<template>
  <!-- #ifdef APP -->
  <scroll-view class="page-scroll-view">
  <!-- #endif -->
    <view class="uni-common-mb uni-common-pb">
      <page-head title="swiper,可滑动视图"></page-head>
      <view>
        <!-- 微信小程序自身Bug，autoplay为false时更新interval会导致swiper启用自动播放 -->
        <swiper id="swiper-view" class="swiper" :vertical="verticalSelect" :indicator-dots="dotsSelect"
          :autoplay="autoplaySelect" :bounces="reboundSelect" :interval="intervalSelect" :circular="circularSelect"
          :duration="durationSelect" :indicator-color="indicatorColor" :indicator-active-color="indicatorColorActive"
          :disable-touch="disableTouchSelect" :current="currentVal" :current-item-id="currentItemIdVal"
          @change="swiperChange" @transition="swiperTransition" @animationfinish="swiperAnimationfinish"
          @touchstart="swipertouchStart">
          <swiper-item item-id="A">
            <view class="swiper-item uni-bg-red"><text class="swiper-item-Text" @touchstart="viewtouchStart">A</text>
            </view>
          </swiper-item>
          <swiper-item item-id="B">
            <view class="swiper-item uni-bg-green"><text class="swiper-item-Text">B</text></view>
          </swiper-item>
          <swiper-item item-id="C">
            <view class="swiper-item uni-bg-blue"><text class="swiper-item-Text">C</text></view>
          </swiper-item>
        </swiper>
      </view>
      <view class="uni-list">
        <view class="uni-list-cell uni-list-cell-padding">
          <view class="uni-list-cell-db">显示面板指示点</view>
          <switch :checked="dotsSelect" @change="dotsChange" />
        </view>
        <view class="uni-list-cell uni-list-cell-padding">
          <view class="uni-list-cell-db">定制指示器颜色</view>
          <switch :checked="indicatorColorSelect" @change="indicatorColorChange" />
        </view>
        <view class="uni-list-cell uni-list-cell-padding">
          <view class="uni-list-cell-db">禁止 touch 操作</view>
          <switch :checked="disableTouchSelect" @change="disableTouchChange" />
        </view>
        <view class="uni-list-cell uni-list-cell-padding">
          <view class="uni-list-cell-db">是否自动切换</view>
          <switch :checked="autoplaySelect" @change="autoplayChange" />
        </view>
        <view class="uni-list-cell uni-list-cell-padding">
          <view class="uni-list-cell-db">是否衔接滑动</view>
          <switch :checked="circularSelect" @change="circularChange" />
        </view>
        <view class="uni-title uni-list-cell-padding">间隔时间(毫秒)</view>
        <view class="uni-padding-wrap">
          <slider @change="sliderChange" :value="2000" :min="500" :max="5000" :show-value="true" />
        </view>
        <view class="uni-title uni-list-cell-padding">动画时长(毫秒)</view>
        <view class="uni-padding-wrap">
          <slider @change="durationSliderChange" :value="500" :min="50" :max="2000" :show-value="true" />
        </view>
        <view class="uni-list-cell uni-list-cell-padding">
          <view class="uni-list-cell-db">是否纵向滑动</view>
          <switch :checked="verticalSelect" @change="verticalChange" />
        </view>
        <view class="uni-list-cell uni-list-cell-padding">
          <view class="uni-list-cell-db">是否回弹效果</view>
          <!-- 仅 android ios harmony 支持，web 微信小程序 bounces 为 true -->
          <switch :checked="reboundSelect" @change="reboundSelectChange" />
        </view>
        <view class="uni-list-cell uni-list-cell-padding">
          <view class="uni-list-cell-db">指定current为最后一个元素</view>
          <switch :checked="currentSelect" @change="currentChange" />
        </view>
        <view class="uni-list-cell uni-list-cell-padding">
          <view class="uni-list-cell-db">指定current-item-id为最后一个元素</view>
          <switch :checked="currentItemIdSelect" @change="currentItemIdChange" />
        </view>
        <view class="uni-list-cell uni-list-cell-padding">
          <view class="uni-list-cell-db">打印 swiperChange 日志</view>
          <switch :checked="swiperChangeSelect" @change="swiperChangeChange" />
        </view>
        <view class="uni-list-cell uni-list-cell-padding">
          <view class="uni-list-cell-db">打印 swiperTransition 日志</view>
          <switch :checked="swiperTransitionSelect" @change="swiperTransitionChange" />
        </view>
        <view class="uni-list-cell uni-list-cell-padding">
          <view class="uni-list-cell-db">打印 swiperAnimationfinish 日志</view>
          <switch :checked="swiperAnimationfinishSelect" @change="swiperAnimationfinishChange" />
        </view>

