<!-- 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 class="rk-dashboard-item" :class="`g-sm-${width}`" :style="`height:${height}px;`">
    <div class="rk-dashboard-item-title ell">
      <span v-show="rocketGlobal.edit" @click="deleteItem(index)">
        <rk-icon class="r edit red" icon="file-deletion" />
      </span>
      <span>{{ title }}</span>
      <span v-show="unit"> ( {{ unit }} ) </span>
      <span v-show="status === 'UNKNOWN'" class="item-status">( {{ $t('unknownMetrics') }} )</span>
      <span v-show="!rocketGlobal.edit && !pageTypes.includes(type)" @click="editComponentConfig">
        <rk-icon class="r edit" icon="keyboard_control" v-tooltip:bottom="{ content: $t('editConfig') }" />
      </span>
      <span v-show="!rocketGlobal.edit && itemConfig.chartType === 'ChartTable'" @click="copyTable">
        <rk-icon class="r cp" icon="review-list" />
      </span>
      <rk-icon v-if="tips" class="r edit" icon="info_outline" v-tooltip:bottom="{ content: tips }" />
    </div>
    <div class="rk-dashboard-item-body" ref="chartBody">
      <div style="height:100%;width:100%">
        <component
          :is="rocketGlobal.edit ? 'ChartEdit' : itemConfig.chartType"
          ref="chart"
          :item="itemConfig"
          :index="index"
          :intervalTime="intervalTime"
          :data="chartSource"
          :type="type"
          :itemEvents="itemEvents"
          @updateStatus="(type, value) => setStatus(type, value)"
        ></component>
      </div>
    </div>
    <rk-sidebox
      width="70%"
      :fixed="true"
      :title="$t('editConfig')"
      :show.sync="dialogConfigVisible"
      @closeSideboxCallback="chartRender()"
    >
      <div class="config-box">
        <component
          :is="'ChartEdit'"
          ref="chart"
          :item="itemConfig"
          :index="index"
          :intervalTime="intervalTime"
          :data="chartSource"
        ></component>
      </div>
    </rk-sidebox>
  </div>
</template>
<script lang="ts">
  import { Vue, Component, Prop, Watch } from 'vue-property-decorator';
  import { Mutation, State, Getter, Action } from 'vuex-class';
  import charts from './charts';
  import dayjs from 'dayjs';

  import { QueryTypes, UpdateDashboardEvents } from './constant';
  import { TopologyType, ObjectsType } from '../../../constants/constant';
  import { CalculationType } from './charts/constant';
  import { State as globalState } from '@/store/modules/global';
  import { State as optionState } from '@/store/modules/global/selectors';
  import { State as rocketData } from '@/store/modules/dashboard/dashboard-data';
  import { Event } from '@/types/dashboard';
  import { EntityType } from './charts/constant';
  import copy from '@/utils/copy';

  @Component({
    components: { ...charts },
  })
  export default class DashboardItem extends Vue {
    @State('rocketbot') private rocketGlobal!: globalState;
    @State('rocketData') private rocketData!: rocketData;
    @Mutation('EDIT_COMP_CONFIG') private EDIT_COMP_CONFIG: any;
    @Mutation('DELETE_COMP') private DELETE_COMP: any;
    @Mutation('rocketTopo/DELETE_TOPO_ENDPOINT') private DELETE_TOPO_ENDPOINT: any;
    @Mutation('rocketTopo/DELETE_TOPO_INSTANCE') private DELETE_TOPO_INSTANCE: any;
    @Action('GET_QUERY') private GET_QUERY: any;
    @Getter('intervalTime') private intervalTime: any;
    @Getter('durationTime') private durationTime: any;
    @Prop() private item!: any;
    @Prop() private index!: number;
    @Prop() private type!: string;
    @Prop() private updateObjects!: string;
    @Prop() private rocketOption!: optionState;

    private pageTypes = [TopologyType.TOPOLOGY_ENDPOINT, TopologyType.TOPOLOGY_INSTANCE] as string[];
    private dialogConfigVisible = false;
    private status = 'UNKNOWN';
    private title = 'Title';
    private tips = '';
    private unit = '';
    private width = 3;
    private height = 300;
    private chartSource: any = {};
    private itemConfig: any = {};
    private itemEvents: Event[] = [];

    private created() {
      this.status = this.item.metricType;
      this.title = this.item.title;
      this.tips = this.item.tips;
      this.width = this.item.width;
      this.height = this.item.height;
      this.unit = this.item.unit;
      this.itemConfig = this.item;
      this.itemEvents = this.eventsFilter();
      const types = [
        ObjectsType.UPDATE_INSTANCES,
        ObjectsType.UPDATE_ENDPOINTS,
        ObjectsType.UPDATE_DASHBOARD,
      ] as string[];

      if (!types.includes(this.updateObjects)) {
        return;
      }
      setTimeout(() => {
        this.chartRender();
      }, 1000);
    }

    private chartRender() {
      if (this.rocketGlobal.edit) {
        return;
      }

