<template>
  <v-chart
    ref="vChartRef"
    :init-options="initOptions"
    :theme="themeColor"
    :option="option"
    :manual-update="isPreview()"
    :update-options="{
      replaceMerge: replaceMergeArr
    }"
    autoresize
    @mouseover="handleHighlight"
    @mouseout="handleDownplay"
  >
  </v-chart>
</template>

<script setup lang="ts">
import { PropType, computed, watch, ref, onMounted, unref, toRaw, toRefs,nextTick } from 'vue'
import VChart from 'vue-echarts'
import { useCanvasInitOptions } from '@/hooks/useCanvasInitOptions.hook'
import { use } from 'echarts/core'
import { CanvasRenderer } from 'echarts/renderers'
import { LineChart } from 'echarts/charts'
import config, { includes,seriesItem } from './config'
import { mergeTheme } from '@/packages/public/chart'
import { useChartEditStore } from '@/store/modules/chartEditStore/chartEditStore'
import { useChartDataFetch } from '@/hooks'
import { isPreview } from '@/utils'
import { DatasetComponent, GridComponent, TooltipComponent, LegendComponent } from 'echarts/components'
import dataJson from './data.json'
import { useFullScreen } from '../../utls/fullScreen'
import { SocketReceiveMessageType } from '@/store/external/modules/socketStore.d'
import { useAssembleDataHooks } from '@/hooks/external/useAssembleData.hook'
import isObject from 'lodash/isObject'
import cloneDeep from 'lodash/cloneDeep'

const props = defineProps({
  themeSetting: {
    type: Object,
    required: true
  },
  themeColor: {
    type: Object,
    required: true
  },
  chartConfig: {
    type: Object as PropType<config>,
    required: true
  }
})

interface RealTimeItemType {
  [key: string]: number
}

const { chartMaxDataPoint } = toRefs(props.chartConfig.option)

const initOptions = useCanvasInitOptions(props.chartConfig.option, props.themeSetting)

use([DatasetComponent, CanvasRenderer, LineChart, GridComponent, TooltipComponent, LegendComponent])

const replaceMergeArr = ref<string[]>()

const option = computed(() => {
  return mergeTheme(props.chartConfig.option, props.themeSetting, includes)
})

const toolBoxOption = {
  show: true,
  right: 20,
  feature: {
    myFullButton: {
      show: true,
      title: '全屏查看',
      icon: 'path://M733.549304 0l116.434359 116.23452-226.402521 226.40252 57.053835 57.068109 226.459617-226.445342 120.616689 120.41685V0H733.549304zM689.513507 619.855586l-57.068108 57.068109 224.232847 224.232847-122.64362 122.843458h293.676657V729.838022l-114.007751 114.207588-224.190025-224.190024zM338.197775 404.144414l57.068109-57.068109L171.033037 122.843458 293.676657 0H0v294.161978l114.022025-114.207588 224.17575 224.190024zM347.076305 624.294851L120.616689 850.754468 0 730.323343v293.676657h294.161978l-116.420084-116.23452 226.40252-226.40252-57.068109-57.068109z',
      onclick: () => {
        const getEchartDom = vChartRef.value?.getDom()
        const domName = document.getElementById(getEchartDom.id) as HTMLElement
        const htmlName = document.querySelector('html') as HTMLHtmlElement
        useFullScreen(domName, htmlName)
      }
    }
  }
}

props.chartConfig.option = {
  ...props.chartConfig.option,
  ...{ toolbox: toolBoxOption }
}

const realTimeList = ref<RealTimeItemType[]>([])

let seriesDataNum = -1
let seriesDataMaxLength = 0
let intervalInstance: any = null
const duration = 1500

// 会重新选择需要选中和展示的数据
const handleSeriesData = () => {
  if (seriesDataNum > -1) {
    vChartRef.value?.dispatchAction({
      type: 'downplay',
      dataIndex: seriesDataNum
    })
  }
  seriesDataNum = seriesDataNum >= seriesDataMaxLength - 1 ? 0 : seriesDataNum + 1
  vChartRef.value?.dispatchAction({
    type: 'showTip',
    seriesIndex: 0,
    dataIndex: seriesDataNum
  })
}

