<script lang="ts" setup>
  import { EChartsOption, ECharts, init } from 'echarts';
  import { unref, ref, onMounted, computed, nextTick } from 'vue';
  import { useDataFetch } from '../../../hook/useSocket';
  import { ComponentPropsConfigType, DataFetchUpdateFn } from '../../../index.type';
  import { option } from './config';
  import { UpdateTime } from '/@/views/visual/commonComponents/UpdateTime';
  import { useIntervalFn } from '@vueuse/core';
  import { useComponentScale } from '../../../hook/useComponentScale';
  import { DeviceName } from '/@/views/visual/commonComponents/DeviceName';

  const props = defineProps<{
    config: ComponentPropsConfigType<typeof option>;
  }>();

  const chartRefEl = ref<Nullable<HTMLDivElement>>(null);

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

  const time = ref<Nullable<number>>(null);

  const getDesign = computed(() => {
    const { option, persetOption } = props.config;
    const { componentInfo, attribute, attributeRename, attributeName } = option;
    const {
      fontColor: presetFontColor,
      unit: presetUnit,
      pointerColor: presetPointerColor,
      instrumentPanelColor: presetInstrumentPanelColor,
      gradientInfo: presetGradientInfo,
    } = persetOption || {};
    const { unit, fontColor, pointerColor, instrumentPanelColor, gradientInfo } =
      componentInfo || {};
    return {
      unit: unit ?? presetUnit,
      fontColor: fontColor ?? presetFontColor,
      attribute: attributeRename || attributeName || attribute,
      pointerColor: pointerColor ?? presetPointerColor,
      instrumentPanelColor: instrumentPanelColor ?? presetInstrumentPanelColor,
      gradientInfo: gradientInfo ?? presetGradientInfo,
    };
  });

  const options = (): EChartsOption => {
    const { unit, fontColor, pointerColor } = unref(getDesign);

    // getStageColor(gradientInfo);
    return {
      series: [
        {
          type: 'gauge',
          progress: {
            show: true,
            width: unref(getRatio) ? 6 * unref(getRatio) : 6,
          },
          axisLine: {
            lineStyle: {
              width: unref(getRatio) ? 6 * unref(getRatio) : 6,
            },
          },
          axisTick: {
            show: false,
          },
          splitLine: {
            length: unref(getRatio) ? 3 * unref(getRatio) : 3,
            lineStyle: {
              width: unref(getRatio) ? 1 * unref(getRatio) : 1,
              color: '#999',
            },
          },
          axisLabel: {
            distance: unref(getRatio) ? 10 * unref(getRatio) : 10,
            color: '#999',
            fontSize: unref(getRatio) ? 6 * unref(getRatio) : 6,
          },
          pointer: {
            //指针
            show: true,
            icon: 'path://M2090.36389,615.30999 L2090.36389,615.30999 C2091.48372,615.30999 2092.40383,616.194028 2092.44859,617.312956 L2096.90698,728.755929 C2097.05155,732.369577 2094.2393,735.416212 2090.62566,735.56078 C2090.53845,735.564269 2090.45117,735.566014 2090.36389,735.566014 L2090.36389,735.566014 C2086.74736,735.566014 2083.81557,732.63423 2083.81557,729.017692 C2083.81557,728.930412 2083.81732,728.84314 2083.82081,728.755929 L2088.2792,617.312956 C2088.32396,616.194028 2089.24407,615.30999 2090.36389,615.30999 Z',
            width: 4 * unref(getRatio) ? 4 * unref(getRatio) : 4,
            length: '100%',
            itemStyle: {
              color: pointerColor,
            },
          },
          // anchor: {
          //   show: true,
          //   showAbove: true,
          //   size: 10,
          //   itemStyle: {
          //     borderWidth: 4,
          //   },
          // },
          title: {
            show: false,
          },
          detail: {
            valueAnimation: true,
            fontSize: unref(getRatio) ? 16 * unref(getRatio) : 16,
            offsetCenter: [0, '70%'],
            formatter: `{value} ${unit ?? ''}`,
            color: fontColor || 'inherit',
          },
          data: [
            {
              value: 70,
            },
          ],
        },
      ],
    };
  };

  const updateChart = (value: number) => {
    unref(chartInstance)?.setOption({
      series: [{ data: [{ value: value.toFixed(2) }] }, { data: [{ value: value.toFixed(2) }] }],
    } as EChartsOption);
  };

  const initial = () => {
    chartInstance.value = init(unref(chartRefEl)! as HTMLElement);
    chartInstance.value.setOption(options());
  };

  const randomFn = () => {
    useIntervalFn(() => {
      const value = (Math.random() * 100).toFixed(0);
      unref(chartInstance)?.setOption({
        series: [{ data: [{ value }] }, { data: [{ value }] }],
      } as EChartsOption);
    }, 3000);
  };

  const updateFn: DataFetchUpdateFn = (message, attribute) => {
    const { data = {} } = message;
    const [latest] = data[attribute] || [];
    const [timespan, value] = latest;
    time.value = timespan;
    updateChart(isNaN(value as unknown as number) ? 0 : Number(value));
  };

  useDataFetch(props, updateFn);

  onMounted(() => {
    initial();
    !props.config.option.uuid && randomFn();
  });

  const resize = async () => {
    await nextTick();

    // 修改echarts大小
    unref(chartInstance)?.setOption({
      series: [
        {
          progress: {
            width: 6 * unref(getRatio),
          },
          axisLine: {
            // 仪表盘
            lineStyle: {
              width: 6 * unref(getRatio),
            },
          },
          axisLabel: {
            distance: 10 * unref(getRatio),
            fontSize: 6 * unref(getRatio),
          },
          pointer: {
            width: 4 * unref(getRatio),
          },
          splitLine: {
            length: 3 * unref(getRatio),
            lineStyle: {
              width: 1 * unref(getRatio),
            },
          },
          detail: {
            fontSize: 16 * unref(getRatio),
          },
        },
      ],
    } as EChartsOption);
    unref(chartInstance)?.resize();
  };

  const { getRatio } = useComponentScale(props, resize);
</script>

<template>
  <main class="w-full h-full flex flex-col justify-center items-center">
    <DeviceName :config="config" />
    <div ref="chartRefEl" class="flex-1 w-full h-full"> </div>
    <div class="text-gray-500 text-xs text-center truncate">{{
      getDesign.attribute || '湿度'
    }}</div>
    <UpdateTime :time="time" />
  </main>
</template>