<template>
  <view class="page" @click="closeMoreMenu">
    <!-- 固定顶部导航栏 -->
    <AnalyticsTopBar 
      :title="'市场趋势'"
      :lastUpdateTime="lastUpdateTime"
      :sidebarVisible="showSidebarMenu"
      @menu-click="handleMenu"
      @refresh="refreshData"
      @search="handleSearch"
      @notification="handleNotification"
      @fullscreen="handleFullscreen"
      @mobile="handleMobile"
      @dropdown="handleDropdown"
      @settings="handleSettings"
    />
    
    <view class="page-layout">
      <!-- 侧边栏菜单组件 -->
      <AnalyticsSidebarMenu 
        :visible="showSidebarMenu" 
        :currentPath="currentPath"
        @visible-change="handleSidebarUpdate"
      />
      
      <!-- 主内容区域 -->
      <view class="main-content">
        <view class="container">

      <!-- 时间维度筛选 -->
      <view class="tabs">
        <view
          v-for="p in timePeriods"
          :key="p.value"
          class="tab"
          :class="{ active: selectedPeriod === p.value }"
          @click="selectPeriod(p.value)"
        >
          {{ p.label }}
        </view>
      </view>

      <!-- 市场整体趋势 -->
      <view class="card card-full">
        <view class="card-head">
          <text class="card-title">市场整体趋势</text>
          <text class="card-desc">{{ selectedPeriodText }} · GMV、订单数、用户数</text>
        </view>
        <EChartsView class="chart-box" :option="marketTrendOption" />
      </view>

      <!-- 行业对比分析 -->
      <view class="card">
        <view class="card-head">
          <text class="card-title">行业对比分析</text>
          <text class="card-desc">不同行业表现对比</text>
        </view>
        <EChartsView class="chart-box" :option="industryCompareOption" />
      </view>

      <!-- 季节性趋势 -->
      <view class="card">
        <view class="card-head">
          <text class="card-title">季节性趋势</text>
          <text class="card-desc">按月份统计</text>
        </view>
        <EChartsView class="chart-box" :option="seasonalTrendOption" />
      </view>

      <!-- 价格趋势分析 -->
      <view class="card card-full">
        <view class="card-head">
          <text class="card-title">价格趋势分析</text>
          <text class="card-desc">平均价格变化趋势</text>
        </view>
        <EChartsView class="chart-box" :option="priceTrendOption" />
      </view>

      <!-- 竞争分析 -->
      <view class="card">
        <view class="card-head">
          <text class="card-title">竞争分析</text>
          <text class="card-desc">市场份额、增长率对比</text>
        </view>
        <EChartsView class="chart-box" :option="competitionOption" />
      </view>

      <!-- 留白 -->
      <view style="height: 24px;"></view>
        </view>
      </view>
    </view>
  </view>
</template>

<script lang="uts">
import supa from '@/components/supadb/aksupainstance.uts'
import AnalyticsSidebarMenu from '@/components/analytics/AnalyticsSidebarMenu.uvue'
import AnalyticsTopBar from '@/components/analytics/AnalyticsTopBar.uvue'
import EChartsView from '@/uni_modules/charts/EChartsView.vue'

type TimePeriod = { value: string; label: string }

export default {
  components: {
    AnalyticsSidebarMenu,
    AnalyticsTopBar,
    EChartsView
  },
  data() {
    return {
      lastUpdateTime: '',
      selectedPeriod: '7d',
      showMoreMenu: false,
      showSidebarMenu: false,
      currentPath: '/pages/mall/analytics/market-trends',
      timePeriods: [
        { value: '7d', label: '7天' },
        { value: '30d', label: '30天' },
        { value: '90d', label: '90天' },
        { value: '1y', label: '1年' }
      ] as Array<TimePeriod>,

      marketTrendOption: {} as any,
      industryCompareOption: {} as any,
      seasonalTrendOption: {} as any,
      priceTrendOption: {} as any,
      competitionOption: {} as any
    }
  },

  computed: {
    selectedPeriodText(): string {
      const p = this.timePeriods.find((t) => t.value === this.selectedPeriod)
      return p ? p.label : '7天'
    }
  },

  onLoad() {
    this.currentPath = '/pages/mall/analytics/market-trends'
    this.updateTime()
    this.loadMarketData()
  },

  onShow() {
    this.currentPath = '/pages/mall/analytics/market-trends'
  },

  methods: {
    async loadMarketData() {
      // TODO: 实现市场数据加载
      this.updateTime()
      this.buildChartOptions()
    },

    selectPeriod(p: string) {
      this.selectedPeriod = p
      this.loadMarketData()
    },

    refreshData() {
      this.loadMarketData()
      uni.showToast({ title: '已刷新', icon: 'success' })
    },

    exportReport() {
      uni.showActionSheet({
        itemList: ['导出Excel', '导出PDF', '导出图片'],
        success: () => uni.showToast({ title: '导出成功', icon: 'success' })
      })
    },

    updateTime() {
      const now = new Date()
      const hh = now.getHours().toString().padStart(2, '0')
      const mm = now.getMinutes().toString().padStart(2, '0')
      this.lastUpdateTime = `${hh}:${mm}`
    },

