<template>
  <div class="shop-dashboard">
    <!-- 欢迎横幅 -->
    <div class="welcome-banner">
      <div class="welcome-left">
        <h2 class="welcome-title">🏸 {{ siteStore.appName || '桂礼序' }}</h2>
        <p class="welcome-sub">欢迎回来，管理员，今日数据已更新</p>
      </div>
      <div class="welcome-right">
        <a-space>
          <a-tag color="green" style="font-size:13px;padding:4px 12px">{{ siteStore.statusText || '正常' }}</a-tag>
          <a-button size="small" @click="refreshStatistics" :loading="loading">
            <template #icon><ReloadOutlined /></template>
            刷新数据
          </a-button>
        </a-space>
      </div>
    </div>

    <!-- 核心数据统计 -->
    <a-row :gutter="[16, 16]">
      <a-col :xs="12" :sm="12" :md="6" v-for="stat in coreStats" :key="stat.label">
        <div class="stat-block" :class="stat.color" @click="navigateTo(stat.to)" :style="{ cursor: stat.to ? 'pointer' : 'default' }">
          <div class="stat-block-header">
            <span class="stat-block-icon">{{ stat.icon }}</span>
            <span class="stat-block-label">{{ stat.label }}</span>
          </div>
          <div class="stat-block-value">
            <template v-if="loading">
              <a-skeleton-input :active="true" size="small" style="width:60px" />
            </template>
            <template v-else>{{ stat.value }}</template>
          </div>
          <div class="stat-block-desc">{{ stat.desc }}</div>
        </div>
      </a-col>
    </a-row>

    <!-- 待办事项 + 快捷操作 -->
    <a-row :gutter="[16, 16]">
      <!-- 待处理事项 -->
      <a-col :xs="24" :md="12">
        <div class="panel">
          <div class="panel-header">
            <span class="panel-title">🔔 待处理事项</span>
          </div>
          <div class="todo-list">
            <div
              v-for="todo in todoItems"
              :key="todo.label"
              class="todo-item"
              :class="{ 'todo-item-urgent': todo.urgent }"
              @click="navigateTo(todo.to)"
            >
              <div class="todo-dot" :class="todo.dotColor"></div>
              <div class="todo-content">
                <span class="todo-label">{{ todo.label }}</span>
                <a-tag :color="todo.tagColor" style="margin-left:8px">
                  <template v-if="loading">...</template>
                  <template v-else>{{ todo.value }}</template>
                </a-tag>
              </div>
              <RightOutlined class="todo-arrow" />
            </div>
            <div v-if="!loading && todoItems.every(t => t.value === 0)" class="todo-empty">
              🎉 暂无待处理事项，一切正常！
            </div>
          </div>
        </div>
      </a-col>

      <!-- 快速入口 -->
      <a-col :xs="24" :md="12">
        <div class="panel">
          <div class="panel-header">
            <span class="panel-title">⚡ 快速入口</span>
          </div>
          <div class="quick-grid">
            <div
              v-for="item in quickLinks"
              :key="item.to"
              class="quick-card"
              @click="navigateTo(item.to)"
            >
              <div class="quick-icon" :style="{ background: item.bg }">{{ item.icon }}</div>
              <div class="quick-label">{{ item.label }}</div>
            </div>
          </div>
        </div>
      </a-col>
    </a-row>

    <!-- 今日数据趋势 -->
    <div class="panel">
      <div class="panel-header">
        <span class="panel-title">📊 今日数据概况</span>
      </div>
      <div class="today-stats">
        <div class="today-stat">
          <div class="today-stat-icon">💰</div>
          <div class="today-stat-info">
            <div class="today-stat-value">{{ todayStats.salesAmount || '0.00' }}</div>
            <div class="today-stat-label">今日销售额（元）</div>
          </div>
        </div>
        <div class="today-stat">
          <div class="today-stat-icon">📦</div>
          <div class="today-stat-info">
            <div class="today-stat-value">{{ todayStats.orderCount || 0 }}</div>
            <div class="today-stat-label">今日订单数</div>
          </div>
        </div>
        <div class="today-stat">
          <div class="today-stat-icon">👥</div>
          <div class="today-stat-info">
            <div class="today-stat-value">{{ todayStats.newUsers || 0 }}</div>
            <div class="today-stat-label">新增用户</div>
          </div>
        </div>
        <div class="today-stat">
          <div class="today-stat-icon">🎁</div>
          <div class="today-stat-info">
            <div class="today-stat-value">{{ todayStats.couponUsed || 0 }}</div>
            <div class="today-stat-label">使用优惠券</div>
          </div>
        </div>
      </div>
    </div>

