<template>
  <section class="AiDvDisplay">
    <div class="display-top">
      <img class="left" src="https://cdn.cunwuyun.cn/dvcp/dv/img/display-icon.svg">
      <h2>{{ title }}</h2>
      <img class="right" src="https://cdn.cunwuyun.cn/dvcp/dv/img/display-icon.svg">
    </div>
    <component class="background" :is="type"/>
    <div class="displayPanel">
      <div class="animation">
        <component class="item" v-for="(op,i) in list" :key="i" :is="item" v-bind="op" :style="{transform:getPos(i)}"/>
      </div>
    </div>
  </section>
</template>

<script>
import Display0 from './components/Display0'
import DisplayItem from "./components/displayItem";

export default {
  name: 'AiDvDisplay',
  components: {DisplayItem, Display0},
  props: {
    type: {default: 'display0'},
    item: {default: 'DisplayItem'},
    title: {
      default: '数据统计'
    },
    list: {default: () => []},
  },
  data () {
    return {
    }
  },
  methods: {
    getPos(i) {
      let unit = this.list.length > 0 ? 2 * Math.PI / this.list.length : 0,
          corner = this.list.length > 0 ? 360 / this.list.length : 0
      return `translateZ(${250 * Math.cos(unit * i)}px) translateX(${250 * Math.sin(unit * i)}px) rotateY(${corner * i}deg)`
    }
  }
}
</script>

<style lang="scss" scoped>
.AiDvDisplay {
  position: relative;
  width: 100%;
  height: 100%;

  .display-top {
    position: relative;
    width: 840px;
    background-image: url(asset/display-top.svg);
    background-size: 1420px 142px;
    background-position: center;
    text-align: center;
    overflow: hidden;

    .left {
      position: absolute;
      left: 280px;
      top: 50%;
      z-index: 1;
      width: 35px;
      height: 22px;
      background-image: url(asset/display-icon.svg);
      background-size: 100% 100%;
      transform: translate(0, -50%);
    }

    .right {
      position: absolute;
      right: 280px;
      top: 50%;
      z-index: 1;
      width: 35px;
      height: 22px;
      background-image: url(asset/display-icon.svg);
      background-size: 100% 100%;
      transform: translate(0, -50%) rotate(180deg);
      transform-origin: center;
    }

    h2 {
      line-height: 75px;
      margin: 0;
      font-size: 36px;
      color: #FFFFFF;
      text-shadow: 0px 4px 20px #345FFF;
      background: linear-gradient(180deg, #FFFFFF 0%, #A1E4FF 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }
  }

  .displayPanel {
    position: absolute;
    width: 160px;
    height: 160px;
    transform: translate(-50%, -50%);
    top: 50%;
    left: 50%;
    z-index: 9;

    .animation {
      animation: rotate3D 30s infinite linear;
      transform-style: preserve-3d;

      &:hover {
        animation-play-state: paused;
      }
    }

    .item {
      position: absolute;
    }
  }
}

@keyframes rotate3D {
  from {
    transform: rotateY(0deg);
  }
  to {
    transform: rotateY(360deg);
  }
}

</style>