    buildChartOptions() {
      // TODO: 构建图表配置
      this.marketTrendOption = {}
      this.industryCompareOption = {}
      this.seasonalTrendOption = {}
      this.priceTrendOption = {}
      this.competitionOption = {}
    },

    handleMenu() {
      this.showSidebarMenu = true
    },
    handleSidebarUpdate(visible: boolean) {
      this.showSidebarMenu = visible
    },

    toggleMoreMenu() {
      this.showMoreMenu = !this.showMoreMenu
    },

    closeMoreMenu() {
      this.showMoreMenu = false
    },
    handleSearch() {
      uni.showToast({ title: '搜索', icon: 'none' })
    },
    handleNotification() {
      uni.showToast({ title: '通知', icon: 'none' })
    },
    handleFullscreen() {
      uni.showToast({ title: '全屏', icon: 'none' })
    },
    handleMobile() {
      uni.showToast({ title: '移动端', icon: 'none' })
    },
    handleDropdown() {
      uni.showToast({ title: '下拉菜单', icon: 'none' })
    },
    handleSettings() {
      uni.showToast({ title: '设置', icon: 'none' })
    }
  }
}
</script>

<style>
.page {
  min-height: 100vh;
  background: #f6f7fb;
}

/* 页面布局：宽屏时侧边栏+内容，窄屏时全屏内容 */
.page-layout {
  display: flex;
  flex-direction: row !important;
  min-height: 100vh;
}

.main-content {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  padding-top: 64px; /* 为固定顶部导航栏留出空间 */
}

.container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 16px 16px 28px;
  box-sizing: border-box;
}

/* 顶部栏 */
.topbar {
  display: flex;
  flex-direction: row !important;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
  background: #fff;
  border-radius: 14px;
  border: 1px solid rgba(0,0,0,0.06);
  width: 100%;
  box-sizing: border-box;
  overflow: hidden;
}

.topbar-left {
  display: flex;
  flex-direction: row !important;
  align-items: center;
  gap: 12px;
  flex: 1;
  min-width: 0;
}

.menu-icon {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  background: #f3f4f6;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.2s;
}

.menu-icon:active {
  background: #e5e7eb;
  transform: scale(0.95);
}

.menu-icon .icon {
  font-size: 18px;
  color: #111;
  line-height: 1;
}

.title-group {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 4px;
  min-width: 0;
}

.title {
  font-size: 18px;
  font-weight: 700;
  color: #111;
  max-width: 420px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.subtitle {
  font-size: 12px;
  color: rgba(0,0,0,0.55);
  max-width: 420px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.topbar-right {
  display: flex;
  flex-direction: row !important;
  gap: 8px;
  align-items: center;
  flex-wrap: nowrap;
  flex-shrink: 0;
  position: relative;
  white-space: nowrap;
}

.icon-btn-icon {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  background: #f3f4f6;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.2s;
  flex-shrink: 0;
}

.icon-btn-icon:active {
  background: #e5e7eb;
  transform: scale(0.95);
}

.icon-btn-icon .icon {
  font-size: 16px;
  line-height: 1;
}

.more-btn {
  display: none;
  width: 32px;
  height: 32px;
  border-radius: 8px;
  background: #f3f4f6;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  position: relative;
  transition: all 0.2s;
  flex-shrink: 0;
}

.more-btn.active {
  background: #e5e7eb;
}

.more-btn .icon {
  font-size: 18px;
  line-height: 1;
  color: #111;
}

/* 时间维度 tabs */
.tabs {
  margin-top: 12px;
  display: flex;
  flex-direction: row !important;
  gap: 8px;
  padding: 8px;
  background: #fff;
  border-radius: 14px;
  border: 1px solid rgba(0,0,0,0.06);
  overflow-x: auto;
  flex-wrap: wrap;
  justify-content: center;
}

.tab {
  padding: 8px 12px;
  border-radius: 999px;
  background: #f3f4f6;
  color: #111;
  font-size: 13px;
  white-space: nowrap;
  flex-shrink: 0;
}

.tab.active {
  background: #111;
  color: #fff;
}

/* 卡片 */
.card {
  margin-top: 12px;
  background: #fff;
  border-radius: 16px;
  border: 1px solid rgba(0,0,0,0.06);
  box-shadow: 0 2px 10px rgba(0,0,0,0.04);
  padding: 14px;
  box-sizing: border-box;
}

.card-full {
  width: 100%;
}

.card-head {
  display: flex;
  flex-direction: row !important;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: 16px;
}

.card-title {
  font-size: 14px;
  font-weight: 600;
  color: #111;
}

.card-desc {
  font-size: 12px;
  color: rgba(0,0,0,0.55);
}

.chart-box {
  width: 100%;
  height: 360px;
}

/* 响应式：窄屏时全屏显示 */
@media screen and (max-width: 959px) {
  .page-layout {
    flex-direction: column !important;
  }
  
  .main-content {
    width: 100%;
  }
}

/* 响应式 */
@media screen and (max-width: 960px) {
  .title,
  .subtitle {
    max-width: 200px;
  }
  
  .topbar-right .btn-hidden {
    display: none !important;
  }
  
  .more-btn {
    display: flex !important;
  }
}
</style>
