<template>
  <!-- #ifdef APP -->
  <scroll-view style="flex: 1">
  <!-- #endif -->
    <view style="flex-grow: 1">
      <text class="uni-tips">说明：左边是正常版本，右边是拍平版本</text>
      <view>
        <text>flex: 0</text>
        <view class="demo-box">
          <view class="flex-container">
            <view class="flex-item red" style="min-width: 25px; flex: 0"></view>
            <view class="flex-item green"></view>
            <view class="flex-item blue"></view>
          </view>
          <view class="flex-container">
            <view class="flex-item red" style="min-width: 25px; flex: 0" flatten></view>
            <view class="flex-item green"></view>
            <view class="flex-item blue"></view>
          </view>
        </view>
      </view>

      <view>
        <text>flex: 1</text>
        <view class="demo-box">
          <view class="flex-container">
            <view class="flex-item red" style="flex: 1"></view>
            <view class="flex-item green"></view>
            <view class="flex-item blue"></view>
          </view>
          <view class="flex-container">
            <view class="flex-item red" style="flex: 1" flatten></view>
            <view class="flex-item green"></view>
            <view class="flex-item blue"></view>
          </view>
        </view>
      </view>

      <view>
        <text>flex: auto</text>
        <view class="demo-box">
          <view class="flex-container">
            <view class="flex-item red" style="flex: auto"></view>
            <view class="flex-item green"></view>
            <view class="flex-item blue"></view>
          </view>
          <view class="flex-container">
            <view class="flex-item red" style="flex: auto" flatten></view>
            <view class="flex-item green"></view>
            <view class="flex-item blue"></view>
          </view>
        </view>
      </view>

      <view>
        <text>flex: none</text>
        <view class="demo-box">
          <view class="flex-container">
            <view class="flex-item red" style="flex: none"></view>
            <view class="flex-item green"></view>
            <view class="flex-item blue"></view>
          </view>
          <view class="flex-container">
            <view class="flex-item red" style="flex: none" flatten></view>
            <view class="flex-item green"></view>
            <view class="flex-item blue"></view>
          </view>
        </view>
      </view>

      <view class="uni-common-mt">
        <text class="uni-title-text">scroll-view 组件 </text>
      </view>

      <!-- scroll-view 作为 flex 子项 -->
      <view>
        <text class="uni-subtitle-text">scroll-view 作为 flex 子项</text>
        <view class="demo-box">
          <view class="flex-container">
            <view class="flex-item red"></view>
            <scroll-view class="flex-item green" style="flex: 1;" direction="horizontal">
              <text class="scroll-view-label">flex: 1</text>
            </scroll-view>
            <view class="flex-item blue"></view>
          </view>
          <view class="flex-container">
            <view class="flex-item red"></view>
            <scroll-view class="flex-item green" style="flex: auto;" direction="horizontal">
              <text class="scroll-view-label">flex: auto</text>
            </scroll-view>
            <view class="flex-item blue"></view>
          </view>
        </view>
      </view>

      <view class="uni-common-mt">
        <text class="uni-title-text">setProperty 设置与 getPropertyValue 获取 flex </text>
      </view>

      <!-- 普通版本 -->
      <view class="test-container">
        <!-- view 组件测试 -->
        <view class="test-item">
          <text class="uni-subtitle-text">view 组件</text>
          <text class="uni-info">设置值: {{data.flexProp}}</text>
          <text class="uni-info">获取值: {{data.flexActual}}</text>
          <view class="test-box">
            <view class="test-flex-container">
              <view class="common-dynamic" style="background-color: red;"></view>
              <view ref="viewRef" class="common-dynamic test-view" style="background-color: green;" :style="{ flex: data.flexProp }">
                <text class="text-flex">view</text>
              </view>
              <view class="common-dynamic" style="background-color: blue;"></view>
            </view>
          </view>
        </view>

