<template>
  <view class="app-container">
    <!-- ========== 首页内容 ========== -->
    <view v-if="currentTab === 'home'" class="page-content home-page">
      <scroll-view
        class="product-area"
        scroll-y
      >
        <!-- 热销商品标题 + 装饰 -->
        <view class="section-title-wrap">
          <view class="section-title">热销商品</view>
          <view class="title-decoration">
            <view class="deco-dot"></view>
            <view class="deco-line"></view>
          </view>
        </view>

        <!-- 分类 Tab 横向滚动 -->
        <scroll-view class="category-tabs" scroll-x>
          <view class="tabs-inner">
            <view class="tab-item" :class="{ active: activeCategory === 'all' }" @click="switchCategory('all')">
              <text class="tab-text">全部商品</text>
              <view class="tab-underline"></view>
            </view>
            <view
              v-for="(cat, idx) in categoryList"
              :key="idx"
              class="tab-item"
              :class="{ active: activeCategory === cat.category }"
              @click="switchCategory(cat.category)"
            >
              <text class="tab-text">{{ cat.category }}</text>
              <view class="tab-underline"></view>
            </view>
          </view>
        </scroll-view>

        <!-- 商品网格 -->
        <view class="product-grid">
          <view
            v-for="(item, idx) in displayProducts"
            :key="idx"
            class="product-card"
            @click="goProductDetail(item)"
          >
            <image class="product-img" :src="item.image" mode="aspectFill" />
            <view class="product-name">{{ item.name }}</view>
            <view class="product-price">
              <text class="price-yen">¥</text>
              <text class="price-num">{{ getDisplayPrice(item) }}</text>
            </view>
          </view>
        </view>

        <!-- 无商品时 -->
        <view v-if="categoryList.length === 0 && !loading" class="empty-tip">
          <text>暂无商品</text>
        </view>

        <!-- loading -->
        <view v-if="loading" class="loading-tip">
          <text>加载中...</text>
        </view>

        <!-- 底部占位 -->
        <view class="bottom-spacer"></view>
      </scroll-view>

      <!-- 底部导航栏 -->
      <view class="tab-bar">
        <view class="tab-item" :class="{ active: currentTab === 'home' }" @click="switchTab('home')">
          <text class="tab-text">首页</text>
        </view>

        <view class="door-btn-wrapper" @click="handleOpenDoor">
          <view class="door-btn">开门</view>
        </view>

        <view class="tab-item" :class="{ active: currentTab === 'mine' }" @click="switchTab('mine')">
          <text class="tab-text">我的</text>
        </view>
      </view>
    </view>

    <!-- ========== 我的内容 ========== -->
    <view v-if="currentTab === 'mine'" class="page-content mine-page">
      <!-- 蓝色个人信息区域 -->
      <view class="user-header">
        <view class="user-info">
          <view class="avatar-wrapper">
            <image class="avatar" :src="userInfo.avatar || '/static/default-avatar.png'" mode="aspectFill" />
          </view>
          <view class="user-detail">
            <text class="nickname">{{ userInfo.nickname || '未登录' }}</text>
            <text class="phone">{{ maskedPhone }}</text>
          </view>
        </view>
      </view>

      <!-- 菜单列表 -->
      <view class="content-area">
        <view class="menu-list">
          <view class="menu-item" v-for="(item, index) in menuList" :key="index" @click="handleMenuClick(item)">
            <text class="menu-text">{{ item.title }}</text>
            <text class="menu-arrow">></text>
          </view>
        </view>
      </view>

      <!-- 底部左右箭头导航条 -->
      <page-nav-bar
        :hasPrev="true"
        :hasNext="false"
        @prev="handleNavPrev"
        @next="handleNavNext"
      />

      <!-- 公众号二维码弹窗 -->
      <view v-if="showQrcodePopup" class="qrcode-popup-mask" @click="showQrcodePopup = false">
        <view class="qrcode-popup-content" @click.stop>
          <view class="qrcode-popup-title">关注公众号</view>
          <image class="qrcode-img" src="/static/qrcode.png" mode="aspectFit" />
          <view class="qrcode-popup-tip">扫码关注获取更多优惠信息</view>
          <view class="qrcode-popup-close" @click="showQrcodePopup = false">关闭</view>
        </view>
      </view>
    </view>
  </view>
</template>

