<template>
  <view class="group_1">
    <swiper :current="swiperCurrent" @change="changeSwiper" class="swiper">
      <swiper-item v-for="(item, index) in list" :key="index">
        <image mode="aspectFit" v-if="item.type == 'image'" :src="item.url" class="image" @click="preview(item.url)" />
        <view v-if="item.type == 'video'" class="video-area">
          <image mode="aspectFit" @click="playVideo(index)" v-show="showIndex != index" :src="item.imageUrl" class="image" />
          <view>
            <video v-if="showIndex == index" autoplay :src="item.url" class="video"></video>
          </view>
        </view>
      </swiper-item>
    </swiper>
    <image src="/static/imgs/general/share-gray-icon.png" class="image_1" />
    <view class="flex-col items-center text-wrapper">
      <text>{{ swiperCurrent + 1 }}/{{ list.length }}</text>
    </view>
    <image v-if="showClose" @click="closeVideo()" class="video-close" src="/static/imgs/promotion/video-close.png"></image>
  </view>
</template>

<script>
export default {
  props: {
    /**
     * @property {Array<Object>} list - banner列表
     * @property {String} list.type - banner类型，image:图片，video:视频
     * @property {String} list.url - banner图片地址
     * @property {String} list.imageUrl - banner视频封面地址
     */
    list: {
      type: Array,
      default: () => []
    }
  },
  data() {
    return {
      swiperCurrent: 0,
      showIndex: null,
      showClose: false
    }
  },
  methods: {
    changeSwiper(e) {
      this.swiperCurrent = e.detail.current
    },
    playVideo(index) {
      this.showClose = true
      this.showIndex = index
    },
    closeVideo() {
      this.showIndex = null
      this.showClose = false
    },
    preview(url) {
      let urls = []
      for (let item of this.list) {
        if (item.type == 'image') {
          urls.push(item.url)
        }
      }
      uni.previewImage({
        current: url,
        urls: urls
      })
    }
  }
}
</script>

<style lang="scss" scoped>
.image_1 {
  position: absolute;
  top: 78rpx;
  right: 20rpx;
  border-radius: 50%;
  width: 66rpx;
  height: 66rpx;
}
.group_1 {
  color: rgb(255, 255, 255);
  font-size: 28rpx;
  line-height: 40rpx;
  white-space: nowrap;
  position: relative;
  height: 440rpx;
  width: 750rpx;
  .swiper {
    height: 440rpx;
    width: 750rpx;
  }
  .image {
    width: 750rpx;
    height: 440rpx;
    background-color: rgb(0, 0, 0);
  }
  .video-area {
    width: 100%;
    height: 100%;
    position: relative;
    .video {
      width: 750rpx;
      height: 440rpx;
    }
  }

  .text-wrapper {
    position: absolute;
    right: 20rpx;
    bottom: 62rpx;
    background-color: rgba(0, 0, 0, 0.4);
    border-radius: 20rpx;
    width: 64rpx;
  }
}
/** 定制关闭 */
.video-close {
  position: fixed;
  bottom: 260rpx;
  right: 32rpx;
  width: 66rpx;
  height: 66rpx;
  z-index: 9999;
}
</style>