        <!-- text 组件测试 -->
        <view class="test-item">
          <text class="uni-subtitle-text">text 组件</text>
          <text class="uni-info">设置值: {{data.flexProp}}</text>
          <text class="uni-info">获取值: {{data.flexActualText}}</text>
          <view class="test-box">
            <view class="test-flex-container">
              <text class="common-dynamic text-flex" style="background-color: red;">红色</text>
              <text ref="textRef" class="common-dynamic text-flex test-text" style="background-color: green;" :style="{ flex: data.flexProp }">text</text>
              <text class="common-dynamic text-flex" style="background-color: blue;">蓝色</text>
            </view>
          </view>
        </view>

        <!-- image 组件测试 -->
        <view class="test-item">
          <text class="uni-subtitle-text">image 组件</text>
          <text class="uni-info">设置值: {{data.flexProp}}</text>
          <text class="uni-info">获取值: {{data.flexActualImage}}</text>
          <view class="test-box">
            <view class="test-flex-container">
              <image class="common-image" style="background-color: red;" src="/static/test-image/logo.png"></image>
              <image ref="imageRef" class="common-image test-image" style="background-color: green;" :style="{ flex: data.flexProp }" src="/static/test-image/logo.png"></image>
              <image class="common-image" style="background-color: blue;" src="/static/test-image/logo.png"></image>
            </view>
          </view>
        </view>
      </view>

      <!-- 拍平版本 -->
      <view class="test-container">
        <!-- view 组件拍平测试 -->
        <view class="test-item">
          <text class="uni-subtitle-text">view 组件拍平</text>
          <text class="uni-info">设置值: {{data.flexProp}}</text>
          <text class="uni-info">获取值: {{data.flexActualFlat}}</text>
          <view class="test-box">
            <view class="test-flex-container">
              <view class="common-dynamic" style="background-color: red;"></view>
              <view ref="viewRefFlat" class="common-dynamic test-view-flatten" style="background-color: green;" :style="{ flex: data.flexProp }" flatten>
                <text class="text-flex">view</text>
              </view>
              <view class="common-dynamic" style="background-color: blue;"></view>
            </view>
          </view>
        </view>

        <!-- text 组件拍平测试 -->
        <view class="test-item">
          <text class="uni-subtitle-text">text 组件拍平</text>
          <text class="uni-info">设置值: {{data.flexProp}}</text>
          <text class="uni-info">获取值: {{data.flexActualTextFlat}}</text>
          <view class="test-box">
            <view class="test-flex-container">
              <text class="common-dynamic text-flex" style="background-color: red;">红色</text>
              <text ref="textRefFlat" class="common-dynamic text-flex test-text-flatten" style="background-color: green;" :style="{ flex: data.flexProp }" flatten>text</text>
              <text class="common-dynamic text-flex" style="background-color: blue;">蓝色</text>
            </view>
          </view>
        </view>

        <!-- image 组件拍平测试 -->
        <view class="test-item">
          <text class="uni-subtitle-text">image 组件拍平</text>
          <text class="uni-info">设置值: {{data.flexProp}}</text>
          <text class="uni-info">获取值: {{data.flexActualImageFlat}}</text>
          <view class="test-box">
            <view class="test-flex-container">
              <image class="common-image" style="background-color: red;" src="/static/test-image/logo.png"></image>
              <image ref="imageRefFlat" class="common-image test-image-flatten" style="background-color: green;" :style="{ flex: data.flexProp }" flatten src="/static/test-image/logo.png"></image>
              <image class="common-image" style="background-color: blue;" src="/static/test-image/logo.png"></image>
            </view>
          </view>
        </view>
      </view>

      <view class="uni-common-mt uni-common-mb">
        <text class="uni-tips">第一个枚举值，'' (空字符串) - 空值情况</text>
        <enum-data :items="flexEnum" title="flex 枚举值" @change="radioChangeFlex" :compact="true"></enum-data>
        <input-data :defaultValue="data.flexProp" title="flex 自定义值" type="text" @confirm="inputChangeFlex"></input-data>
      </view>

      <text class="uni-title-text uni-common-mt">native-view 组件：flex: 1; 和 flex: auto;</text>
      <text class="uni-subtitle-text">native-view 作为 flex 子项</text>
      <view class="demo-box uni-common-mb">
        <view class="flex-container">
          <view class="flex-item red"></view>
          <native-view class="flex-item green" style="flex: 1;"></native-view>
          <view class="flex-item blue"></view>
        </view>
        <view class="flex-container">
          <view class="flex-item red"></view>
          <native-view class="flex-item green" style="flex: auto;"></native-view>
          <view class="flex-item blue"></view>
        </view>
      </view>
    </view>
  <!-- #ifdef APP -->
  </scroll-view>
  <!-- #endif -->
</template>

