sanguo_vnpy_v2/frontend/src/views/Dashboard.vue

<script setup lang="ts">
import { ref, computed, onMounted } from 'vue'
import { useRouter } from 'vue-router'
import { getTasks, type TaskListItem } from '@/api/backtest'
import { getStrategies } from '@/api/strategy'

const router = useRouter()
const tasks = ref<TaskListItem[]>([])
const strategyCount = ref(0)
const loading = ref(false)

onMounted(async () => {
  loading.value = true
  try {
    const [t, s] = await Promise.all([getTasks(), getStrategies().catch(() => [])])
    tasks.value = t
    strategyCount.value = Array.isArray(s) ? s.length : 0
  } finally {
    loading.value = false
  }
})

const stats = computed(() => ({
  total: tasks.value.length,
  done: tasks.value.filter((t) => t.status === 'done').length,
  failed: tasks.value.filter((t) => t.status === 'failed').length,
  strategies: strategyCount.value,
}))

const recent = computed(() => tasks.value.slice(0, 8))

const quickActions = [
  { label: '新建回测', desc: 'CTA 策略历史回测', path: '/backtest/new', mark: 'BT' },
  { label: '因子分析', desc: 'IC / 分层回测', path: '/factor/new', mark: 'FA' },
  { label: '新建模拟盘', desc: '回放 / 实盘模式', path: '/paper/new', mark: 'PA' },
  { label: '历史任务', desc: '全部回测记录', path: '/backtest/history', mark: 'HI' },
] as const

function go(path: string): void {
  router.push(path)
}

function open(row: TaskListItem): void {
  router.push(row.type === 'factor' ? `/factor/result/${row.task_id}` : `/backtest/result/${row.task_id}`)
}

const typeLabelMap: Record<string, string> = { cta: '回测', optimize: '优化', factor: '因子' }
function typeLabel(t: string): string {
  return typeLabelMap[t] || t
}
const statusLabelMap: Record<string, string> = { done: '完成', failed: '失败', running: '运行中', pending: '排队' }
function statusLabel(s: string): string {
  return statusLabelMap[s] || s
}
</script>

<template>
  <div class="page dashboard" v-loading="loading">
    <div class="page-head">
      <div>
        <h2 class="page-title">工作台</h2>
        <p class="page-subtitle">投研 · 回测 · 模拟 一站式控制台</p>
      </div>
    </div>

    <!-- 统计卡片 -->
    <div class="stat-row">
      <div class="stat-card">
        <div class="stat-label">任务总数</div>
        <div class="stat-value">{{ stats.total }}</div>
      </div>
      <div class="stat-card">
        <div class="stat-label">完成</div>
        <div class="stat-value up-color">{{ stats.done }}</div>
      </div>
      <div class="stat-card">
        <div class="stat-label">失败</div>
        <div class="stat-value down-color">{{ stats.failed }}</div>
      </div>
      <div class="stat-card">
        <div class="stat-label">可用策略</div>
        <div class="stat-value">{{ stats.strategies }}</div>
      </div>
    </div>

    <!-- 快捷入口 -->
    <div class="section-title">快捷入口</div>
    <div class="action-row">
      <div v-for="a in quickActions" :key="a.path" class="action-card" @click="go(a.path)">
        <span class="action-mark">{{ a.mark }}</span>
        <div class="action-body">
          <div class="action-label">{{ a.label }}</div>
          <div class="action-desc">{{ a.desc }}</div>
        </div>
      </div>
    </div>

    <!-- 最近任务 -->
    <div class="section-title">
      最近任务
      <el-button link type="primary" @click="go('/backtest/history')">查看全部</el-button>
    </div>
    <el-card class="table-card" shadow="never">
      <el-table :data="recent" size="small" empty-text="暂无任务">
        <el-table-column label="任务 ID" min-width="180">
          <template #default="{ row }"><span class="mono">{{ row.task_id }}</span></template>
        </el-table-column>
        <el-table-column label="类型" width="84">
          <template #default="{ row }"><span class="chip" :class="`chip-${row.type}`">{{ typeLabel(row.type) }}</span></template>
        </el-table-column>
        <el-table-column prop="strategy" label="策略 / 因子" min-width="190" show-overflow-tooltip />
        <el-table-column prop="symbol" label="标的" width="90" />
        <el-table-column label="状态" width="84">
          <template #default="{ row }"><span class="chip" :class="`st-${row.status}`">{{ statusLabel(row.status) }}</span></template>
        </el-table-column>
        <el-table-column label="操作" width="76">
          <template #default="{ row }"><el-button link type="primary" @click="open(row)">查看</el-button></template>
        </el-table-column>
      </el-table>
    </el-card>
  </div>
</template>

<style scoped>
.dashboard {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.stat-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
}
.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border-2);
  border-radius: var(--r-md);
  padding: 16px 18px;
}
.stat-label {
  font-size: 12px;
  color: var(--text-2);
}
.stat-value {
  margin-top: 6px;
  font-size: 28px;
  font-weight: 700;
  font-family: var(--mono);
  color: var(--text);
}
.up-color {
  color: var(--down);
}
.down-color {
  color: var(--danger);
}

.section-title {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
  margin-top: 4px;
}

.action-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
}
.action-card {
  display: flex;
  align-items: center;
  gap: 12px;
  background: var(--bg-card);
  border: 1px solid var(--border-2);
  border-radius: var(--r-md);
  padding: 14px 16px;
  cursor: pointer;
  transition: border-color 0.15s var(--ease), background 0.15s var(--ease);
}
.action-card:hover {
  border-color: var(--brand);
  background: var(--bg-hover);
}
.action-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: var(--r-sm);
  background: rgba(24, 144, 255, 0.14);
  color: var(--brand);
  font-weight: 700;
  font-size: 13px;
  font-family: var(--mono);
  flex-shrink: 0;
}
.action-label {
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
}
.action-desc {
  font-size: 12px;
  color: var(--text-3);
  margin-top: 2px;
}

.table-card {
  border: 1px solid var(--border-2);
}
</style>