<template>
  <div class="dv-decoration-10" :ref="ref">
    <svg :width="width" :height="height">
      <polyline
        stroke="rgba(0, 194, 255, 0.3)"
        stroke-width="2"
        :points="`0, ${height / 2} ${width}, ${height / 2}`"
      />

      <polyline
        stroke="rgba(0, 194, 255, 1)"
        stroke-width="2"
        :points="`5, ${height / 2} ${width * 0.2 - 3}, ${height / 2}`"
        :stroke-dasharray="`0, ${width * 0.2}`"
        fill="freeze"
      >
        <animate
          :id="animationId2"
          attributeName="stroke-dasharray"
          :values="`0, ${width * 0.2};${width * 0.2}, 0;`"
          dur="3s"
          :begin="`${animationId1}.end`"
          fill="freeze"
        />
        <animate
          attributeName="stroke-dasharray"
          :values="`${width * 0.2}, 0;0, ${width * 0.2}`"
          dur="0.01s"
          :begin="`${animationId7}.end`"
          fill="freeze"
        />
      </polyline>

      <polyline
        stroke="rgba(0, 194, 255, 1)"
        stroke-width="2"
        :points="`${width * 0.2 + 3}, ${height / 2} ${width * 0.8 - 3}, ${height / 2}`"
        :stroke-dasharray="`0, ${width * 0.6}`"
      >
        <animate
          :id="animationId4"
          attributeName="stroke-dasharray"
          :values="`0, ${width * 0.6};${width * 0.6}, 0`"
          dur="3s"
          :begin="`${animationId3}.end + 1s`"
          fill="freeze"
        />
        <animate
          attributeName="stroke-dasharray"
          :values="`${width * 0.6}, 0;0, ${width * 0.6}`"
          dur="0.01s"
          :begin="`${animationId7}.end`"
          fill="freeze"
        />
      </polyline>

      <polyline
        stroke="rgba(0, 194, 255, 1)"
        stroke-width="2"
        :points="`${width * 0.8 + 3}, ${height / 2} ${width - 5}, ${height / 2}`"
        :stroke-dasharray="`0, ${width * 0.2}`"
      >
        <animate
          :id="animationId6"
          attributeName="stroke-dasharray"
          :values="`0, ${width * 0.2};${width * 0.2}, 0`"
          dur="3s"
          :begin="`${animationId5}.end + 1s`"
          fill="freeze"
        />
        <animate
          attributeName="stroke-dasharray"
          :values="`${width * 0.2}, 0;0, ${width * 0.3}`"
          dur="0.01s"
          :begin="`${animationId7}.end`"
          fill="freeze"
        />
      </polyline>

      <circle cx="2" :cy="height / 2" r="2" fill="#03709f">
        <animate
          :id="animationId1"
          attributeName="fill"
          values="#03709f;#00c2ff"
          :begin="`0s;${animationId7}.end`"
          dur="0.3s"
          fill="freeze"
        />
      </circle>

      <circle :cx="width * 0.2" :cy="height / 2" r="2" fill="#03709f">
        <animate
          :id="animationId3"
          attributeName="fill"
          values="#03709f;#00c2ff"
          :begin="`${animationId2}.end`"
          dur="0.3s"
          fill="freeze"
        />
        <animate
          attributeName="fill"
          values="#03709f;#03709f"
          dur="0.01s"
          :begin="`${animationId7}.end`"
          fill="freeze"
        />
      </circle>

      <circle :cx="width * 0.8" :cy="height / 2" r="2" fill="#03709f">
        <animate
          :id="animationId5"
          attributeName="fill"
          values="#03709f;#00c2ff"
          :begin="`${animationId4}.end`"
          dur="0.3s"
          fill="freeze"
        />
        <animate
          attributeName="fill"
          values="#03709f;#03709f"
          dur="0.01s"
          :begin="`${animationId7}.end`"
          fill="freeze"
        />
      </circle>

      <circle :cx="width - 2" :cy="height / 2" r="2" fill="#03709f">
        <animate
          :id="animationId7"
          attributeName="fill"
          values="#03709f;#00c2ff"
          :begin="`${animationId6}.end`"
          dur="0.3s"
          fill="freeze"
        />
        <animate
          attributeName="fill"
          values="#03709f;#03709f"
          dur="0.01s"
          :begin="`${animationId7}.end`"
          fill="freeze"
        />
      </circle>
    </svg>
  </div>
</template>

<script>
import autoResize from '../../../mixin/autoResize'

export default {
  name: 'DvDecoration10',
  mixins: [autoResize],
  data () {
    const timestamp = Date.now()
    return {
      ref: 'decoration-10',

      animationId1: `d10ani1${timestamp}`,
      animationId2: `d10ani2${timestamp}`,
      animationId3: `d10ani3${timestamp}`,
      animationId4: `d10ani4${timestamp}`,
      animationId5: `d10ani5${timestamp}`,
      animationId6: `d10ani6${timestamp}`,
      animationId7: `d10ani7${timestamp}`
    }
  }
}
</script>