{{ template "page/head_start" .}}
{{ template "page/head_end" .}}

{{ template "page/body_start" .}}
<a-layout id="app" v-cloak :class="themeSwitcher.currentTheme + ' nodes-page'">
  <a-sidebar></a-sidebar>
  <a-layout id="content-layout">
    <a-layout-content>
      <a-spin :spinning="loading" :delay="200" tip='{{ i18n "loading"}}'>
        <transition name="list" appear>
          <a-row :gutter="[isMobile ? 8 : 16, isMobile ? 8 : 12]">
            <!-- Connected Nodes Section -->
            <a-col :span="24">
              <a-card hoverable>
                <template #title>
                  <a-row type="flex" justify="space-between" align="middle">
                    <a-col>
                      <a-space>
                        <a-icon type="cluster"></a-icon>
                        <span>{{ i18n "pages.nodes.connectedNodes" }}</span>
                        <a-tag :color="nodeRole === 'master' ? 'blue' : 'green'">[[ nodeRole ]]</a-tag>
                      </a-space>
                    </a-col>
                    <a-col>
                      <a-button icon="reload" size="small" @click="loadNodes">{{ i18n "pages.nodes.refresh" }}</a-button>
                    </a-col>
                  </a-row>
                </template>
                <a-table
                  v-if="nodeRole === 'master'"
                  :columns="nodeColumns"
                  :data-source="nodes"
                  :row-key="record => record.nodeId"
                  :pagination="false"
                  :scroll="isMobile ? { x: 700 } : undefined"
                  size="middle">
                  <template slot="status" slot-scope="text, record">
                    <a-badge :status="record.online ? 'success' : 'error'" :text="record.online ? '{{ i18n "pages.nodes.online" }}' : '{{ i18n "pages.nodes.offline" }}'" />
                  </template>
                  <template slot="role" slot-scope="text, record">
                    <a-tag :color="record.nodeRole === 'master' ? 'blue' : 'green'">[[ record.nodeRole ]]</a-tag>
                  </template>
                  <template slot="lastHeartbeat" slot-scope="text, record">
                    [[ record.lastHeartbeatAt ? formatTime(record.lastHeartbeatAt) : '-' ]]
                  </template>
                  <template slot="lastSync" slot-scope="text, record">
                    [[ record.lastSyncAt ? formatTime(record.lastSyncAt) : '-' ]]
                  </template>
                </a-table>
                <div v-if="nodeRole === 'worker'">
                  <a-empty v-if="nodes.length === 0" :description="nodeRole === 'master' ? '{{ i18n "pages.nodes.noWorkerNodes" }}' : '{{ i18n "pages.nodes.noMasterNode" }}'" />
                  <a-descriptions v-else bordered size="small" :column="isMobile ? 1 : 2">
                    <a-descriptions-item label='{{ i18n "pages.nodes.nodeId" }}'>[[ nodes[0].nodeId ]]</a-descriptions-item>
                    <a-descriptions-item label='{{ i18n "pages.nodes.status" }}'>
                      <a-badge :status="nodes[0].online ? 'success' : 'error'" :text="nodes[0].online ? '{{ i18n "pages.nodes.online" }}' : '{{ i18n "pages.nodes.offline" }}'" />
                    </a-descriptions-item>
                    <a-descriptions-item label='{{ i18n "pages.nodes.lastHeartbeat" }}'>[[ nodes[0].lastHeartbeatAt ? formatTime(nodes[0].lastHeartbeatAt) : '-' ]]</a-descriptions-item>
                    <a-descriptions-item label='{{ i18n "pages.nodes.lastSync" }}'>[[ nodes[0].lastSyncAt ? formatTime(nodes[0].lastSyncAt) : '-' ]]</a-descriptions-item>
                    <a-descriptions-item label='{{ i18n "pages.nodes.syncVersion" }}'>[[ nodes[0].lastSeenVersion ]]</a-descriptions-item>
                    <a-descriptions-item label='{{ i18n "pages.nodes.error" }}'>[[ nodes[0].lastError || '-' ]]</a-descriptions-item>