        <view class="uni-list-cell-padding">测试 swiper 默认行为</view>
        <swiper class="swiper" :autoplay="autoplayForDefault" :circular="circularForDefault">
          <swiper-item item-id="A">
            <view class="swiper-item uni-bg-red"><text class="swiper-item-Text">A</text></view>
          </swiper-item>
          <swiper-item item-id="B">
            <view class="swiper-item uni-bg-green"><text class="swiper-item-Text">B</text></view>
          </swiper-item>
          <swiper-item item-id="C">
            <view class="swiper-item uni-bg-blue"><text class="swiper-item-Text">C</text></view>
          </swiper-item>
        </swiper>
        <view class="uni-list-cell uni-list-cell-padding">
          <view class="uni-list-cell-db">是否自动切换</view>
          <switch :checked="autoplayForDefault" @change="() => {autoplayForDefault = !autoplayForDefault}" />
        </view>
        <view class="uni-list-cell uni-list-cell-padding">
          <view class="uni-list-cell-db">是否衔接滑动</view>
          <switch :checked="circularForDefault" @change="() => {circularForDefault = !circularForDefault}" />
        </view>
        <!-- #ifndef MP -->
        <navigator url="/pages/component/swiper/swiper-list-view">
          <button type="primary">
            swiper 嵌套 list-view 测试
          </button>
        </navigator>
        <navigator url="/pages/component/swiper/swiper-anim" style="margin-top: 10px;">
        	<button type="primary">
        		swiper 动画测试
        	</button>
        </navigator>
        <!-- #endif -->

      </view>
    </view>
  <!-- #ifdef APP -->
  </scroll-view>
  <!-- #endif -->
</template>

