverButton class="group inline-flex items-center justify-center text-sm font-medium text-gray-700 hover:text-gray-900">
                  <span>{{ section.name }}</span>
                  <span v-if="sectionIdx === 0" class="ml-1.5 rounded bg-gray-200 py-0.5 px-1.5 text-xs font-semibold tabular-nums text-gray-700">1</span>
                  <ChevronDownIcon class="-mr-1 ml-1 h-5 w-5 flex-shrink-0 text-gray-400 group-hover:text-gray-500" aria-hidden="true" />
                </PopoverButton>
              </div>

              <transition enter-active-class="transition ease-out duration-100" enter-from-class="transform opacity-0 scale-95" enter-to-class="transform opacity-100 scale-100" leave-active-class="transition ease-in duration-75" leave-from-class="transform opacity-100 scale-100" leave-to-class="transform opacity-0 scale-95">
                <PopoverPanel class="absolute right-0 z-10 mt-2 origin-top-right rounded-md bg-white p-4 shadow-2xl ring-1 ring-black ring-opacity-5 focus:outline-none">
                  <form class="space-y-4">
                    <div v-for="(option, optionIdx) in section.options" :key="option.value" class="flex items-center">
                      <input :id="`filter-${section.id}-${optionIdx}`" :name="`${section.id}[]`" :value="option.value" type="checkbox" class="h-4 w-4 rounded border-gray-300 text-indigo-600 focus:ring-indigo-500" />
                      <label :for="`filter-${section.id}-${optionIdx}`" class="ml-3 whitespace-nowrap pr-6 text-sm font-medium text-gray-900">{{ option.label }}</label>
                    </div>
                  </form>
                </PopoverPanel>
              </transition>
            </Popover>
          </PopoverGroup>
        </div>
      </section>
    </div>
  </div>
</template>

<script setup>
import { ref } from 'vue'
import {
  Dialog,
  DialogPanel,
  Disclosure,
  DisclosureButton,
  DisclosurePanel,
  Menu,
  MenuButton,
  MenuItem,
  MenuItems,
  Popover,
  PopoverButton,
  PopoverGroup,
  PopoverPanel,
  TransitionChild,
  TransitionRoot,
} from '@headlessui/vue'
import { XMarkIcon } from '@heroicons/vue/24/outline'
import { ChevronDownIcon } from '@heroicons/vue/20/solid'

const sortOptions = [
  { name: 'Most Popular', href: '#' },
  { name: 'Best Rating', href: '#' },
  { name: 'Newest', href: '#' },
]
const filters = [
  {
    id: 'category',
    name: 'Category',
    options: [
      { value: 'tees', label: 'Tees' },
      { value: 'crewnecks', label: 'Crewnecks' },
      { value: 'hats', label: 'Hats' },
    ],
  },
  {
    id: 'brand',
    name: 'Brand',
    options: [
      { value: 'clothing-company', label: 'Clothing Company' },
      { value: 'fashion-inc', label: 'Fashion Inc.' },
      { value: 'shoes-n-more', label: "Shoes 'n More" },
    ],
  },
  {
    id: 'color',
    name: 'Color',
    options: [
      { value: 'white', label: 'White' },
      { value: 'black', label: 'Black' },
      { value: 'grey', label: 'Grey' },
    ],
  },
  {
    id: 'sizes',
    name: 'Sizes',
    options: [
      { value: 's', label: 'S' },
      { value: 'm', label: 'M' },
      { value: 'l', label: 'L' },
    ],
  },
]

const open = ref(false)
</script>