      this.GET_QUERY({
        duration: this.durationTime,
        index: this.index,
        type: this.type,
        rocketOption: this.rocketOption,
      }).then((params: Array<{ metricName: string; [key: string]: any; config: any }>) => {
        if (!params) {
          return;
        }
        if (!params.length) {
          return;
        }
        this.itemConfig = params[0].config;
        const { queryMetricType, chartType } = this.itemConfig;
        let data = params;
        if (queryMetricType === QueryTypes.ReadMetricsValue /*&& chartType === 'ChartSlow'*/) {
          const arr: any = [
            {
              config: this.itemConfig,
              [QueryTypes.ReadMetricsValue]: params.map((item, index) => {
                return {
                  id: index,
                  name: item.metricName,
                  value: item[QueryTypes.ReadMetricsValue],
                };
              }),
            },
          ];
          data = arr;
        } else if (queryMetricType !== QueryTypes.ReadMetricsValues) {
          data = [params[0]];
        }
        this.chartValue(data);
      });
    }

    private handleChartSlowData(resVal: any, aggregation: any, aggregationNum: any) {
      this.chartSource = (resVal || []).map((item: { value: number }) => {
        return {
          ...item,
          value: this.aggregationValue({
            data: item.value,
            type: aggregation,
            aggregationNum: Number(aggregationNum),
          }),
        };
      });
    }
    private chartValue(data: Array<{ metricName: string; [key: string]: any; config: any }>) {
      this.chartSource = {};
      for (const params of data) {
        const { queryMetricType, aggregation, aggregationNum, metricLabels, labelsIndex, chartType } = params.config;
        const resVal = params[queryMetricType];

        if (queryMetricType === QueryTypes.ReadMetricsValue) {
          if (chartType === 'ChartSlow') {
            this.handleChartSlowData(resVal, aggregation, aggregationNum);
          } else {
            this.chartSource = (resVal || []).map((item: any) => {
              return {
                name: item.name,
                avgNum: [CalculationType[4].value, CalculationType[5].value].includes(aggregation)
                  ? this.formatDate({ data: item.value, type: aggregation, aggregationNum })
                  : this.aggregationValue({
                      data: item.value,
                      type: aggregation,
                      aggregationNum: Number(aggregationNum),
                    }),
              };
            });
          }
        }
        if (queryMetricType === QueryTypes.ReadMetricsValues) {
          if (!(resVal && resVal.values)) {
            this.chartSource[params.metricName] = [];
            return;
          }
          const { values } = resVal.values;
          this.chartSource[params.metricName] = values.map((item: { value: number }) =>
            this.aggregationValue({ data: item.value, type: aggregation, aggregationNum: Number(aggregationNum) }),
          );
        }
        if (queryMetricType === QueryTypes.SortMetrics || queryMetricType === QueryTypes.ReadSampledRecords) {
          this.handleChartSlowData(resVal, aggregation, aggregationNum);
        }
        if (queryMetricType === QueryTypes.READHEATMAP) {
          const nodes = [] as any;
          if (!(resVal && resVal.values)) {
            this.chartSource = { nodes: [] };
            return;
          }
          resVal.values.forEach((items: { values: number[] }, x: number) => {
            const grids = items.values.map((val: number, y: number) => [
              x,
              y,
              this.aggregationValue({ data: val, type: aggregation, aggregationNum: Number(aggregationNum) }),
            ]);

            nodes.push(...grids);
          });
          let buckets = [] as any;
          if (resVal.buckets.length) {
            buckets = [resVal.buckets[0].min, ...resVal.buckets.map((item: { min: string; max: string }) => item.max)];
          }

          this.chartSource = { nodes, buckets }; // nodes: number[][]
        }
        if (queryMetricType === QueryTypes.ReadLabeledMetricsValues) {
          const labels = (metricLabels || '').split(',').map((item: string) => item.replace(/^\s*|\s*$/g, ''));
          const indexList = (labelsIndex || '').split(',').map((item: string) => item.replace(/^\s*|\s*$/g, ''));

          this.chartSource = {};
          for (const item of resVal || []) {
            const list = item.values.values.map((d: { value: number }) =>
              this.aggregationValue({ data: d.value, type: aggregation, aggregationNum: Number(aggregationNum) }),
            );

            const indexNum = indexList.findIndex((d: string) => d === item.label);
            if (labels[indexNum] && indexNum > -1) {
              this.chartSource[labels[indexNum]] = list; // {[label: string]: number[]}
            } else {
              this.chartSource[item.label] = list;
            }
          }
        }
      }
    }

    private editComponentConfig() {
      this.dialogConfigVisible = true;
    }

    private formatDate(json: { data: number; type: string; aggregationNum: string }) {
      let { aggregationNum } = json;
      if (!aggregationNum) {
        aggregationNum = 'YYYY-MM-DD HH:mm:ss';
      }
      if (json.type === CalculationType[4].value) {
        return dayjs(json.data).format(aggregationNum);
      } else if (json.type === CalculationType[5].value) {
        return dayjs.unix(json.data).format(aggregationNum);
      } else {
        return json.data;
      }
    }