<script>
  type SwiperEventTest = {
    type : string;
    target : UniElement | null;
    currentTarget : UniElement | null;
  }
  export default {
    data() {
      return {
        background: ['color1', 'color2', 'color3'],
        dotsSelect: false,
        reboundSelect: false,
        autoplaySelect: false,
        circularSelect: false,
        indicatorColorSelect: false,
        verticalSelect: false,
        currentSelect: false,
        currentItemIdSelect: false,
        intervalSelect: 2000,
        durationSelect: 500,
        indicatorColor: "",
        indicatorColorActive: "",
        currentVal: 0,
        currentItemIdVal: "",
        disableTouchSelect: false,
        swiperTransitionSelect: false,
        swiperAnimationfinishSelect: false,
        swiperChangeSelect: false,
        currentValChange: 0,
        autoplayForDefault: false,
        circularForDefault: false,
        // 自动化测试
        changeDetailTest: null as UniSwiperChangeEventDetail | null,
        transitionDetailTest: null as UniSwiperTransitionEventDetail | null,
        animationfinishDetailTest: null as UniSwiperAnimationFinishEventDetail | null,
        isChangeTest: '',
        isTransitionTest: '',
        isAnimationfinishTest: '',
        swipeX: 0,
        swipeY: 0
      }
    },
    onReady() {
      // #ifndef MP
      // 获取模拟滑动手势的起始点
      let ele = uni.getElementById("swiper-view")
      let eleRect = ele?.getBoundingClientRect()
      if (eleRect != null) {
        // 避开右侧边界，避免滑动行为响应为侧滑
        this.swipeX = eleRect.width - 40
        this.swipeY += eleRect.y + uni.getSystemInfoSync().safeArea.top + 44 + 35
      }
      // #endif
    },
    methods: {
      swipertouchStart(e : UniTouchEvent) {
        console.log("swiper touchstart")
      },
      viewtouchStart(e : UniTouchEvent) {
        console.log("view touchstart:")
      },
      swiperChange: function (e : UniSwiperChangeEvent) {
        this.changeDetailTest = e.detail
        this.checkEventTest({
          type: e.type,
          target: e.target,
          currentTarget: e.currentTarget
        } as SwiperEventTest, 'change')
        this.currentValChange = e.detail.current
        console.log(this.currentValChange)
        if (this.swiperChangeSelect) {
          console.log("swiperChange", e)
        }
      },
      swiperTransition: function (e : UniSwiperTransitionEvent) {
        this.transitionDetailTest = e.detail
        this.checkEventTest({
          type: e.type,
          target: e.target,
          currentTarget: e.currentTarget
        } as SwiperEventTest, 'transition')
        if (this.swiperTransitionSelect) {
          console.log("swiperTransition", e)
        }
      },
      swiperAnimationfinish: function (e : UniSwiperAnimationFinishEvent) {
        this.animationfinishDetailTest = e.detail
        this.checkEventTest({
          type: e.type,
          target: e.target,
          currentTarget: e.currentTarget
        } as SwiperEventTest, 'animationfinish')
        if (this.swiperAnimationfinishSelect) {
          console.log("swiperAnimationfinish", e)
        }
      },
      //自动化测试例专用
      jest_getSystemInfo() : GetSystemInfoResult {
        return uni.getSystemInfoSync();
      },
      // 自动化测试专用（由于事件event参数对象中存在循环引用，在ios端JSON.stringify报错，自动化测试无法page.data获取）
      checkEventTest(e : SwiperEventTest, eventName : String) {
        // #ifndef MP
        const isPass = e.type === eventName && e.target instanceof UniElement && e.currentTarget instanceof UniElement;
        // #endif
        // #ifdef MP
        const isPass = true;
        // #endif
        const result = isPass ? `${eventName}:Success` : `${eventName}:Fail`;
        switch (eventName) {
          case 'change':
            this.isChangeTest = result
            break;
          case 'transition':
            this.isTransitionTest = result
            break;
          case 'animationfinish':
            this.isAnimationfinishTest = result
            break;
          default:
            break;
        }
      },
      dotsChange: function (e : UniSwitchChangeEvent) {
        this.dotsSelect = e.detail.value
      },
      swiperTransitionChange: function (e : UniSwitchChangeEvent) {
        this.swiperTransitionSelect = e.detail.value
      },
      swiperChangeChange: function (e : UniSwitchChangeEvent) {
        this.swiperChangeSelect = e.detail.value
      },
      swiperAnimationfinishChange: function (e : UniSwitchChangeEvent) {
        this.swiperAnimationfinishSelect = e.detail.value
      },
      autoplayChange: function (e : UniSwitchChangeEvent) {
        this.autoplaySelect = e.detail.value
      },
      verticalChange: function (e : UniSwitchChangeEvent) {
        this.verticalSelect = e.detail.value
      },
      disableTouchChange: function (e : UniSwitchChangeEvent) {
        this.disableTouchSelect = e.detail.value
      },
      currentItemIdChange: function (e : UniSwitchChangeEvent) {
        this.currentItemIdSelect = e.detail.value
        if (this.currentItemIdSelect) {
          this.currentItemIdVal = 'C'
        } else {
          this.currentItemIdVal = 'A'
        }
      },
      currentChange: function (e : UniSwitchChangeEvent) {
        this.currentSelect = e.detail.value
        if (this.currentSelect) {
          this.currentVal = 2
        } else {
          this.currentVal = 0
        }

      },
      circularChange: function (e : UniSwitchChangeEvent) {
        this.circularSelect = e.detail.value
        console.log(this.circularSelect)
      },
      reboundSelectChange: function (e : UniSwitchChangeEvent) {
        this.reboundSelect = e.detail.value
        console.log(this.reboundSelect)
      },
      sliderChange(e : UniSliderChangeEvent) {
        this.intervalSelect = e.detail.value
      },
      durationSliderChange(e : UniSliderChangeEvent) {
        this.durationSelect = e.detail.value
      },
      indicatorColorChange(e : UniSwitchChangeEvent) {
        this.indicatorColorSelect = e.detail.value
        if (this.indicatorColorSelect) {
          // 选择了定制指示器颜色
          this.indicatorColor = "#ff00ff"
          this.indicatorColorActive = "#0000ff"
        } else {
          // 没有选择颜色
          this.indicatorColor = ""
          this.indicatorColorActive = ""
        }
      }
    }
  }
</script>

<style>
  .swiper {
    height: 150px;
  }

  .swiper-item {
    width: 100%;
    height: 150px;
  }

  .swiper-item-Text {
    width: 100%;
    text-align: center;
    line-height: 150px;
  }
</style>