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  http://www.apache.org/licenses/LICENSE-2.0

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<template>
  <Graph :option="option" @select="clickChart" />
</template>
<script lang="ts" setup>
  import type { PropType } from "vue";
  import { computed } from "vue";
  import { useTopologyStore } from "@/store/modules/topology";
  import type { Node, Call } from "@/types/topology";
  import type { MetricConfigOpt } from "@/types/dashboard";
  import { aggregation } from "@/hooks/useMetricsProcessor";
  import { MetricModes } from "../../../data";

  /*global defineEmits, defineProps */
  const props = defineProps({
    settings: {
      type: Object as PropType<any>,
      default: () => ({}),
    },
  });
  const emit = defineEmits(["click"]);
  const topologyStore = useTopologyStore();
  const option = computed(() => getOption());

  function getOption() {
    return {
      tooltip: {
        trigger: "item",
        confine: true,
      },
      series: {
        type: "sankey",
        left: 40,
        top: 20,
        right: 300,
        bottom: 40,
        emphasis: { focus: "adjacency" },
        data: topologyStore.nodes,
        links: topologyStore.calls,
        label: {
          color: "#666",
          formatter: (param: any) => param.data.name,
        },
        color: ["#6be6c1", "#3fcfdc", "#626c91", "#3fbcde", "#a0a7e6", "#3fa9e1", "#96dee8", "#bf99f8"],
        itemStyle: {
          borderWidth: 0,
        },
        lineStyle: {
          color: "source",
          opacity: 0.3,
        },
        tooltip: {
          position: "bottom",
          formatter: (param: { data: any; dataType: string }) => {
            if (param.dataType === "edge") {
              return linkTooltip(param.data);
            }
            return nodeTooltip(param.data);
          },
        },
      },
    };
  }
  function linkTooltip(data: Call) {
    const clientMetrics: string[] =
      props.settings.metricMode === MetricModes.Expression
        ? props.settings.linkClientExpressions
        : props.settings.linkClientMetrics;
    const serverMetrics: string[] =
      props.settings.metricMode === MetricModes.Expression
        ? props.settings.linkServerExpressions
        : props.settings.linkServerMetrics;
    const linkServerMetricConfig: MetricConfigOpt[] = props.settings.linkServerMetricConfig || [];
    const linkClientMetricConfig: MetricConfigOpt[] = props.settings.linkClientMetricConfig || [];

    const htmlServer = serverMetrics.map((m, index) => {
      const metric =
        topologyStore.linkServerMetrics[m].values.find((val: { id: string; value: unknown }) => val.id === data.id) ||
        {};
      if (metric) {
        const opt: MetricConfigOpt = linkServerMetricConfig[index] || {};
        const v = aggregation(metric.value, opt);
        return ` <div class="mb-5"><span class="grey">${opt.label || m}: </span>${v} ${opt.unit || ""}</div>`;
      }
    });
    const htmlClient = clientMetrics.map((m, index) => {
      const opt: MetricConfigOpt = linkClientMetricConfig[index] || {};
      const metric =
        topologyStore.linkClientMetrics[m].values.find((val: { id: string; value: unknown }) => val.id === data.id) ||
        {};
      const v = aggregation(metric.value, opt);
      return ` <div class="mb-5"><span class="grey">${opt.label || m}: </span>${v} ${opt.unit || ""}</div>`;
    });
    const html = [
      `<div>${data.sourceObj.serviceName} -> ${data.targetObj.serviceName}</div>`,
      ...htmlServer,
      ...htmlClient,
    ].join(" ");

    return html;
  }

  function nodeTooltip(data: Node) {
    const nodeMetrics: string[] =
      props.settings.metricMode === MetricModes.Expression
        ? props.settings.nodeExpressions
        : props.settings.nodeMetrics;
    const nodeMetricConfig = props.settings.nodeMetricConfig || [];
    const html = nodeMetrics.map((m, index) => {
      const metric =
        topologyStore.nodeMetricValue[m].values.find((val: { id: string; value: unknown }) => val.id === data.id) || {};
      const opt: MetricConfigOpt = nodeMetricConfig[index] || {};
      const v = aggregation(metric.value, opt);
      return ` <div class="mb-5"><span class="grey">${opt.label || m}: </span>${v} ${opt.unit || ""}</div>`;
    });
    return [` <div><span>name: </span>${data.serviceName}</div>`, ...html].join(" ");
  }

  function clickChart(param: any) {
    emit("click", param);
  }
</script>
<style lang="scss" scoped>
  .sankey {
    width: 100%;
    height: 100%;
  }
</style>