    private aggregationValue(json: { data: number; type: string; aggregationNum: number }) {
      if (isNaN(json.aggregationNum)) {
        return json.data;
      }
      if (json.type === CalculationType[0].value) {
        return json.data + json.aggregationNum;
      }
      if (json.type === CalculationType[1].value) {
        return json.data - json.aggregationNum;
      }
      if (json.type === CalculationType[2].value) {
        return json.data * json.aggregationNum;
      }
      if (json.type === CalculationType[3].value) {
        return json.data / json.aggregationNum;
      }
      return json.data;
    }

    private setStatus(type: string, value: any) {
      if (type === 'metricType') {
        this.status = value;
      }
      if (type === 'title') {
        this.title = value;
      }
      if (type === 'width') {
        this.width = value;
      }
      if (type === 'height') {
        this.height = value;
      }
      if (type === 'unit') {
        this.unit = value;
      }
    }

    private copyTable() {
      const data: any = {};
      const keys = Object.keys(this.chartSource || {}).filter(
        (i: any) => Array.isArray(this.chartSource[i]) && this.chartSource[i].length,
      );
      for (const key of keys) {
        const index = this.chartSource[key].length - 1 || 0;
        data[key] = this.chartSource[key][index];
      }
      copy(JSON.stringify(data));
    }

    private deleteItem(index: number) {
      if (this.type === this.pageTypes[0]) {
        this.DELETE_TOPO_ENDPOINT(index);
      } else if (this.type === this.pageTypes[1]) {
        this.DELETE_TOPO_INSTANCE(index);
      } else {
        this.DELETE_COMP(index);
      }
    }

    private eventsFilter() {
      const allEvents = [
        ...this.rocketData.serviceEvents,
        ...this.rocketData.serviceInstanceEvents,
        ...this.rocketData.endpointEvents,
      ];

      let events = allEvents.filter(
        (item) =>
          this.itemConfig.entityType === item.entityType &&
          item.checked &&
          ((item.source.service === this.rocketOption.currentService.label &&
            (item.source.serviceInstance === this.rocketOption.currentInstance.label ||
              item.source.endpoint === this.rocketOption.currentEndpoint.label)) ||
            (item.entityType === EntityType[0].key && item.source.service === this.rocketOption.currentService.label)),
      );
      events = events.filter((d: Event, index: number) => index < this.setEventsLength());

      return events;
    }

    private setEventsLength() {
      const body: any = this.$refs.chartBody;
      if (!body) {
        return 0;
      }
      const keys = Object.keys(this.chartSource || {}).filter(
        (i: any) => Array.isArray(this.chartSource[i]) && this.chartSource[i].length,
      );
      const startP = keys.length > 1 ? 50 : 15;
      const endP = keys.length > 1 ? 0 : 40;
      const eventNum = parseInt(String((body.offsetHeight - startP - endP) / 10), 10);

      return eventNum || 0;
    }

    // watch selectors and events
    @Watch('rocketOption.updateDashboard')
    private watchCurrentSelectors() {
      this.itemEvents = this.eventsFilter();
      if (
        this.rocketOption.updateDashboard.key &&
        this.rocketOption.updateDashboard.key.includes(UpdateDashboardEvents)
      ) {
        return;
      }
      setTimeout(() => {
        this.chartRender();
      }, 1000);
    }
    @Watch('durationTime')
    private watchDurationTime() {
      this.chartRender();
    }
    @Watch('rocketGlobal.edit')
    private watchRerender() {
      this.chartRender();
    }
  }
</script>
<style lang="scss">
  .rk-dashboard-item {
    display: flex;
    height: 100%;
    flex-direction: column;
    padding-left: 5px;
    padding-right: 5px;
    .edit {
      cursor: pointer;
    }
  }
  .dashboard-item-shadow {
    background-color: #448dfe15;
    position: absolute;
    border: 1px solid #448dfec0;
    border-radius: 4px;
  }
  .rk-dashboard-item-title {
    flex-shrink: 0;
    user-select: none;
    line-height: 16px;
    border-radius: 2px;
    background-color: rgba(196, 200, 225, 0.2);
    color: #9da5b2;
    padding: 6px 10px;
  }
  .rk-dashboard-item-title .hint {
    color: #fbb03b;
    padding-left: 10px;
  }
  .dashboard-item-title-input {
    border-style: unset;
    background-color: #ffffffcc;
    outline: 0;
    border-radius: 3px;
    padding: 5px;
    height: 16px;
    margin-left: -5px;
  }
  .dashboard-item-resize {
    position: absolute;
    fill: #9da5b2;
    z-index: 1;
    width: 8px;
    height: 8px;
    padding: 3px;
    right: -4px;
    bottom: 0;
    cursor: se-resize;
  }
  .rk-dashboard-item-body {
    padding: 7px 10px;
    flex-grow: 1;
    // height:100%;
    height: calc(100% - 28px);
  }
  .item-status {
    color: red;
    display: inline-block;
    margin-left: 10px;
  }
  .config-box {
    padding: 40px 30px;
  }
</style>