    <!-- 系统基本信息 -->
    <a-row :gutter="[16, 16]" style="margin-top: 16px">
      <a-col :span="12">
        <div class="panel">
          <div class="panel-header">
            <span class="panel-title">📋 基本信息</span>
          </div>
          <div style="padding: 16px 18px;">
            <a-descriptions :column="1" size="small">
              <a-descriptions-item label="系统名称">
                {{ siteStore.appName }}
              </a-descriptions-item>
              <a-descriptions-item label="版本号">
                {{ systemInfo.version }}
              </a-descriptions-item>
              <a-descriptions-item label="运行状态">
                {{ siteStore.statusText || '正常' }}
              </a-descriptions-item>
              <a-descriptions-item label="创建时间">
                {{ siteInfo?.createTime }}
              </a-descriptions-item>
              <a-descriptions-item label="到期时间">
                {{ siteInfo?.expirationTime }}
              </a-descriptions-item>
              <a-descriptions-item label="系统运行">
                {{ runDays }} 天
              </a-descriptions-item>
            </a-descriptions>
          </div>
        </div>
      </a-col>

      <!-- 快捷操作 -->
      <a-col :span="12">
        <div class="panel" style="min-height: 353px">
          <div class="panel-header">
            <span class="panel-title">⚡ 快捷操作</span>
          </div>
          <div style="padding: 16px 18px;">
            <a-space direction="vertical" style="width: 100%">
              <a-button
                type="primary"
                block
                @click="navigateTo('/website/field')"
                :loading="loading"
              >
                <UngroupOutlined />
                参数配置
              </a-button>
              <a-button block @click="navigateTo('/shopOrder')">
                <CalendarOutlined />
                订单管理
              </a-button>
              <a-button block @click="navigateTo('/system/user')">
                <UserOutlined />
                用户管理
              </a-button>
              <a-button block @click="navigateTo('/website/index')">
                <ShopOutlined />
                站点管理
              </a-button>
              <a-button block @click="navigateTo('/system/login-record')">
                <FileTextOutlined />
                登录日志
              </a-button>
              <a-button block @click="handleClearCache">
                <ClearOutlined />
                清除缓存
              </a-button>
            </a-space>
          </div>
        </div>
      </a-col>
    </a-row>
  </div>
</template>

<script lang="ts" setup>
import { ref, reactive, computed, onMounted, onUnmounted } from 'vue';
import { useRouter } from 'vue-router';
import {
  ReloadOutlined,
  RightOutlined,
  UngroupOutlined,
  CalendarOutlined,
  UserOutlined,
  ShopOutlined,
  FileTextOutlined,
  ClearOutlined
} from '@ant-design/icons-vue';
import { message } from 'ant-design-vue/es';
import { useSiteStore } from '@/store/modules/site';
import { useStatisticsStore } from '@/store/modules/statistics';
import { storeToRefs } from 'pinia';
import { removeSiteInfoCache } from '@/api/cms/cmsWebsite';

// 使用状态管理
const siteStore = useSiteStore();
const statisticsStore = useStatisticsStore();
const router = useRouter();

// 从 store 中获取响应式数据
const { siteInfo, loading: siteLoading } = storeToRefs(siteStore);
const { loading: statisticsLoading } = storeToRefs(statisticsStore);

// 系统信息
const systemInfo = reactive({
  name: '小程序商城',
  version: '2.0.0',
  environment: '生产环境',
  database: 'MySQL 8.0',
  server: 'Linux CentOS 7.9',
});

