<template>
  <div ref="chartRef" :class="className" :style="{height:height,width:width}" />
</template>

<script setup>
import { ref, onMounted, onBeforeUnmount, nextTick } from 'vue'
import * as echarts from 'echarts'
import { useChartResize } from './useChartResize'

const props = defineProps({
  className: {
    type: String,
    default: 'chart'
  },
  width: {
    type: String,
    default: '100%'
  },
  height: {
    type: String,
    default: '300px'
  }
})

const chartRef = ref(null)
const chartInstance = ref(null)
const { initResizeListener, removeResizeListener } = useChartResize(chartInstance)

const initChart = () => {
  if (!chartRef.value) return

  if (chartInstance.value) {
    chartInstance.value.dispose()
  }

  chartInstance.value = echarts.init(chartRef.value, 'macarons')

  chartInstance.value.setOption({
    tooltip: {
      trigger: 'item',
      formatter: '{a} <br/>{b} : {c} ({d}%)'
    },
    legend: {
      left: 'center',
      bottom: '10',
      data: ['Industries', 'Technology', 'Forex', 'Gold', 'Forecasts']
    },
    series: [
      {
        name: 'WEEKLY WRITE ARTICLES',
        type: 'pie',
        roseType: 'radius',
        radius: [15, 95],
        center: ['50%', '38%'],
        data: [
          { value: 320, name: 'Industries' },
          { value: 240, name: 'Technology' },
          { value: 149, name: 'Forex' },
          { value: 100, name: 'Gold' },
          { value: 59, name: 'Forecasts' }
        ],
        labelLine: {
          show: false
        },
        label:{
          show:false
        },
        animationEasing: 'cubicInOut',
        animationDuration: 2600
      }
    ]
  })
}

onMounted(() => {
  nextTick(() => {
    initChart()
    initResizeListener(chartRef.value)
  })
})

onBeforeUnmount(() => {
  removeResizeListener()
  if (chartInstance.value) {
    chartInstance.value.dispose()
    chartInstance.value = null
  }
})
</script>