/** * Licensed to the Apache Software Foundation (ASF) under one or more * 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 * the License. You may obtain a copy of the License at * * 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>
    <div @click="showSelectSpan" :class="['trace-item', 'level' + (data.level - 1)]" ref="traceItem">
      <div :class="['method', 'level' + (data.level - 1)]" :style="{ 'text-indent': (data.level - 1) * 10 + 'px' }">
        <svg
          class="icon vm cp trans"
          :style="!displayChildren ? 'transform: rotate(-90deg);' : ''"
          @click.stop="toggle"
          v-if="data.children && data.children.length"
        >
          <use xlink:href="#arrow-down"></use>
        </svg>
        <span v-tooltip:bottom="{ content: data.endpointName, popperCls: ['trace-table-tooltip'] }">
          {{ data.endpointName }}
        </span>
      </div>
      <div class="start-time">
        {{ data.startTime | dateformat }}
      </div>
      <div class="exec-ms">
        {{ data.endTime - data.startTime ? data.endTime - data.startTime : '0' }}
      </div>
      <div class="exec-percent">
        <div class="outer-progress_bar" :style="{ width: outterPercent }">
          <div class="inner-progress_bar" :style="{ width: innerPercent }"></div>
        </div>
      </div>
      <div class="self">
        {{ data.dur ? data.dur + '' : '0' }}
      </div>
      <div class="api">
        <span v-tooltip:bottom="data.component || '-'">{{ data.component || '-' }}</span>
      </div>
      <div class="application">
        <span v-tooltip:bottom="data.serviceCode || '-'">{{ data.serviceCode }}</span>
      </div>
      <div class="application">
        <span @click="viewSpanDetail">{{ this.$t('view') }}</span>
      </div>
    </div>
    <div v-show="data.children && data.children.length > 0 && displayChildren" class="children-trace">
      <item v-for="(item, index) in data.children" :key="index" :data="item"> </item>
    </div>
  </div>
</template>
<script lang="js">
  export default {
    name: 'item',
    props: ['data'],
    watch: {
      data() {
        const items = document.querySelectorAll('.trace-item');
        for (const item of items) {
          item.style.background = '#fff';
        }
      },
    },
    data() {
      return {
        displayChildren: true,
        selectedSpan: 0,
      };
    },
    computed: {
      selfTime() {
        const {data} = this;
        return  data.dur ? data.dur : 0;
      },
      execTime() {
        const {data} = this;
        return  (data.endTime - data.startTime) ? (data.endTime - data.startTime) : 0;
      },
      outterPercent() {
        if (this.data.level === 1) {
          return '100%';
        } else {
          const data = this.data;
          const exec = (data.endTime - data.startTime) ? (data.endTime - data.startTime) : 0;
          let result = (exec / data.totalExec * 100);
          result = result > 100 ? 100 : result;
          result = result.toFixed(4) + '%';
          return result === '0.0000%' ? '0.9%' : result;
        }
      },
      innerPercent() {
        const result = (this.selfTime / this.execTime) * 100 .toFixed(4) + '%';
        return result === '0.0000%' ? '0.9%' : result;
      },
    },
    methods: {
      toggle() {
        this.displayChildren = !this.displayChildren;
      },
      showSelectSpan() {
        const items = document.querySelectorAll('.trace-item');
        for (const item of items) {
          item.style.background = '#fff';
        }
        this.$refs.traceItem.style.background = 'rgba(0, 0, 0, 0.1)';
        this.$eventBus.$emit('HANDLE-SELECT-SPAN', this.data);
      },
      viewSpanDetail() {
        this.showSelectSpan();
        this.$eventBus.$emit('HANDLE-VIEW-SPAN', this.data);
      },
    },
  };
</script>
<style lang="scss" scoped>
  @import './trace.scss';
  .trace-item.level0 {
    color: #448dfe;
    &:hover {
      background: rgba(0, 0, 0, 0.04);
      color: #448dfe;
    }
    &::before {
      position: absolute;
      content: '';
      width: 5px;
      height: 100%;
      background: #448dfe;
      left: 0;
    }
  }

  .trace-item {
    display: flex;
    position: relative;
    cursor: pointer;
  }
  .trace-item.selected {
    background: rgba(0, 0, 0, 0.04);
  }

  .trace-item:not(.level0):hover {
    background: rgba(0, 0, 0, 0.04);
  }

  .trace-item > div {
    padding: 0 5px;
    border: 1px solid transparent;
    border-right: 1px dotted silver;
    overflow: hidden;
    line-height: 30px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }
  .trace-item > div.method {
    padding-left: 10px;
  }
  .trace-item div.exec-percent {
    width: 10%;
    padding-left: 8px;
    padding-right: 8px;
    .outer-progress_bar {
      width: 100%;
      height: 6px;
      border-radius: 3px;
      background: rgb(63, 177, 227);
      position: relative;
      margin-top: 11px;
      border: none;
    }
    .inner-progress_bar {
      position: absolute;
      background: rgb(110, 64, 170);
      height: 4px;
      border-radius: 2px;
      left: 0;
      border: none;
      top: 1px;
    }
  }
</style>