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

Unless required by applicable law or agreed to in writing, software
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>
  <div class="trace-table">
    <div class="trace-table-header" v-if="type === TraceGraphType.STATISTICS">
      <div :class="item.label" v-for="(item, index) in headerData as typeof StatisticsConstant" :key="index">
        {{ item.value }}
        <span
          class="r cp"
          @click="sortStatistics(item.key || '')"
          :key="componentKey"
          v-if="item.key !== 'endpointName' && item.key !== 'type'"
        >
          <Icon iconName="sort" size="sm" />
        </span>
      </div>
    </div>
    <div class="trace-table-header" v-else>
      <div class="method" :style="`width: ${method}px`">
        <span class="cp dragger" ref="dragger">
          <Icon iconName="settings_ethernet" size="sm" />
        </span>
        {{ headerData[0].value }}
      </div>
      <div :class="item.label" v-for="(item, index) in headerData.slice(1)" :key="index">
        {{ item.value }}
      </div>
    </div>
    <TableItem
      :method="method"
      :traceId="traceId"
      v-for="(item, index) in tableData"
      :data="item"
      :key="`key${index}`"
      :type="type"
      :headerType="headerType"
      :selectedMaxTimestamp="selectedMaxTimestamp"
      :selectedMinTimestamp="selectedMinTimestamp"
      @selectedSpan="selectItem"
    />
    <slot></slot>
  </div>
</template>
<script lang="ts" setup>
  import { ref, onMounted } from "vue";
  import type { Span } from "@/types/trace";
  import TableItem from "./TableItem.vue";
  import { ProfileConstant, TraceConstant, StatisticsConstant } from "./data";
  import { TraceGraphType } from "../VisGraph/constant";
  import { WidgetType } from "@/views/dashboard/data";

  /* global defineProps, Nullable, defineEmits*/
  type Props = {
    tableData: Span[];
    type?: string;
    headerType?: string;
    traceId: string;
    selectedMaxTimestamp?: number;
    selectedMinTimestamp?: number;
  };
  type Emits = {
    (e: "select", value: Span): void;
  };
  const props = defineProps<Props>();
  const emits = defineEmits<Emits>();

  const method = ref<number>(300);
  const componentKey = ref<number>(300);
  const flag = ref<boolean>(true);
  const dragger = ref<Nullable<HTMLSpanElement>>(null);
  let headerData: typeof TraceConstant | typeof ProfileConstant | typeof StatisticsConstant = TraceConstant;

  if (props.headerType === WidgetType.Profile) {
    headerData = ProfileConstant;
  }
  if (props.type === TraceGraphType.STATISTICS) {
    headerData = StatisticsConstant;
  }
  onMounted(() => {
    if (props.type === TraceGraphType.STATISTICS) {
      return;
    }
    const drag: Nullable<HTMLSpanElement> = dragger.value;
    if (!drag) {
      return;
    }
    drag.onmousedown = (event: MouseEvent) => {
      event.stopPropagation();
      const diffX = event.clientX;
      const copy = method.value;
      document.onmousemove = (documentEvent) => {
        const moveX = documentEvent.clientX - diffX;
        method.value = copy + moveX;
      };
      document.onmouseup = () => {
        document.onmousemove = null;
        document.onmouseup = null;
      };
    };
  });
  function selectItem(span: Span) {
    emits("select", span);
  }
  function sortStatistics(key: string) {
    const element = props.tableData;
    for (let i = 0; i < element.length; i++) {
      for (let j = 0; j < element.length - i - 1; j++) {
        let val1: number | undefined;
        let val2: number | undefined;
        if (key === "maxTime") {
          val1 = element[j].maxTime;
          val2 = element[j + 1].maxTime;
        }
        if (key === "minTime") {
          val1 = element[j].minTime;
          val2 = element[j + 1].minTime;
        }
        if (key === "avgTime") {
          val1 = element[j].avgTime;
          val2 = element[j + 1].avgTime;
        }
        if (key === "sumTime") {
          val1 = element[j].sumTime;
          val2 = element[j + 1].sumTime;
        }
        if (key === "count") {
          val1 = element[j].count;
          val2 = element[j + 1].count;
        }
        if (flag.value) {
          if (val1 && val2 && val1 < val2) {
            const tmp = element[j];
            element[j] = element[j + 1];
            element[j + 1] = tmp;
          }
        } else {
          if (val1 && val2 && val1 > val2) {
            const tmp = element[j];
            element[j] = element[j + 1];
            element[j + 1] = tmp;
          }
        }
      }
    }
    componentKey.value += 1;
    flag.value = !flag.value;
  }
</script>
<style lang="scss" scoped>
  @import url("./table.scss");

  .trace-table {
    font-size: $font-size-smaller;
    height: 100%;
    overflow: auto;
    width: 100%;
  }

  .dragger {
    float: right;
  }

  .trace-table-header {
    white-space: nowrap;
    user-select: none;
    border-left: 0;
    border-right: 0;
    border-bottom: 1px solid var(--sw-trace-list-border);
  }

  .trace-table-header div {
    display: inline-block;
    background-color: var(--sw-table-header);
    padding: 0 4px;
    border: 1px solid transparent;
    border-right: 1px dotted silver;
    overflow: hidden;
    line-height: 30px;
    text-overflow: ellipsis;
    white-space: nowrap;
  }
</style>
