<template>
  <div class="flex h-full w-screen justify-center bg-gray-50 p-12">
    <div class="relative inline-block text-left">
      <Menu>
        <span class="rounded-md shadow-sm">
          <MenuButton
            class="focus:shadow-outline-blue inline-flex w-full justify-center rounded-md border border-gray-300 bg-white px-4 py-2 text-sm font-medium leading-5 text-gray-700 transition duration-150 ease-in-out hover:text-gray-500 focus:border-blue-300 focus:outline-none active:bg-gray-50 active:text-gray-800"
          >
            <span>Options</span>
            <svg class="-mr-1 ml-2 h-5 w-5" viewBox="0 0 20 20" fill="currentColor">
              <path
                fillRule="evenodd"
                d="M5.293 7.293a1 1 0 011.414 0L10 10.586l3.293-3.293a1 1 0 111.414 1.414l-4 4a1 1 0 01-1.414 0l-4-4a1 1 0 010-1.414z"
                clipRule="evenodd"
              />
            </svg>
          </MenuButton>
        </span>

        <transition
          enter-active-class="transition duration-100 ease-out"
          enter-from-class="transform scale-95 opacity-0"
          enter-to-class="transform scale-100 opacity-100"
          leave-active-class="transition duration-75 ease-out"
          leave-from-class="transform scale-100 opacity-100"
          leave-to-class="transform scale-95 opacity-0"
        >
          <MenuItems
            class="absolute right-0 mt-2 w-56 origin-top-right divide-y divide-gray-100 rounded-md border border-gray-200 bg-white shadow-lg outline-none"
          >
            <div class="px-4 py-3">
              <p class="text-sm leading-5">Signed in as</p>
              <p class="truncate text-sm font-medium leading-5 text-gray-900">tom@example.com</p>
            </div>

            <div class="py-1">
              <MenuItem as="a" href="#account-settings" :className="resolveClass">
                Account settings
              </MenuItem>
              <MenuItem as="a" href="#support" :className="resolveClass">Support</MenuItem>
              <MenuItem as="a" disabled href="#new-feature" :className="resolveClass">
                New feature (soon)
              </MenuItem>
              <MenuItem as="a" href="#license" :className="resolveClass">License</MenuItem>
            </div>
            <div class="py-1">
              <MenuItem as="a" href="#sign-out" :className="resolveClass">Sign out</MenuItem>
            </div>
          </MenuItems>
        </transition>
      </Menu>
    </div>
  </div>
</template>

<script>
import { defineComponent, h } from 'vue'
import { Menu, MenuButton, MenuItems, MenuItem } from '@headlessui/vue'

function classNames(...classes) {
  return classes.filter(Boolean).join(' ')
}

export default {
  components: {
    Menu,
    MenuButton,
    MenuItems,
    MenuItem,
  },
  setup() {
    return {
      resolveClass({ active, disabled }) {
        return classNames(
          'flex justify-between w-full px-4 py-2 text-sm leading-5 text-left',
          active ? 'bg-gray-100 text-gray-900' : 'text-gray-700',
          disabled && 'cursor-not-allowed opacity-50'
        )
      },
    }
  },
}
</script>