<script>
import PageNavBar from '@/components/page-nav-bar/page-nav-bar.vue';

const API_BASE = 'http://localhost:4000';
const DEVICE_ID = 'A1036';
const BEARER_TOKEN = 'eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJ1c2VybmFtZSI6ImRlZXB2ZW5kaW5nIiwic3ViIjoiMTY0MDI0MTEyNiIsImZyb20iOiJwb3MiLCJyb2xlIjoicG9zIiwibWFpbmJvYXJkX2lkIjoiVDEwMDIiLCJwb3Nfc24iOiIxNjQwMjQxMTI2IiwiaWF0IjoxNzc3NTI5MjYzLCJleHAiOjE3NzgxMzQwNjN9.I7eL2oL2rmkaJKH4R6aylUloyJh0dUS3vXLvKueX28I';

export default {
  components: { PageNavBar },
  data() {
    return {
      currentTab: 'home',
      showQrcodePopup: false,
      loading: false,
      categoryList: [],
      activeCategory: 'all',
      userInfo: { nickname: '张三', phone: '13812345678' },
      menuList: [
        { title: '我的订单', action: 'order' },
        { title: '常见问题', action: 'faq' },
        { title: '联系客服', action: 'call' },
        { title: '公众号信息', action: 'qrcode' }
      ],
      servicePhone: '13264706088'
    };
  },
  computed: {
    maskedPhone() {
      const p = this.userInfo.phone;
      return p ? p.substring(0,3) + '****' + p.substring(7) : '';
    },
    // 全部商品：合并所有分类下的商品
    allProducts() {
      let all = [];
      this.categoryList.forEach(cat => {
        if (cat.products) all = all.concat(cat.products);
      });
      return all;
    },
    // 当前显示的商品列表（根据选中的分类 tab）
    displayProducts() {
      if (this.activeCategory === 'all') return this.allProducts;
      const cat = this.categoryList.find(c => c.category === this.activeCategory);
      return cat ? cat.products || [] : [];
    }
  },
  onLoad() {
    this.fetchProducts();
  },
  methods: {
    switchTab(tab) { this.currentTab = tab; },
    switchCategory(cat) { this.activeCategory = cat; },
    getDisplayPrice(item) {
      // 优先显示促销价，没有促销价则显示销售价
      if (item.promotion_price != null) return item.promotion_price;
      return item.sale_price;
    },
    goProductDetail(item) {
      uni.navigateTo({ url: '/pages/product/product?product_id=' + item.product_id });
    },
    async fetchProducts() {
      this.loading = true;
      try {
        const res = await uni.request({
          url: API_BASE + '/device-product/getProductList',
          method: 'GET',
          data: { device_id: DEVICE_ID },
          header: {
            Authorization: 'Bearer ' + BEARER_TOKEN
          }
        });
        const ret = res.data || {};
        if (ret.code === 0 && Array.isArray(ret.data)) {
          this.categoryList = ret.data;
        } else {
          uni.showToast({ title: ret.message || '获取商品失败', icon: 'none' });
        }
      } catch (e) {
        uni.showToast({ title: '网络请求失败', icon: 'none' });
      } finally {
        this.loading = false;
      }
    },
    handleOpenDoor() {
      uni.showModal({
        title: '开门',
        content: '确认打开柜门？',
        success: r => r.confirm && uni.showToast({ title: '柜门已打开', icon: 'success' })
      });
    },
    handleMenuClick(item) {
      switch (item.action) {
        case 'order':
          uni.navigateTo({ url: '/pages/order/order' });
          break;
        case 'faq':
          uni.navigateTo({ url: '/pages/faq/faq' });
          break;
        case 'call':
          uni.makePhoneCall({ phoneNumber: this.servicePhone, fail: () => {} });
          break;
        case 'qrcode':
          this.showQrcodePopup = true;
          break;
      }
    },
    handleNavPrev() { this.currentTab = 'home'; },
    handleNavNext() { uni.showToast({ title: '暂无下一页', icon: 'none' }); }
  }
};
</script>

<style scoped>
page { height: 100%; background-color: #fff; }
.app-container { display: flex; flex-direction: column; height: 100vh; background-color: #fff; }
.page-content { flex: 1; overflow: hidden; display: flex; flex-direction: column; position: relative; }

/* ====== 首页样式 ====== */
.home-page { display: flex; flex-direction: column; height: 100%; }
.product-area { flex: 1; overflow-y: auto; height: 0; }

/* 热销商品标题 + 装饰 */
.section-title-wrap { display: flex; align-items: center; padding: 24rpx 28rpx 16rpx; }
.section-title { font-size: 36rpx; font-weight: bold; color: #333; }
.title-decoration { display: flex; align-items: center; margin-left: 16rpx; }
.deco-dot { width: 12rpx; height: 12rpx; background: #ff6b6b; border-radius: 50%; }
.deco-line { width: 40rpx; height: 6rpx; background: linear-gradient(90deg, #ff6b6b, transparent); margin-left: 6rpx; border-radius: 3rpx; }

