<script lang="ts" setup>
import { computed } from 'vue'
import { Menu } from 'ant-design-vue'
import { itemProps } from '../props'
import BasicMenuItem from './BasicMenuItem.vue'
import MenuItemContent from './MenuItemContent.vue'
import { useDesign } from '@/hooks/web/useDesign'
import type { Menu as MenuType } from '@/router/types'

defineOptions({ name: 'BasicSubMenuItem' })

const props = defineProps(itemProps)

const SubMenu = Menu.SubMenu

const { prefixCls } = useDesign('basic-menu-item')

const getShowMenu = computed(() => !props.item.meta?.hideMenu)
function menuHasChildren(menuTreeItem: MenuType): boolean {
  return (
    !menuTreeItem.meta?.hideChildrenInMenu
    && Reflect.has(menuTreeItem, 'children')
    && !!menuTreeItem.children
    && menuTreeItem.children.length > 0
  )
}
</script>

<template>
  <BasicMenuItem v-if="!menuHasChildren(item) && getShowMenu" v-bind="$props" :class="prefixCls" />
  <SubMenu v-if="menuHasChildren(item) && getShowMenu" :key="`submenu-${item.path}`" :class="[theme]" popup-class-name="app-top-menu-popup">
    <template #title>
      <MenuItemContent v-bind="$props" :item="item" />
    </template>

    <template v-for="childrenItem in item.children || []" :key="childrenItem.path">
      <BasicSubMenuItem v-bind="$props" :item="childrenItem" />
    </template>
  </SubMenu>
</template>
