<!-- 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="topo-group">
    <div class="topo-group-wrapper">
      <div v-for="i in pagedData" :key="i.id">
        <GroupItem
          :servicesMap="servicesMap"
          :active="rocketTopoGroup.groupId === i.id"
          :key="i.id"
          @delete="handleDeleteGroup(i.id)"
          @select="handleSelectGroup"
          :data="i"
        />
      </div>
    </div>
    <RkPage
      v-show="rocketTopoGroup.groups.length > 10"
      :total="rocketTopoGroup.groups.length"
      @changePage="page"
      :currentPage="currentPage"
    />
    <CreateGroup />
  </div>
</template>
<script lang="ts">
  import topo, { State as topoState } from '@/store/modules/topology';
  import { Component, Vue, Watch } from 'vue-property-decorator';
  import { Action, Getter, Mutation, State } from 'vuex-class';
  import { State as TopoGroupState } from '@/store/modules/topology/group';
  import CreateGroup from './create-group.vue';
  import GroupItem from './group-item.vue';
  import Axios, { AxiosResponse } from 'axios';

  @Component({
    components: {
      CreateGroup,
      GroupItem,
    },
  })
  export default class TopoGroup extends Vue {
    @State('rocketTopo') private stateTopo!: topoState;
    @State('rocketTopoGroup') private rocketTopoGroup!: TopoGroupState;
    @Getter('durationTime') private durationTime: any;
    @Getter('rocketTopoGroup/services') private services!: Array<{ label: string; key: string }>;
    @Mutation('rocketTopoGroup/INIT_GROUPS') private INIT_GROUPS: any;
    @Mutation('rocketTopoGroup/DELETE_GROUP') private DELETE_GROUP: any;
    @Mutation('rocketTopoGroup/SELECT_GROUP') private SELECT_GROUP: any;
    @Mutation('SET_EVENTS') private SET_EVENTS: any;
    @Action('rocketTopo/GET_TOPO') private GET_TOPO: any;
    private servicesMap = [];
    private currentPage = 1;
    private get pagedData() {
      const start = 10 * this.currentPage;
      let end = 10;
      if (start < this.rocketTopoGroup.groups.length) {
        end = start;
      } else {
        end = this.rocketTopoGroup.groups.length;
      }
      return this.rocketTopoGroup.groups.slice(start - 10, end);
    }
    private page(pageNumber: number) {
      this.currentPage = pageNumber;
    }
    private handleDeleteGroup(id: string) {
      const r = confirm('Do you want to delete this group!');
      if (r === true) {
        this.DELETE_GROUP(id);
      }
    }
    private handleSelectGroup(id: string) {
      this.SELECT_GROUP(id);
      this.GET_TOPO({ duration: this.durationTime, serviceIds: this.services.map((i) => i.key) });
    }
    private fetchData() {
      return Axios.post('/graphql', {
        query: `
          query queryServices($duration: Duration!) {
            services: getAllServices(duration: $duration) {
              key: id
              label: name
            }
          }`,
        variables: {
          duration: this.durationTime,
        },
      }).then((res: AxiosResponse) => {
        this.servicesMap = res.data.data.services ? res.data.data.services : [];
      });
    }
    private initGroupTopo() {
      let serviceOld = localStorage.getItem('topology-group-history') || '';
      if (!this.rocketTopoGroup.groups.length) {
        return;
      }
      if (
        !this.rocketTopoGroup.groups.some(
          (i: { id: string; name: string; services: Array<{ label: string; key: string }> }) => i.id === serviceOld,
        )
      ) {
        serviceOld = this.rocketTopoGroup.groups[0].id;
        this.handleSelectGroup(serviceOld);
      } else {
        this.handleSelectGroup(serviceOld);
      }
    }
    private created() {
      this.INIT_GROUPS();
      this.fetchData().then(() => {
        this.initGroupTopo();
      });
    }
  }
</script>
<style lang="scss">
  .topo-group {
    position: absolute;
    bottom: 10px;
    left: 10px;
    .rk-page {
      color: #eee;
    }
  }
</style>