<template>
  <div class="dv-running-line" :ref="ref">
    <svg :width="width" :height="height">
      <polyline
              :stroke="mergedColor[1]"
              stroke-width="2"
              :points="`0, ${height / 2} ${width}, ${height / 2}`"/>

      <polyline
              :stroke="mergedColor[0]"
              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="mergedColor[0]"
              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="mergedColor[0]"
              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="mergedColor[1]">
        <animate
                :id="animationId1"
                attributeName="fill"
                :values="`${mergedColor[1]};${mergedColor[0]}`"
                :begin="`0s;${animationId7}.end`"
                dur="0.3s"
                fill="freeze"/>
      </circle>

      <circle :cx="width * 0.2" :cy="height / 2" r="2" :fill="mergedColor[1]">
        <animate
                :id="animationId3"
                attributeName="fill"
                :values="`${mergedColor[1]};${mergedColor[0]}`"
                :begin="`${animationId2}.end`"
                dur="0.3s"
                fill="freeze"/>
        <animate
                attributeName="fill"
                :values="`${mergedColor[1]};${mergedColor[1]}`"
                dur="0.01s"
                :begin="`${animationId7}.end`"
                fill="freeze"/>
      </circle>

      <circle :cx="width * 0.8" :cy="height / 2" r="2" :fill="mergedColor[1]">
        <animate
                :id="animationId5"
                attributeName="fill"
                :values="`${mergedColor[1]};${mergedColor[0]}`"
                :begin="`${animationId4}.end`"
                dur="0.3s"
                fill="freeze"/>
        <animate
                attributeName="fill"
                :values="`${mergedColor[1]};${mergedColor[1]}`"
                dur="0.01s"
                :begin="`${animationId7}.end`"
                fill="freeze"/>
      </circle>

      <circle :cx="width - 2" :cy="height / 2" r="2" :fill="mergedColor[1]">
        <animate
                :id="animationId7"
                attributeName="fill"
                :values="`${mergedColor[1]};${mergedColor[0]}`"
                :begin="`${animationId6}.end`"
                dur="0.3s"
                fill="freeze"/>
        <animate
                attributeName="fill"
                :values="`${mergedColor[1]};${mergedColor[1]}`"
                dur="0.01s"
                :begin="`${animationId7}.end`"
                fill="freeze"/>
      </circle>
    </svg>
  </div>
</template>

<script>
  import AutoResize from "../../../mixins/AutoResize";
  import {uuid} from "../../../utils/utils";
  import {deepClone} from "canknow-core/src/libs/object";
  import { merge } from 'canknow-core/src/libs/object';

  export default {
    name: 'DvRunningLine',
    mixins: [AutoResize],
    props: {
      color: {
        type: Array,
        default: () => ([])
      }
    },
    data () {
      const id = uuid()
      return {
        ref: 'runningLine',
        animationId1: `d10ani1${id}`,
        animationId2: `d10ani2${id}`,
        animationId3: `d10ani3${id}`,
        animationId4: `d10ani4${id}`,
        animationId5: `d10ani5${id}`,
        animationId6: `d10ani6${id}`,
        animationId7: `d10ani7${id}`,
        defaultColor: ['#00c2ff', 'rgba(0, 194, 255, 0.3)'],
        mergedColor: []
      }
    },
    watch: {
      color () {
        const { mergeColor } = this;
        mergeColor();
      }
    },
    methods: {
      mergeColor () {
        const { color, defaultColor } = this;
        this.mergedColor = merge(deepClone(defaultColor, true), color || []);
      }
    },
    mounted () {
      const { mergeColor } = this;
      mergeColor();
    }
  }
</script>