                  </a-descriptions>
                </div>
                <a-empty v-if="nodeRole === 'master' && nodes.length === 0" description='{{ i18n "pages.nodes.noWorkerNodes" }}' />
              </a-card>
            </a-col>

            <!-- Current Node Config Section -->
            <a-col :span="24">
              <a-card hoverable>
                <template #title>
                  <a-space>
                    <a-icon type="setting"></a-icon>
                    <span>{{ i18n "pages.nodes.currentNodeConfig" }}</span>
                  </a-space>
                </template>
                <a-form layout="vertical">
                  <a-row :gutter="16">
                    <a-col :xs="24" :sm="12" :md="8">
                      <a-form-item label='{{ i18n "pages.nodes.role" }}'>
                        <a-input :value="nodeConfig.role" disabled></a-input>
                      </a-form-item>
                    </a-col>
                    <a-col :xs="24" :sm="12" :md="8">
                      <a-form-item label='{{ i18n "pages.nodes.nodeId" }}'>
                        <a-input :value="nodeConfig.nodeId" disabled></a-input>
                      </a-form-item>
                    </a-col>
                    <a-col :xs="24" :sm="12" :md="8">
                      <a-form-item label='{{ i18n "pages.nodes.dbType" }}'>
                        <a-select v-model="nodeConfig.dbType" :disabled="saving">
                          <a-select-option value="sqlite">SQLite</a-select-option>
                          <a-select-option value="mysql">MySQL/MariaDB</a-select-option>
                        </a-select>
                      </a-form-item>
                    </a-col>
                    <a-col :xs="24" :sm="12" :md="8">
                      <a-form-item label='{{ i18n "pages.nodes.syncInterval" }}'>
                        <a-input-number v-model="nodeConfig.syncInterval" :min="5" :max="3600" style="width: 100%"></a-input-number>
                      </a-form-item>
                    </a-col>
                    <a-col :xs="24" :sm="12" :md="8">
                      <a-form-item label='{{ i18n "pages.nodes.trafficFlushInterval" }}'>
                        <a-input-number v-model="nodeConfig.trafficFlushInterval" :min="5" :max="3600" style="width: 100%"></a-input-number>
                      </a-form-item>
                    </a-col>
                  </a-row>
                  <a-divider>{{ i18n "pages.nodes.dbSettings" }}</a-divider>
                  <a-row :gutter="16">
                    <a-col :xs="24" :sm="12" :md="8">
                      <a-form-item label='{{ i18n "pages.nodes.dbHost" }}'>
                        <a-input v-model="nodeConfig.dbHost" :disabled="saving"></a-input>
                      </a-form-item>
                    </a-col>
                    <a-col :xs="24" :sm="12" :md="8">
                      <a-form-item label='{{ i18n "pages.nodes.dbPort" }}'>
                        <a-input v-model="nodeConfig.dbPort" :disabled="saving"></a-input>
                      </a-form-item>
                    </a-col>
                    <a-col :xs="24" :sm="12" :md="8">
                      <a-form-item label='{{ i18n "pages.nodes.dbName" }}'>
                        <a-input v-model="nodeConfig.dbName" :disabled="saving"></a-input>
                      </a-form-item>
                    </a-col>
                    <a-col :xs="24" :sm="12" :md="8">
                      <a-form-item label='{{ i18n "pages.nodes.dbUser" }}'>
                        <a-input v-model="nodeConfig.dbUser" :disabled="saving"></a-input>
                      </a-form-item>
                    </a-col>
                    <a-col :xs="24" :sm="12" :md="8">
                      <a-form-item label='{{ i18n "pages.nodes.dbPass" }}'>
                        <a-input-password v-model="nodeConfig.dbPass" :disabled="saving"></a-input-password>
