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contributor license agreements.  See the NOTICE file distributed with
this work for additional information regarding copyright ownership.
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(the "License"); you may not use this file except in compliance with
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  http://www.apache.org/licenses/LICENSE-2.0

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distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License. -->
<template>
  <Graph :option="option" />
</template>
<script lang="ts" setup>
import { computed } from "vue";
import type { PropType } from "vue";
import { Event } from "@/types/events";
import { LineConfig } from "@/types/dashboard";

/*global defineProps */
const props = defineProps({
  data: {
    type: Object as PropType<{ [key: string]: number[] }>,
    default: () => ({}),
  },
  intervalTime: { type: Array as PropType<string[]>, default: () => [] },
  theme: { type: String, default: "light" },
  itemEvents: { type: Array as PropType<Event[]>, default: () => [] },
  config: {
    type: Object as PropType<LineConfig>,
    default: () => ({
      step: false,
      smooth: false,
      showSymbol: false,
      opacity: 0.4,
      showXAxis: true,
      showYAxis: true,
      smallTips: false,
      showlabels: true,
    }),
  },
});
const option = computed(() => getOption());
function getOption() {
  const keys = Object.keys(props.data || {}).filter(
    (i: any) => Array.isArray(props.data[i]) && props.data[i].length
  );
  const startP = keys.length > 1 ? 50 : 15;
  const diff = 10;
  const markAreas = (props.itemEvents || []).map(
    (event: Event, index: number) => {
      return [
        {
          name: `${event.name}:${event.type}`,
          xAxis: event.startTime,
          y: startP + diff * index,
          itemStyle: {
            borderWidth: 2,
            borderColor: event.type === "Normal" ? "#5dc859" : "#FF0087",
            color: event.type === "Normal" ? "#5dc859" : "#FF0087",
          },
        },
        {
          name: event.message,
          xAxis: event.endTime,
          y: startP + diff * (index + 1),
        },
      ];
    }
  );
  const temp = keys.map((i: any, index: number) => {
    const serie: any = {
      data: props.data[i].map((item: any, itemIndex: number) => [
        props.intervalTime[itemIndex],
        item,
      ]),
      name: i,
      type: "line",
      symbol: "circle",
      symbolSize: 6,
      showSymbol: props.config.showSymbol,
      step: props.config.step,
      smooth: props.config.smooth,
      lineStyle: {
        width: 1.5,
        type: "solid",
      },
      markArea:
        index === 0
          ? {
              silent: false,
              data: markAreas,
              label: {
                show: false,
                width: 60,
              },
              emphasis: {
                label: {
                  position: "bottom",
                  show: true,
                },
              },
            }
          : undefined,
    };
    if (props.config.type === "Area") {
      serie.areaStyle = {
        opacity: props.config.opacity || 0.4,
      };
    }
    return serie;
  });
  let color: string[] = [];
  switch (keys.length) {
    case 2:
      color = ["#FF6A84", "#a0b1e6"];
      break;
    case 1:
      color = ["#3f96e3"];
      break;
    default:
      color = [
        "#30A4EB",
        "#45BFC0",
        "#FFCC55",
        "#FF6A84",
        "#a0a7e6",
        "#c23531",
        "#2f4554",
        "#61a0a8",
        "#d48265",
        "#91c7ae",
        "#749f83",
        "#ca8622",
        "#bda29a",
        "#6e7074",
        "#546570",
        "#c4ccd3",
      ];
      break;
  }
  const tooltip = {
    trigger: "axis",
    backgroundColor: "rgb(50,50,50)",
    textStyle: {
      fontSize: 12,
      color: "#ccc",
    },
    enterable: true,
    confine: true,
    extraCssText: "max-height: 300px; overflow: auto; border: none;",
  };
  const tips = {
    formatter(params: any) {
      return `${params[0].value[1]}`;
    },
    confine: true,
    extraCssText: `height: 20px; padding:0 2px;`,
    trigger: "axis",
    textStyle: {
      fontSize: 12,
      color: "#333",
    },
  };

  return {
    color,
    tooltip: props.config.smallTips ? tips : tooltip,
    legend: {
      type: "scroll",
      show: keys.length === 1 ? false : true,
      icon: "circle",
      top: 0,
      left: 0,
      itemWidth: 12,
      textStyle: {
        color: props.theme === "dark" ? "#fff" : "#333",
      },
    },
    grid: {
      top: keys.length === 1 ? 15 : 55,
      left: 0,
      right: 10,
      bottom: 5,
      containLabel:
        props.config.showlabels === undefined ? true : props.config.showlabels,
    },
    xAxis: {
      type: "category",
      show: props.config.showXAxis,
      axisTick: {
        lineStyle: { color: "#c1c5ca41" },
        alignWithLabel: true,
      },
      splitLine: { show: false },
      axisLine: { lineStyle: { color: "rgba(0,0,0,0)" } },
      axisLabel: { color: "#9da5b2", fontSize: "11" },
    },
    yAxis: {
      show: props.config.showYAxis,
      type: "value",
      axisLine: { show: false },
      axisTick: { show: false },
      splitLine: { lineStyle: { color: "#c1c5ca41", type: "dashed" } },
      axisLabel: {
        color: "#9da5b2",
        fontSize: "11",
        show: props.config.showYAxis,
      },
    },
    series: temp,
  };
}
</script>
