admin-web/src/modules/dashboard/pages/DashboardView.vue

<script setup lang="ts">
import '@/styles/adminDensity.css'
import { ElButton } from 'element-plus'
import dayjs from 'dayjs'
import { computed, onBeforeUnmount, onMounted, ref } from 'vue'
import {
  Expand,
  Minimize,
  RefreshCw,
} from '@lucide/vue'
import AdminPage from '@/shared/components/AdminPage.vue'
import {
  getActiveCustomerCount,
  getDashboardOperationalMetrics,
  getTodayNewOrderCount,
  type DashboardOperationalMetrics,
} from '../api/dashboard'

const dashboardRef = ref<HTMLElement | null>(null)
const isFullscreen = ref(false)
const metricsLoading = ref(true)
const metricsError = ref(false)
const todayNewOrderCount = ref<number | null>(null)
const activeCustomerCount = ref<number | null>(null)
const operationalMetrics = ref<DashboardOperationalMetrics | null>(null)
const metricsUpdatedAt = ref<string | null>(null)

function displayNumber(value: number | null | undefined, maximumFractionDigits = 0) {
  if (metricsLoading.value) return '…'
  if (value === null || value === undefined) return '—'
  return new Intl.NumberFormat('zh-CN', { maximumFractionDigits }).format(value)
}

const metrics = computed(() => [
  { label: '今日新运单', value: displayNumber(todayNewOrderCount.value), unit: '票', note: '按今日创建时间统计' },
  {
    label: '在途柜量', value: displayNumber(operationalMetrics.value?.inTransitTeu, 2), unit: 'TEU',
    note: operationalMetrics.value
      ? `已开船未到仓 · ${operationalMetrics.value.inTransitContainerCount} 柜${operationalMetrics.value.unknownContainerTypeCount ? ` · ${operationalMetrics.value.unknownContainerTypeCount} 柜箱型未知` : ''}`
      : '已开船且尚未到仓',
  },
  { label: '活跃客户', value: displayNumber(activeCustomerCount.value), unit: '家', note: '客户状态为启用' },
  { label: '待清关票数', value: displayNumber(operationalMetrics.value?.pendingCustomsOrderCount), unit: '票', note: '已进入清关且尚未完成' },
])

async function toggleFullscreen() {
  if (!document.fullscreenElement) await dashboardRef.value?.requestFullscreen()
  else await document.exitFullscreen()
}

function syncFullscreenState() {
  isFullscreen.value = document.fullscreenElement === dashboardRef.value
}

async function loadMetrics() {
  metricsLoading.value = true
  metricsError.value = false
  const [orders, customers, operations] = await Promise.allSettled([
    getTodayNewOrderCount(),
    getActiveCustomerCount(),
    getDashboardOperationalMetrics(),
  ])
  todayNewOrderCount.value = orders.status === 'fulfilled' ? orders.value : null
  activeCustomerCount.value = customers.status === 'fulfilled' ? customers.value : null
  operationalMetrics.value = operations.status === 'fulfilled' ? operations.value : null
  metricsError.value = [orders, customers, operations].some(result => result.status === 'rejected')
  metricsUpdatedAt.value = operations.status === 'fulfilled' && operations.value.asOf
    ? operations.value.asOf
    : dayjs().format('YYYY-MM-DDTHH:mm:ss')
  metricsLoading.value = false
}

onMounted(() => {
  document.addEventListener('fullscreenchange', syncFullscreenState)
  void loadMetrics()
})
onBeforeUnmount(() => document.removeEventListener('fullscreenchange', syncFullscreenState))
</script>

<template>
  <section ref="dashboardRef" class="dashboard-view admin-density">
    <AdminPage as="div" spacing="normal">
      <section class="dashboard-context" aria-label="数据看板说明">
        <p>{{ metricsError ? '部分核心指标加载失败，可刷新重试。' : '核心指标来自实时业务数据。' }}</p>
        <div class="dashboard-head-actions">
          <span>数据更新时间：{{ metricsUpdatedAt ? dayjs(metricsUpdatedAt).format('YYYY-MM-DD HH:mm') : '加载中' }}</span>
          <el-button class="dashboard-control" :disabled="metricsLoading" @click="loadMetrics">
            <RefreshCw :size="16" aria-hidden="true" />
            刷新数据
          </el-button>
          <el-button class="dashboard-control" :aria-pressed="isFullscreen" @click="toggleFullscreen">
            <Minimize v-if="isFullscreen" :size="16" aria-hidden="true" />
            <Expand v-else :size="16" aria-hidden="true" />
            {{ isFullscreen ? '退出全屏' : '全屏展示' }}
          </el-button>
        </div>
      </section>

      <dl class="dashboard-metrics density-fields" aria-label="核心业务指标">
        <div v-for="metric in metrics" :key="metric.label" class="dashboard-metric">
          <dt>{{ metric.label }}</dt>
          <dd>
            <strong>{{ metric.value }} <small>{{ metric.unit }}</small></strong>
            <span class="dashboard-metric-note">{{ metric.note }}</span>
          </dd>
        </div>
      </dl>
    </AdminPage>
  </section>
</template>

<style scoped>
.dashboard-view { min-width: 0; color: var(--cc-text); }
.dashboard-view:fullscreen { overflow: auto; padding: var(--admin-space-7); background: var(--cc-page, #f4f6f8); }
.dashboard-context { display: flex; min-width: 0; align-items: center; justify-content: space-between; gap: var(--admin-space-6); }
.dashboard-context p { min-width: 0; margin: 0; color: var(--cc-muted); font-size: var(--admin-font-caption); line-height: 1.55; }
.dashboard-head-actions { display: flex; align-items: center; gap: var(--admin-space-5); color: var(--cc-muted); font-size: var(--admin-font-caption); white-space: nowrap; }
.dashboard-head-actions .el-button + .el-button { margin-left: 0; }
.dashboard-metrics .dashboard-metric dd { display: flex; flex-direction: column; align-items: flex-start; gap: var(--admin-space-2); }
.dashboard-metric strong { font-size: var(--admin-font-title); font-variant-numeric: tabular-nums; overflow-wrap: anywhere; }
.dashboard-metric strong small, .dashboard-metric-note { color: var(--cc-muted); font-size: var(--admin-font-caption); font-weight: normal; }
@media (max-width: 1180px) {
  .dashboard-metrics.density-fields { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}
@media (max-width: 760px) {
  .dashboard-context { align-items: flex-start; flex-direction: column; }
  .dashboard-head-actions { align-items: flex-start; flex-direction: column; gap: 9px; white-space: normal; }
  .dashboard-metrics.density-fields { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 420px) {
  .dashboard-metrics.density-fields { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .dashboard-metrics .dashboard-metric { grid-template-columns: minmax(0, 1fr); }
}
</style>