                      </a-form-item>
                    </a-col>
                  </a-row>
                  <a-form-item>
                    <a-button type="primary" icon="save" :loading="saving" @click="saveConfig">
                      {{ i18n "pages.nodes.save" }}
                    </a-button>
                  </a-form-item>
                </a-form>
              </a-card>
            </a-col>
          </a-row>
        </transition>
      </a-spin>
    </a-layout-content>
  </a-layout>
</a-layout>
{{template "page/body_scripts" .}}
<script>
  const app = new Vue({
    el: '#app',
    delimiters: ['[[', ']]'],
    data() {
      return {
        loading: false,
        saving: false,
        nodeRole: '',
        nodes: [],
        nodeConfig: {
          role: '',
          nodeId: '',
          syncInterval: 30,
          trafficFlushInterval: 10,
          dbType: '',
          dbHost: '',
          dbPort: '',
          dbUser: '',
          dbPass: '',
          dbName: '',
        },
        nodeColumns: [
          { title: '{{ i18n "pages.nodes.nodeId" }}', dataIndex: 'nodeId', width: 150 },
          { title: '{{ i18n "pages.nodes.status" }}', scopedSlots: { customRender: 'status' }, width: 100 },
          { title: '{{ i18n "pages.nodes.role" }}', scopedSlots: { customRender: 'role' }, width: 80 },
          { title: '{{ i18n "pages.nodes.lastHeartbeat" }}', scopedSlots: { customRender: 'lastHeartbeat' }, width: 180 },
          { title: '{{ i18n "pages.nodes.lastSync" }}', scopedSlots: { customRender: 'lastSync' }, width: 180 },
          { title: '{{ i18n "pages.nodes.syncVersion" }}', dataIndex: 'lastSeenVersion', width: 120 },
          { title: '{{ i18n "pages.nodes.error" }}', dataIndex: 'lastError', ellipsis: true },
        ],
        refreshTimer: null,
      }
    },
    computed: {
      isMobile() {
        return window.innerWidth <= 768;
      }
    },
    methods: {
      async loadNodes() {
        try {
          const res = await axios.get('api/nodes/list');
          if (res.data.success) {
            this.nodes = res.data.obj;
          }
        } catch (e) {
          console.error('Failed to load nodes', e);
        }
      },
      async loadConfig() {
        try {
          const res = await axios.get('api/nodes/config');
          if (res.data.success) {
            Object.assign(this.nodeConfig, res.data.obj);
            this.nodeRole = res.data.obj.role;
          }
        } catch (e) {
          console.error('Failed to load node config', e);
        }
      },
      async saveConfig() {
        this.saving = true;
        try {
          const res = await axios.post('api/nodes/config', {
            syncInterval: this.nodeConfig.syncInterval,
            trafficFlushInterval: this.nodeConfig.trafficFlushInterval,
            dbType: this.nodeConfig.dbType,
            dbHost: this.nodeConfig.dbHost,
            dbPort: this.nodeConfig.dbPort,
            dbUser: this.nodeConfig.dbUser,
            dbPass: this.nodeConfig.dbPass,
            dbName: this.nodeConfig.dbName,
          });
          if (res.data.success) {
            this.$message.success(res.data.msg);
          } else {
            this.$message.error(res.data.msg);
          }
        } catch (e) {
          this.$message.error('Save failed');
        } finally {
          this.saving = false;
        }
      },
      formatTime(ts) {
        if (!ts) return '-';
        return moment.unix(ts).format('YYYY-MM-DD HH:mm:ss');
      },
    },
    mounted() {
      this.loadNodes();
      this.loadConfig();
      this.refreshTimer = setInterval(() => {
        this.loadNodes();
      }, 10000);
    },
    beforeDestroy() {
      if (this.refreshTimer) {
        clearInterval(this.refreshTimer);
      }
    },
  });
</script>
{{ template "page/body_end" }}
</html>