<template>
  <div class="app-container">
    <el-row>
      <el-col :span="24" class="card-box">
        <el-card>
          <div slot="header">
            <span><i class="el-icon-monitor" /> 基本信息</span>
          </div>
          <div class="el-table el-table--enable-row-hover el-table--medium">
            <table cellspacing="0" style="width: 100%">
              <tbody>
                <tr>
                  <td class="el-table__cell is-leaf">
                    <div class="cell">Redis版本</div>
                  </td>
                  <td class="el-table__cell is-leaf">
                    <div v-if="cache.info" class="cell">
                      {{ cache.info.redis_version }}
                    </div>
                  </td>
                  <td class="el-table__cell is-leaf">
                    <div class="cell">运行模式</div>
                  </td>
                  <td class="el-table__cell is-leaf">
                    <div v-if="cache.info" class="cell">
                      {{
                        cache.info.redis_mode == 'standalone' ? '单机' : '集群'
                      }}
                    </div>
                  </td>
                  <td class="el-table__cell is-leaf">
                    <div class="cell">端口</div>
                  </td>
                  <td class="el-table__cell is-leaf">
                    <div v-if="cache.info" class="cell">
                      {{ cache.info.tcp_port }}
                    </div>
                  </td>
                  <td class="el-table__cell is-leaf">
                    <div class="cell">客户端数</div>
                  </td>
                  <td class="el-table__cell is-leaf">
                    <div v-if="cache.info" class="cell">
                      {{ cache.info.connected_clients }}
                    </div>
                  </td>
                </tr>
                <tr>
                  <td class="el-table__cell is-leaf">
                    <div class="cell">运行时间(天)</div>
                  </td>
                  <td class="el-table__cell is-leaf">
                    <div v-if="cache.info" class="cell">
                      {{ cache.info.uptime_in_days }}
                    </div>
                  </td>
                  <td class="el-table__cell is-leaf">
                    <div class="cell">使用内存</div>
                  </td>
                  <td class="el-table__cell is-leaf">
                    <div v-if="cache.info" class="cell">
                      {{ cache.info.used_memory_human }}
                    </div>
                  </td>
                  <td class="el-table__cell is-leaf">
                    <div class="cell">使用CPU</div>
                  </td>
                  <td class="el-table__cell is-leaf">
                    <div v-if="cache.info" class="cell">
                      {{
                        parseFloat(cache.info.used_cpu_user_children).toFixed(2)
                      }}
                    </div>
                  </td>
                  <td class="el-table__cell is-leaf">
                    <div class="cell">内存配置</div>
                  </td>
                  <td class="el-table__cell is-leaf">
                    <div v-if="cache.info" class="cell">
                      {{ cache.info.maxmemory_human }}
                    </div>
                  </td>
                </tr>
                <tr>
                  <td class="el-table__cell is-leaf">
                    <div class="cell">AOF是否开启</div>
                  </td>
                  <td class="el-table__cell is-leaf">
                    <div v-if="cache.info" class="cell">
                      {{ cache.info.aof_enabled == '0' ? '否' : '是' }}
                    </div>
                  </td>
                  <td class="el-table__cell is-leaf">
                    <div class="cell">RDB是否成功</div>
                  </td>
                  <td class="el-table__cell is-leaf">
                    <div v-if="cache.info" class="cell">
                      {{ cache.info.rdb_last_bgsave_status }}
                    </div>
                  </td>
                  <td class="el-table__cell is-leaf">
                    <div class="cell">Key数量</div>
                  </td>
                  <td class="el-table__cell is-leaf">
                    <div v-if="cache.dbSize" class="cell">
                      {{ cache.dbSize }}
                    </div>
                  </td>
                  <td class="el-table__cell is-leaf">
                    <div class="cell">网络入口/出口</div>
                  </td>
                  <td class="el-table__cell is-leaf">
                    <div v-if="cache.info" class="cell">
                      {{ cache.info.instantaneous_input_kbps }}kps/{{
                        cache.info.instantaneous_output_kbps
                      }}kps
                    </div>
                  </td>
                </tr>
              </tbody>
            </table>
          </div>
        </el-card>
      </el-col>

      <el-col :span="12" class="card-box">
        <el-card>
          <div slot="header">
            <span><i class="el-icon-pie-chart" /> 命令统计</span>
          </div>
          <div class="el-table el-table--enable-row-hover el-table--medium">
            <div ref="commandstats" style="height: 420px" />
          </div>
        </el-card>
      </el-col>

      <el-col :span="12" class="card-box">
        <el-card>
          <div slot="header">
            <span><i class="el-icon-odometer" /> 内存信息</span>
          </div>
          <div class="el-table el-table--enable-row-hover el-table--medium">
            <div ref="usedmemory" style="height: 420px" />
          </div>
        </el-card>
      </el-col>
    </el-row>
  </div>
</template>

<script>
import { getCache } from '@/api/monitor/cache';
import * as echarts from 'echarts';

export default {
  name: 'Cache',
  data() {
    return {
      // 统计命令信息
      commandstats: null,
      // 使用内存
      usedmemory: null,
      // cache信息
      cache: []
    };
  },
  created() {
    this.getList();
    this.openLoading();
  },
  methods: {
    /** 查缓存询信息 */
    getList() {
      getCache().then((response) => {
        this.cache = response.data;
        this.$modal.closeLoading();

        this.commandstats = echarts.init(this.$refs.commandstats, 'macarons');
        this.commandstats.setOption({
          tooltip: {
            trigger: 'item',
            formatter: '{a} <br/>{b} : {c} ({d}%)'
          },
          series: [
            {
              name: '命令',
              type: 'pie',
              roseType: 'radius',
              radius: [15, 95],
              center: ['50%', '38%'],
              data: response.data.commandStats,
              animationEasing: 'cubicInOut',
              animationDuration: 1000
            }
          ]
        });
        this.usedmemory = echarts.init(this.$refs.usedmemory, 'macarons');
        this.usedmemory.setOption({
          tooltip: {
            formatter: '{b} <br/>{a} : ' + this.cache.info.used_memory_human
          },
          series: [
            {
              name: '峰值',
              type: 'gauge',
              min: 0,
              max: 1000,
              detail: {
                formatter: this.cache.info.used_memory_human
              },
              data: [
                {
                  value: parseFloat(this.cache.info.used_memory_human),
                  name: '内存消耗'
                }
              ]
            }
          ]
        });
        window.addEventListener('resize', () => {
          this.commandstats.resize();
          this.usedmemory.resize();
        });
      });
    },
    // 打开加载层
    openLoading() {
      this.$modal.loading('正在加载缓存监控数据，请稍候！');
    }
  }
};
</script>