/* 分类 Tab 横向滚动 */
.category-tabs { white-space: nowrap; padding: 0 20rpx; border-bottom: 1rpx solid #f0f0f0; }
.tabs-inner { display: inline-flex; padding: 0 8rpx; }
.tab-item { display: inline-flex; flex-direction: column; align-items: center; padding: 20rpx 24rpx; position: relative; }
.tab-text { font-size: 28rpx; color: #666; transition: color 0.2s; }
.tab-item.active .tab-text { color: #2979ff; font-weight: bold; }
.tab-underline { position: absolute; bottom: 0; left: 50%; transform: translateX(-50%); width: 0; height: 4rpx; background: #2979ff; border-radius: 2rpx; transition: width 0.2s; }
.tab-item.active .tab-underline { width: 48rpx; }

/* 商品网格 */
.product-grid { display: flex; flex-wrap: wrap; padding: 12rpx; gap: 12rpx; }
.product-card { width: calc((100% - 24rpx) / 3); text-align: center; }
.product-img { width: 100%; height: 220rpx; border-radius: 8rpx; background-color: #f0f0f0; }
.product-name { font-size: 24rpx; color: #333; padding: 10rpx 8rpx 6rpx; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.product-price { font-size: 30rpx; font-weight: bold; color: #e4393c; padding: 0 8rpx 16rpx; }
.price-yen { font-size: 22rpx; }
.price-num { font-size: 32rpx; }

/* 底部占位 */
.bottom-spacer { height: 160rpx; }

/* 底部导航栏 */
.tab-bar { position: absolute; bottom: 0; left: 0; right: 0; height: 120rpx; background: #fff; display: flex; align-items: center; justify-content: space-around; box-shadow: 0 -2rpx 16rpx rgba(0,0,0,0.08); z-index: 999; padding-bottom: constant(safe-area-inset-bottom); padding-bottom: env(safe-area-inset-bottom); }
.tab-bar .tab-item { flex: 1; display: flex; align-items: center; justify-content: center; height: 100%; }
.tab-bar .tab-text { font-size: 28rpx; color: #999; font-weight: normal; }
.tab-bar .tab-item.active .tab-text { color: #2979ff; }
.door-btn-wrapper { position: relative; display: flex; align-items: center; justify-content: center; margin-top: -80rpx; }
.door-btn { width: 160rpx; height: 160rpx; border-radius: 50%; background: linear-gradient(135deg, #2979ff, #1e60e0); color: #fff; font-size: 38rpx; font-weight: bold; display: flex; align-items: center; justify-content: center; box-shadow: 0 10rpx 36rpx rgba(41,121,255,0.55); }

/* 空状态 / Loading */
.empty-tip, .loading-tip { text-align: center; padding: 60rpx; color: #999; font-size: 28rpx; }

/* ====== 我的页面样式 ====== */
.mine-page { background-color: #f5f5f5; position: relative; overflow-y: auto; }
.user-header { background: linear-gradient(135deg, #2979ff, #1e60e0); padding: 60rpx 40rpx; }
.user-info { display: flex; align-items: center; }
.avatar { width: 120rpx; height: 120rpx; border-radius: 50%; border: 4rpx solid rgba(255,255,255,0.8); background-color: #e0e0e0; }
.avatar-wrapper { margin-right: 30rpx; }
.user-detail { display: flex; flex-direction: column; flex: 1; }
.nickname { font-size: 36rpx; font-weight: bold; color: #fff; margin-bottom: 12rpx; }
.phone { font-size: 28rpx; color: rgba(255,255,255,0.9); }
.content-area { padding: 20rpx; padding-bottom: 140rpx; }
.menu-list { background-color: #fff; border-radius: 16rpx; overflow: hidden; }
.menu-item { display: flex; justify-content: space-between; padding: 32rpx 28rpx; border-bottom: 1rpx solid #f0f0f0; }
.menu-item:last-child { border-bottom: none; }
.menu-text { font-size: 30rpx; color: #333; }
.menu-arrow { font-size: 28rpx; color: #ccc; }

/* ====== 公众号二维码弹窗 ====== */
.qrcode-popup-mask {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.55);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
}
.qrcode-popup-content {
  width: 560rpx;
  background: #fff;
  border-radius: 20rpx;
  padding: 48rpx 40rpx;
  display: flex;
  flex-direction: column;
  align-items: center;
}
.qrcode-popup-title {
  font-size: 34rpx;
  font-weight: bold;
  color: #333;
  margin-bottom: 32rpx;
}
.qrcode-img {
  width: 400rpx;
  height: 400rpx;
  margin-bottom: 24rpx;
}
.qrcode-popup-tip {
  font-size: 26rpx;
  color: #999;
  margin-bottom: 32rpx;
}
.qrcode-popup-close {
  font-size: 28rpx;
  color: #2979ff;
  padding: 16rpx 60rpx;
  border: 2rpx solid #2979ff;
  border-radius: 40rpx;
}
</style>