<template>
  <div class="dv-border-box-1" :ref="ref">
    <svg class="border" :width="width" :height="height">
      <polygon :fill="backgroundColor" :points="`10, 27 10, ${height - 27} 13, ${height - 24} 13, ${height - 21} 24, ${height - 11}
      38, ${height - 11} 41, ${height - 8} 73, ${height - 8} 75, ${height - 10} 81, ${height - 10}
      85, ${height - 6} ${width - 85}, ${height - 6} ${width - 81}, ${height - 10} ${width - 75}, ${height - 10}
      ${width - 73}, ${height - 8} ${width - 41}, ${height - 8} ${width - 38}, ${height - 11}
      ${width - 24}, ${height - 11} ${width - 13}, ${height - 21} ${width - 13}, ${height - 24}
      ${width - 10}, ${height - 27} ${width - 10}, 27 ${width - 13}, 25 ${width - 13}, 21
      ${width - 24}, 11 ${width - 38}, 11 ${width - 41}, 8 ${width - 73}, 8 ${width - 75}, 10
      ${width - 81}, 10 ${width - 85}, 6 85, 6 81, 10 75, 10 73, 8 41, 8 38, 11 24, 11 13, 21 13, 24`" />
    </svg>

    <svg
      width="150px"
      height="150px"
      :key="item"
      v-for="item in border"
      :class="`${item} border`"
    >
      <polygon
        :fill="mergedColor[0]"
        points="6,66 6,18 12,12 18,12 24,6 27,6 30,9 36,9 39,6 84,6 81,9 75,9 73.2,7 40.8,7 37.8,10.2 24,10.2 12,21 12,24 9,27 9,51 7.8,54 7.8,63"
      >
        <animate
          attributeName="fill"
          :values="`${mergedColor[0]};${mergedColor[1]};${mergedColor[0]}`"
          dur="0.5s"
          begin="0s"
          repeatCount="indefinite"
        />
      </polygon>
      <polygon
        :fill="mergedColor[1]"
        points="27.599999999999998,4.8 38.4,4.8 35.4,7.8 30.599999999999998,7.8"
      >
        <animate
          attributeName="fill"
          :values="`${mergedColor[1]};${mergedColor[0]};${mergedColor[1]}`"
          dur="0.5s"
          begin="0s"
          repeatCount="indefinite"
        />
      </polygon>
      <polygon
        :fill="mergedColor[0]"
        points="9,54 9,63 7.199999999999999,66 7.199999999999999,75 7.8,78 7.8,110 8.4,110 8.4,66 9.6,66 9.6,54"
      >
        <animate
          attributeName="fill"
          :values="`${mergedColor[0]};${mergedColor[1]};transparent`"
          dur="1s"
          begin="0s"
          repeatCount="indefinite"
        />
      </polygon>
    </svg>

    <div class="border-box-content">
      <slot></slot>
    </div>
  </div>
</template>

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

import { deepMerge } from '@jiaminghi/charts/lib/util/index'

import { deepClone } from '@jiaminghi/c-render/lib/plugin/util'

export default {
  name: 'DvBorderBox1',
  mixins: [autoResize],
  props: {
    color: {
      type: Array,
      default: () => ([])
    },
    backgroundColor: {
      type: String,
      default: 'transparent'
    }
  },
  data () {
    return {
      ref: 'border-box-1',

      border: ['left-top', 'right-top', 'left-bottom', 'right-bottom'],

      defaultColor: ['#4fd2dd', '#235fa7'],

      mergedColor: []
    }
  },
  watch: {
    color () {
      const { mergeColor } = this

      mergeColor()
    }
  },
  methods: {
    mergeColor () {
      const { color, defaultColor } = this

      this.mergedColor = deepMerge(deepClone(defaultColor, true), color || [])
    }
  },
  mounted () {
    const { mergeColor } = this

    mergeColor()
  }
}
</script>

<style lang="less">
.dv-border-box-1 {
  position: relative;
  width: 100%;
  height: 100%;

  .border {
    position: absolute;
    display: block;
  }

  .right-top {
    right: 0px;
    transform: rotateY(180deg);
  }

  .left-bottom {
    bottom: 0px;
    transform: rotateX(180deg);
  }

  .right-bottom {
    right: 0px;
    bottom: 0px;
    transform: rotateX(180deg) rotateY(180deg);
  }

  .border-box-content {
    position: relative;
    width: 100%;
    height: 100%;
  }
}
</style>
