<template>
  <!-- #ifdef APP -->
  <scroll-view style="flex: 1;" enable-back-to-top="true">
  <!-- #endif -->
    <view class="uni-container" :class="isDarkMode ? 'theme-dark' : 'theme-light'">
      <view v-if="!hasLeftWin" class="uni-header-logo">
        <image class="uni-header-image" src="/static/cssIndex.png"></image>
      </view>
      <view v-if="!hasLeftWin" class="uni-text-box">
        <text class="hello-text">uni-app x App平台支持的CSS，文档详见：</text>
        <u-link class="hello-text" :href="'https://doc.dcloud.net.cn/uni-app-x/css/'" :text="'https://doc.dcloud.net.cn/uni-app-x/css/'"
          :inWhiteList="true"></u-link>
      </view>
      <uni-collapse>
        <uni-collapse-item ref="categoryRef" v-for="menuItem in menu" :key="menuItem.id" :title="menuItem.name"
          class="uni-panel">
          <template v-for="childMenuItem in menuItem.items" :key="childMenuItem.id">
            <view v-if="childMenuItem.items.length==0" class="uni-navigate-item pl"
              hover-class="is--active" @click="goPage(`/${childMenuItem.path}`)">
              <text class="uni-navigate-text" :class="{
                  'left-win-active': leftWinActive === childMenuItem.path && hasLeftWin,
                }">{{ childMenuItem.style["navigationBarTitleText"] }}</text>
              <image :src="arrowRightIcon" class="uni-icon-size"></image>
            </view>
            <uni-collapse v-else style="width: 100%;border-top: 1px solid #f0f0f0;">
              <uni-collapse-item :title="childMenuItem.name" class="uni-panel"
                style="margin-bottom: 0;">
                <view class="uni-navigate-item pl" hover-class="is--active"
                  v-for="grandChildMenuItem in childMenuItem.items" :key="grandChildMenuItem.path"
                  @click="goPage(`/${grandChildMenuItem.path}`)">
                  <text class="uni-navigate-text" :class="{
                      'left-win-active':
                        leftWinActive === grandChildMenuItem.path && hasLeftWin,
                    }">{{ grandChildMenuItem.style["navigationBarTitleText"] }}</text>
                  <image :src="arrowRightIcon" class="uni-icon-size"></image>
                </view>
              </uni-collapse-item>
            </uni-collapse>
          </template>
        </uni-collapse-item>
      </uni-collapse>
    </view>
  <!-- #ifdef APP -->
  </scroll-view>
  <!-- #endif -->
</template>

<script setup lang="uts">
  defineOptions({
    styleIsolation: 'app'
  })

  const activeIndex = inject<Ref<number>>('tabBarCurrentIndex', ref(0))

  const instance = getCurrentInstance()!.proxy!

  import { generateMenu, MenuItem } from './generateMenu.uts'
  const menuData = generateMenu('pages/CSS')
  import { state } from '@/store/index.uts'

  // Template refs
  const categoryRef = ref<ComponentPublicInstance[] | null>(null)

  const menu = ref(menuData as MenuItem[])
  const arrowRightIcon = ref('/static/icons/arrow-right.png')

  const hasLeftWin = computed((): boolean => {
    return !state.noMatchLeftWindow
  })

  const leftWinActive = computed((): string => {
    return state.leftWinActive.slice(1)
  })

  const isDarkMode = computed((): boolean => {
    return state.isDarkMode
  })

  function goPage(url : string) {
    if (hasLeftWin.value) {
      uni.reLaunch({ url })
    } else {
      uni.navigateTo({ url })
    }
  }

  // #ifdef WEB
  watch(() => (instance as any).$route, (newRoute: any) => {
    if (newRoute && newRoute.matched.length) {
      const activeCategoryIndex = menu.value.findIndex(menuItem => menuItem?.items.some(item => leftWinActive.value !== "" && leftWinActive.value === item?.path))
      if (activeCategoryIndex > -1) {
        nextTick(() => {
          const categoryRefs = categoryRef.value
          if (categoryRefs != null && categoryRefs[activeCategoryIndex] != null) {
            categoryRefs[activeCategoryIndex].$callMethod('openCollapse', true)
          }
        })
      }
    }
  }, { immediate: true })
  // #endif
</script>

<style>
  .pl{
    padding-left: 18px
  }
</style>