<template>
  <div class="app-container">
    <div class="container">
      <el-row>
        <el-col :span="24"
          class="card-box">
          <el-card>
            <template #header>
              <Monitor style="width: 1em; height: 1em; vertical-align: middle;" /> <span
                style="vertical-align: middle;">基本信息</span>
            </template>
            <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 class="cell"
                        v-if="cache.info">{{ 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 class="cell"
                        v-if="cache.info">{{ 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 class="cell"
                        v-if="cache.info">{{ 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 class="cell"
                        v-if="cache.info">{{ 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 class="cell"
                        v-if="cache.info">{{ 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 class="cell"
                        v-if="cache.info">{{ 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 class="cell"
                        v-if="cache.info">{{ 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 class="cell"
                        v-if="cache.info">{{ 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 class="cell"
                        v-if="cache.info">{{ 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 class="cell"
                        v-if="cache.info">{{ 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 class="cell"
                        v-if="cache.dbSize">{{ 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 class="cell"
                        v-if="cache.info">{{ 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>
            <template #header>
              <PieChart style="width: 1em; height: 1em; vertical-align: middle;" /> <span
                style="vertical-align: middle;">命令统计</span>
            </template>
            <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>
            <template #header>
              <Odometer style="width: 1em; height: 1em; vertical-align: middle;" /> <span
                style="vertical-align: middle;">内存信息</span>
            </template>
            <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>
  </div>
</template>

<script setup
  name="Cache">
  import { getCache } from '@/api';
  import * as echarts from 'echarts';

  const cache = ref([]);
  const commandstats = ref(null);
  const usedmemory = ref(null);
  const { proxy } = getCurrentInstance();

  function getList() {
    proxy.$modal.loading("正在加载缓存监控数据，请稍候！");
    getCache().then(response => {
      proxy.$modal.closeLoading();
      cache.value = response.data;

      const commandstatsIntance = echarts.init(commandstats.value, "macarons");
      commandstatsIntance.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
          }
        ]
      });
      const usedmemoryInstance = echarts.init(usedmemory.value, "macarons");
      usedmemoryInstance.setOption({
        tooltip: {
          formatter: "{b} <br/>{a} : " + cache.value.info.used_memory_human
        },
        series: [
          {
            name: "峰值",
            type: "gauge",
            min: 0,
            max: 1000,
            detail: {
              formatter: cache.value.info.used_memory_human
            },
            data: [
              {
                value: parseFloat(cache.value.info.used_memory_human),
                name: "内存消耗"
              }
            ]
          }
        ]
      })
      window.addEventListener("resize", () => {
        commandstatsIntance.resize();
        usedmemoryInstance.resize();
      });
    })
  }

  getList();
</script>