// 新增轮播
const addPieInterval = (newData?: typeof dataJson, skipPre = false) => {
  if (!skipPre && !Array.isArray(newData?.source)) return
  if (!skipPre) seriesDataMaxLength = newData?.source.length || 0
  clearInterval(intervalInstance)
  intervalInstance = setInterval(() => {
    handleSeriesData()
  }, duration)
}

// 取消轮播
const clearPieInterval = () => {
  vChartRef.value?.dispatchAction({
    type: 'hideTip',
    seriesIndex: 0,
    dataIndex: seriesDataNum
  })
  vChartRef.value?.dispatchAction({
    type: 'downplay',
    dataIndex: seriesDataNum
  })
  clearInterval(intervalInstance)
  intervalInstance = null
}

// 处理鼠标聚焦高亮内容
const handleHighlight = () => {
  clearPieInterval()
}

// 处理鼠标取消悬浮
const handleDownplay = () => {
  if (props.chartConfig.option.isCarousel && !intervalInstance) {
    // 恢复轮播
    addPieInterval(undefined, true)
  }
}

watch(
  () => props.chartConfig.option.isCarousel,
  newData => {
    if (newData) {
      addPieInterval(undefined, true)
      props.chartConfig.option.legend.show = false
    } else {
      props.chartConfig.option.legend.show = true
      clearPieInterval()
    }
  }
)

// dataset 无法变更条数的补丁
watch(
  () => props.chartConfig.option.dataset,
  (newData: { dimensions: any }, oldData) => {
    try {
      if (!isObject(newData) || !('dimensions' in newData)) return
      if (Array.isArray(newData?.dimensions)) {
        const seriesArr = []
        // 对oldData进行判断，防止传入错误数据之后对旧维度判断产生干扰
        // 此处计算的是dimensions的Y轴维度，若是dimensions.length为0或1，则默认为1，排除X轴维度干扰
        const oldDimensions =
          Array.isArray(oldData?.dimensions) && oldData.dimensions.length >= 1 ? oldData.dimensions.length : 1
        const newDimensions = newData.dimensions.length >= 1 ? newData.dimensions.length : 1
        const dimensionsGap = newDimensions - oldDimensions
        if (dimensionsGap < 0) {
          props.chartConfig.option.series.splice(newDimensions - 1)
        } else if (dimensionsGap > 0) {
          if (!oldData || !oldData?.dimensions || !Array.isArray(oldData?.dimensions) || !oldData?.dimensions.length) {
            props.chartConfig.option.series = []
          }
          for (let i = 0; i < dimensionsGap; i++) {
            seriesArr.push(cloneDeep(seriesItem))
          }
          props.chartConfig.option.series.push(...seriesArr)
        }
        replaceMergeArr.value = ['series']
        nextTick(() => {
          replaceMergeArr.value = []
        })
      }
    } catch (error) {
      console.log(error)
    }
  },
  {
    deep: false
  }
)

//fix 修复v-chart图表绑定联动组件视图不更新问题
const updateVChart = (newData: SocketReceiveMessageType) => {
  if (!newData) return
  const { data } = newData
  const {keys,record}= useAssembleDataHooks(data)
  if (unref(realTimeList).length >= chartMaxDataPoint.value) {
    unref(realTimeList).splice(0, 1)
  }
  realTimeList.value.push(record)
  const dataset = {
      dimensions: ['ts', ...keys],
      source: toRaw(unref(realTimeList))
  }
  vChartRef.value?.setOption({
    ...option.value,
    dataset
  },
  {
    notMerge: true // 修复ws 属性对应属性值不匹配
  })
}

const { vChartRef } = useChartDataFetch(props.chartConfig, useChartEditStore, newData => {
  updateVChart(newData)
})

onMounted(() => {
  seriesDataMaxLength = dataJson.source.length
  if (props.chartConfig.option.isCarousel) {
    addPieInterval(undefined, true)
  }
})
</script>