<script setup lang="uts">
  import { ItemType } from '@/components/enum-data/enum-data-types'

  const flexEnum: ItemType[] = [
    { value: 0, name: '' },
    { value: 1, name: '0' },
    { value: 2, name: '1' },
    { value: 3, name: '2' },
    { value: 4, name: 'auto' },
    { value: 5, name: 'none' },
    { value: 6, name: '1 1 auto' }
  ]

  const data = reactive({
    flexProp: '1',
    flexActual: '',
    flexActualFlat: '',
    flexActualText: '',
    flexActualImage: '',
    flexActualTextFlat: '',
    flexActualImageFlat: ''
  })
  const viewRef = ref(null as UniElement | null)
  const viewRefFlat = ref(null as UniElement | null)
  const textRef = ref(null as UniTextElement | null)
  const imageRef = ref(null as UniImageElement | null)
  const textRefFlat = ref(null as UniTextElement | null)
  const imageRefFlat = ref(null as UniImageElement | null)

  const getPropertyValues = () => {
    data.flexActual = viewRef.value?.style.getPropertyValue('flex') ?? ''
    data.flexActualFlat = viewRefFlat.value?.style.getPropertyValue('flex') ?? ''
    data.flexActualText = textRef.value?.style.getPropertyValue('flex') ?? ''
    data.flexActualTextFlat = textRefFlat.value?.style.getPropertyValue('flex') ?? ''
    data.flexActualImage = imageRef.value?.style.getPropertyValue('flex') ?? ''
    data.flexActualImageFlat = imageRefFlat.value?.style.getPropertyValue('flex') ?? ''
  }

  const changeFlex = (value: string) => {
    data.flexProp = value
    viewRef.value?.style.setProperty('flex', value)
    viewRefFlat.value?.style.setProperty('flex', value)
    textRef.value?.style.setProperty('flex', value)
    textRefFlat.value?.style.setProperty('flex', value)
    imageRef.value?.style.setProperty('flex', value)
    imageRefFlat.value?.style.setProperty('flex', value)
    // 使用 nextTick 确保样式已应用后再获取值
    nextTick(() => {
      getPropertyValues()
    })
  }

  const radioChangeFlex = (index: number) => {
    const selectedItem = flexEnum.find((item): boolean => item.value === index)
    if (selectedItem != null) {
      changeFlex(selectedItem.name)
    }
  }

  const inputChangeFlex = (value: string) => {
    changeFlex(value)
  }

  onReady(() => {
    getPropertyValues()
  })

  defineExpose({
    radioChangeFlex,
    data
  })
</script>

<style>
  .demo-box {
    flex-direction: row;
    margin-top: 10px;
    justify-content: space-around;
  }
  .flex-container {
    flex: 1;
    margin: 0 10px;
    height: 100px;
    background-color: gray;
    flex-direction: row;
  }
  .flex-item {
    width: 40px;
    height: 40px;
  }
  .green {
    background-color: green;
  }
  .blue {
    background-color: blue;
  }
  .red {
    background-color: red;
  }
  .box{
    height: 50px;
    justify-content: center;
    align-items: center;
  }

  .common-dynamic {
    width: 30px;
    height: 30px;
  }

  .common-image {
    width: 30px;
    height: 30px;
  }

  .text-flex {
    font-size: 12px;
    color: white;
  }

  .test-container {
    flex-direction: row;
    justify-content: space-between;
    margin-top: 10px;
  }

  .test-item {
    flex: 1;
    margin: 0 5px;
  }

  .test-box {
    width: 100%;
    height: 50px;
    background-color: gray;
  }


  .test-flex-container {
    width: 100%;
    height: 100%;
    flex-direction: row;
  }

  .scroll-view-label {
    font-size: 12px;
    line-height: 40px;
    text-align: center;
  }
</style>