<template>
  <div v-if="!isMobile" class="images" :style="{backgroundImage:`url(${require('@/assets/images/project/video_bg.jpg')})`}">
    <div class="title">{{hotspot.title}}</div>
    <div class="img-con">
      <span @click="active-=1" :class="{noshow:active<=0}">上一张</span>
      <video controls autoplay>
        <source :src="hotspot.video[active].url" type="video/mp4">
      </video> 
      <span @click="active+=1" :class="{noshow:active>=hotspot.video.length - 1}">下一张</span>
      <ul class="pagna">
        <li v-for="(item,i) in hotspot.video" :class="{active:i==active}" :key="i"></li>
      </ul>
    </div>

    <div class="desc" v-html="hotspot.content">
    </div>
  </div>
  <div v-else class="mbimages" :style="{backgroundImage:`url(${require('@/assets/images/project/mb_hostpot.jpg')})`}">
      <div class="title">{{hotspot.title}}</div>
      <swiper class="swiper-wrapper swiper-wrapper-n" :options="swiperOption">
        <swiper-slide  class="swiper-slide" v-for="(item,index) in hotspot.video" :key="index">
          <div class="sl-item">
            <video controls autoplay>
              <source :src="item.url" type="video/mp4">
            </video> 
          </div>
        </swiper-slide>
      </swiper>
      <ul class="pagna">
        <li v-for="(item,i) in hotspot.video" :class="{active: i == mbactive}" :key="i"></li>
      </ul>
      <div v-if="hotspot.content" class="desc">
        <p>简介：</p>
        <div v-html="hotspot.content"></div>
      </div>
    </div>
</template>


<script>
import { Swiper, SwiperSlide } from "vue-awesome-swiper";
import 'swiper/swiper-bundle.css'

export default {
  components: {
    Swiper,
    SwiperSlide,
  },
  props:['hotspot'],
  data(){
    return {
      active:0,
      mbactive:0
    }
  },
  computed:{
    swiperOption() {
      let that = this
      return {
        slidesPerView: 'auto',
        autoplay: false,
        centeredSlides: true,
        watchSlidesProgress: true,
        loop: false,
        on:{
          slideChangeTransitionEnd:function () {
            that.mbactive = this.realIndex
          }
        }
      }
    }
  }
}
</script>

<style lang="less" scoped>
.noshow{
  opacity: 0!important;;
  pointer-events: none!important;;
}

.images{
  width: 100%;
  height: 100%;
  background-repeat: no-repeat;
  text-align: center;
  .title{
    padding: 0 80px;
    display: inline-block;
    color: #DBA761;
    font-weight: bold;
    font-size: 36px;
    height: 70px;
    line-height: 70px;
    background: #BC1515;
    border-radius: 60px;
    margin: 45px auto;
  }
  .img-con{
    display: flex;
    justify-content: space-around;
    align-items: center;
    position: relative;
    padding-bottom: 40px;
    >span{
      display: inline-block;
      padding: 0 30px;
      box-sizing: content-box;
      font-size: 20px;
      height: 50px;
      line-height: 50px;
      background: rgba(188, 21, 21, 0.9);
      border: 2px solid #DBA761;
      border-radius: 37px;
      cursor: pointer;
      &:hover,&.active{
        color: #DBA761;
      }
    }
    >video{
      max-width: 1000px;
      // border: 10px solid #BC1515;
      box-shadow: 0px 3px 6px rgba(0, 0, 0, 0.16);
      max-height: 600px;
      object-fit: fill;
    }
    .pagna{
      position: absolute;
      bottom: 0;
      text-align: center;
      z-index: 999;
      >li{
        width: 60px;
        height: 6px;
        background: #BC1515;
        display: inline-block;
        margin: 0 4px;
        &.active{
          background: #DBA761;
        }
      }
    }
  }
  .desc{
    max-width: 1000px;
    margin: 20px auto 0;
    color: #DBA761;
    text-align: left;
    line-height: 2;
    max-height: 200px;
    overflow-y: auto;
  }
}

@position:62px;
.mbimages{
  width: 100%;
  height: 100%;
  background-repeat: no-repeat;
  background-size: 100% calc(100% + @position);
  background-position: 0 -@position;
  text-align: center;
  .title{
    width: 90%;
    padding: 10px;
    display: inline-block;
    color: #DBA761;
    font-weight: bold;
    font-size: 18px;
    background: #BC1515;
    border-radius: 60px;
    margin: 20px auto;
  }
  .swiper-wrapper {
    height: 250px;
    padding: 0;
    .swiper-slide  {
      width: 85%;
      transform-style: preserve-3d;
      position: relative;
      height: 100%;
      margin: 0 10px;
      .sl-item{
        position: absolute;
        top: 0;
        left: 50%;
        height: 100%;
        transform: translateX(-50%);
        width: 100%;
        overflow: hidden;
        border: 4px solid #BC1515;
        box-shadow: 0px 3px 6px rgba(0, 0, 0, 0.16);
        background-color: #757477;
        >video{
          object-fit: fill;
          height: 100%;
          transform: translateX(-50%);
          position: absolute;
          left: 50%;
        }
      }
    }
  }
  .pagna{
    text-align: center;
    z-index: 999;
    >li{
      width: 40px;
      height: 4px;
      background: #BC1515;
      display: inline-block;
      margin: 0 4px;
      &.active{
        background: #DBA761;
      }
    }
  }
  .desc{
    color: #DBA761;
    text-align: left;
    width: 85%;
    margin: 20px auto 0;
    p{
      font-size: 16px;
      font-weight: bold;
    }
    div{
      font-size: 14px;
      margin-top: 10px;
      line-height: 1.5;
      max-height: 50vh;
      overflow-y: auto;
    }
  }
}
</style>