<template>
  <view class="app-container">
    <!-- 商品展示区域 -->
    <scroll-view class="product-area" scroll-y>
      <!-- 标题 -->
      <view class="section-title">热销商品</view>

      <!-- 商品列表 - 三列 -->
      <view class="product-grid">
        <view
          v-for="(item, index) in productList"
          :key="index"
          class="product-card"
        >
          <image class="product-img" :src="item.image" mode="aspectFill" />
          <view class="product-name">{{ item.name }}</view>
          <view class="product-price">{{ item.price }}元</view>
        </view>
      </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>

      <!-- 开门按钮 - 圆形凸起 -->
      <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>
</template>

<script>
export default {
  data() {
    return {
      currentTab: 'home',
      productList: [
        { name: '君乐宝450ml悦鲜活', price: '0.01', image: '/static/c1.png' },
        { name: '白红（0.0.0.0-9.9.9）', price: '0.06', image: '/static/c2.png' },
        { name: '白桔（0.0.0.0-5.5.5）', price: '0.05', image: '/static/c3.png' },
        { name: '可口可乐330ml', price: '3.00', image: '/static/c4.png' },
        { name: '农夫山泉550ml', price: '2.00', image: '/static/c5.png' },
        { name: '乐事薯片原味75g', price: '7.50', image: '/static/c6.png' }
      ]
    };
  },
  methods: {
    switchTab(tab) {
      this.currentTab = tab;
    },
    handleOpenDoor() {
      uni.showModal({
        title: '开门',
        content: '确认打开柜门？',
        success: (res) => {
          if (res.confirm) {
            uni.showToast({ title: '柜门已打开', icon: 'success' });
          }
        }
      });
    }
  }
};
</script>

<style scoped>
.app-container {
  display: flex;
  flex-direction: column;
  height: 100vh;
  background-color: #f5f5f5;
}

/* ========== 商品区域 ========== */
.product-area {
  flex: 1;
  padding-bottom: 160rpx;
}

/* 热销商品标题 */
.section-title {
  font-size: 36rpx;
  font-weight: bold;
  color: #333;
  padding: 24rpx 28rpx 16rpx;
  background-color: #fff;
}

/* 三列网格 */
.product-grid {
  display: flex;
  flex-wrap: wrap;
  padding: 12rpx;
  gap: 12rpx;
  background-color: #fff;
}

/* 每列占1/3 */
.product-card {
  width: calc((100% - 24rpx) / 3);
  background: transparent;
  border-radius: 8rpx;
  overflow: hidden;
  text-align: center; /* 居中 */
}

.product-img {
  width: 100%;
  height: 220rpx;
  display: block;
  border-radius: 8rpx;
  background-color: #f0f0f0;
}

/* 商品名称：居中 + 单行超出省略 */
.product-name {
  font-size: 24rpx;
  color: #333;
  padding: 10rpx 8rpx 6rpx;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  line-height: 1.3;
  text-align: center;
}

/* 价格：红色加粗 + 居中 */
.product-price {
  font-size: 30rpx;
  font-weight: bold;
  color: #e4393c;
  padding: 0 8rpx 16rpx;
  text-align: center;
}

/* ========== 底部导航栏 ========== */
.tab-bar {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  height: 120rpx;
  background: #ffffff;
  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-item {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100%;
}

.tab-text {
  font-size: 28rpx; /* 变小一点 */
  color: #999;
  font-weight: normal; /* 不加粗 */
}

.tab-item.active .tab-text {
  color: #2979ff;
}

/* ========== 开门按钮 - 更大、更高 ========== */
.door-btn-wrapper {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: -80rpx; /* 更往上凸起 */
}

.door-btn {
  width: 160rpx;   /* 更大的圆 */
  height: 160rpx;
  border-radius: 50%;
  background: linear-gradient(135deg, #2979ff, #1e60e0);
  color: #fff;
  font-size: 38rpx;  /* 更大的字 */
  font-weight: bold;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 10rpx 36rpx rgba(41, 121, 255, 0.55);
}
</style>