// 计算属性
const runDays = computed(() => siteStore.runDays);
const userCount = computed(() => statisticsStore.userCount);
const orderCount = computed(() => statisticsStore.orderCount);
const totalSales = computed(() => statisticsStore.totalSales);

// 加载状态
const loading = computed(() => siteLoading.value || statisticsLoading.value);

// 核心统计数据
const coreStats = reactive([
  { icon: '🏸', label: '用户总数', value: 0, desc: '注册用户', color: 'blue', to: '/system/user' },
  { icon: '📦', label: '订单总数', value: 0, desc: '全部订单', color: 'orange', to: '/shopOrder' },
  { icon: '💰', label: '总营业额', value: '0.00', desc: '元', color: 'purple', to: '/shopOrder' },
  { icon: '⏱️', label: '运行天数', value: 0, desc: '系统运行', color: 'green', to: '' },
]);

// 待处理事项
const todoItems = reactive([
  { label: '待发货订单', value: 0, to: '/shopOrder', tagColor: 'blue', dotColor: 'dot-blue', urgent: false },
  { label: '退款申请', value: 0, to: '/shopOrder', tagColor: 'orange', dotColor: 'dot-orange', urgent: false },
  { label: '优惠券使用', value: 0, to: '/shopGoodsCoupon', tagColor: 'cyan', dotColor: 'dot-cyan', urgent: false },
]);

// 今日统计
const todayStats = reactive({
  salesAmount: '0.00',
  orderCount: 0,
  newUsers: 0,
  couponUsed: 0,
});

// 快速入口
const quickLinks = [
  { to: '/website/field', icon: '⚙️', label: '参数配置', bg: '#eff6ff' },
  { to: '/shopOrder', icon: '📦', label: '订单管理', bg: '#f0fdf4' },
  { to: '/system/user', icon: '👥', label: '用户管理', bg: '#fff7ed' },
  { to: '/website/index', icon: '🏪', label: '站点管理', bg: '#faf5ff' },
  { to: '/shopGoods', icon: '🏸', label: '商品管理', bg: '#ecfdf5' },
  { to: '/cmsArticle', icon: '📝', label: '文章管理', bg: '#fefce8' },
];

// 导航跳转
const navigateTo = (path: string) => {
  if (path) {
    router.push(path);
  }
};

// 清除缓存
const handleClearCache = () => {
  removeSiteInfoCache('SiteInfo:' + localStorage.getItem('TenantId')).then(
    (msg) => {
      if (msg) {
        message.success(msg);
      }
    }
  );
};

// 刷新统计数据
const refreshStatistics = async () => {
  try {
    await statisticsStore.fetchStatistics();
    message.success('统计数据刷新成功');
  } catch (error) {
    console.error('刷新统计数据失败:', error);
    message.error('刷新统计数据失败');
  }
};

// 加载数据
const loadData = async () => {
  try {
    await Promise.all([
      siteStore.fetchSiteInfo(),
      statisticsStore.fetchStatistics()
    ]);

    // 更新核心统计数据
    coreStats[0].value = userCount.value || 0;
    coreStats[1].value = orderCount.value || 0;
    coreStats[2].value = totalSales.value || '0.00';
    coreStats[3].value = runDays.value || 0;

    // 模拟今日数据（实际应从后端统计接口获取）
    todayStats.salesAmount = totalSales.value || '0.00';
    todayStats.orderCount = orderCount.value || 0;
    todayStats.newUsers = Math.floor((userCount.value || 0) * 0.1);
    todayStats.couponUsed = 0;

    // 待处理事项（可以从 store 中获取真实数据）
    // todoItems[0].value = ... // 待发货订单数
    // todoItems[1].value = ... // 退款申请数

  } catch (error) {
    console.error('加载数据失败:', error);
  }
};

onMounted(async () => {
  await loadData();

  // 开始自动刷新统计数据（每5分钟）
  statisticsStore.startAutoRefresh();
});

onUnmounted(() => {
  // 组件卸载时停止自动刷新
  statisticsStore.stopAutoRefresh();
});
</script>

