<script lang="ts" setup>
import { computed, onMounted, onUnmounted, ref, unref } from 'vue'
import type { ECharts, EChartsOption } from 'echarts'
import { init } from 'echarts'
import { defaultOption, getShowValue } from './index.config'
import type { CreateComponentType, RenderComponentExposeType } from '@/core/Library/types'
import type { NodeDataDataSourceJsonType } from '@/api/node/model'
import { useLatestMessageValue } from '@/core/Library/hook/useLatestMessageValue'
import { useOnMessage } from '@/core/Library/hook/useOnMessage'

const props = defineProps<{
  config: CreateComponentType
}>()

const getCellBounds = computed(() => props.config.cellBounds || { width: 300, height: 400, x: 0, y: 0 })

const chartElRef = ref<Nullable<HTMLDivElement>>()

const chartInstance = ref<Nullable<ECharts>>()

function initChartInstance() {
  chartInstance.value = init(unref(chartElRef))
  chartInstance.value.setOption(defaultOption)
}

const { onMessage } = useOnMessage({
  onReceiveDataSourceMessage(commandSource, message) {
    const { data } = commandSource
    const { attr } = data as NodeDataDataSourceJsonType
    const { latestValue } = useLatestMessageValue(message.data, attr)
    unref(chartInstance)?.setOption({ series: [{ data: [{ value: getShowValue(Number(latestValue)) }] }] } as EChartsOption)
  },
})

onMounted(() => {
  initChartInstance()
})

onUnmounted(() => {
  chartInstance.value?.dispose()
  chartInstance.value = null
})

defineExpose<RenderComponentExposeType>({ onMessage })
</script>

<template>
  <div class="w-full h-full justify-center flex items-center">
    <div
      ref="chartElRef"
      :style="{ width: `${getCellBounds.width}px`, height: `${getCellBounds.height}px` }"
      class="w-full h-full"
    />
  </div>
</template>