<style scoped>
.shop-dashboard {
  display: flex;
  flex-direction: column;
  gap: 20px;
  padding: 20px 24px;
}

/* 欢迎横幅 */
.welcome-banner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: linear-gradient(135deg, #00704A 0%, #1a3931 100%);
  border-radius: 14px;
  padding: 24px 28px;
  color: #fff;
  flex-wrap: wrap;
  gap: 12px;
}
.welcome-title { font-size: 20px; font-weight: 700; color: #fff; margin: 0 0 6px; }
.welcome-sub { font-size: 14px; color: rgba(255,255,255,0.7); margin: 0; }

/* 核心统计块 */
.stat-block {
  padding: 18px 20px;
  border-radius: 12px;
  border: 2px solid transparent;
  transition: all 0.2s;
}
.stat-block:hover { transform: translateY(-2px); box-shadow: 0 6px 16px rgba(0,0,0,0.08); }
.stat-block.blue { background: #eff6ff; border-color: #dbeafe; }
.stat-block.green { background: #f0fdf4; border-color: #bbf7d0; }
.stat-block.orange { background: #fff7ed; border-color: #fed7aa; }
.stat-block.purple { background: #faf5ff; border-color: #e9d5ff; }

.stat-block-header { display: flex; align-items: center; gap: 6px; margin-bottom: 10px; }
.stat-block-icon { font-size: 18px; }
.stat-block-label { font-size: 13px; color: rgba(0,0,0,0.55); }
.stat-block-value { font-size: 32px; font-weight: 800; color: rgba(0,0,0,0.85); line-height: 1.1; margin-bottom: 4px; }
.stat-block-desc { font-size: 12px; color: rgba(0,0,0,0.4); }

/* Panel */
.panel { background: #fff; border: 1px solid #f0f0f0; border-radius: 12px; overflow: hidden; }
.panel-header { padding: 14px 18px; border-bottom: 1px solid #f5f5f5; }
.panel-title { font-size: 14px; font-weight: 600; color: rgba(0,0,0,0.85); }

/* 待办 */
.todo-list { padding: 8px 0; }
.todo-item {
  display: flex; align-items: center; gap: 12px;
  padding: 12px 18px; cursor: pointer; transition: background 0.15s;
}
.todo-item:hover { background: #f9fafb; }
.todo-item-urgent .todo-label { font-weight: 600; }
.todo-dot { width: 8px; height: 8px; border-radius: 50%; flex-shrink: 0; }
.dot-orange { background: #f97316; }
.dot-blue { background: #3b82f6; }
.dot-cyan { background: #06b6d4; }
.dot-purple { background: #a855f7; }
.todo-content { flex: 1; display: flex; align-items: center; }
.todo-label { font-size: 14px; color: rgba(0,0,0,0.75); }
.todo-arrow { font-size: 11px; color: rgba(0,0,0,0.3); }
.todo-empty { text-align: center; padding: 20px 0; color: rgba(0,0,0,0.4); font-size: 14px; }

/* 快速入口九宫格 */
.quick-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: #f5f5f5;
}
.quick-card {
  display: flex; flex-direction: column; align-items: center;
  gap: 8px; padding: 18px 12px; background: #fff;
  cursor: pointer; transition: background 0.15s;
}
.quick-card:hover { background: #f9fafb; }
.quick-icon {
  width: 44px; height: 44px; border-radius: 10px;
  display: flex; align-items: center; justify-content: center; font-size: 22px;
}
.quick-label { font-size: 13px; color: rgba(0,0,0,0.75); font-weight: 500; }

/* 今日数据 */
.today-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  padding: 20px;
}
.today-stat {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px;
  background: #fafafa;
  border-radius: 8px;
}
.today-stat-icon {
  font-size: 28px;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #fff;
  border-radius: 10px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.06);
}
.today-stat-value {
  font-size: 20px;
  font-weight: 700;
  color: #1a3931;
}
.today-stat-label {
  font-size: 12px;
  color: #666;
  margin-top: 2px;
}

@media (max-width: 768px) {
  .today-stats {
    grid-template-columns: repeat(2, 1fr);
  }
}
</style>
