vending-machine/mobile/pages/coupons/coupons.vue

<template>
  <view class="coupons-page">
    <!-- 自定义导航栏 -->
    <view class="custom-nav" :style="{ paddingTop: statusBarHeight + 'px' }">
      <view class="nav-inner">
        <view class="nav-back" @click="goBack">
          <image class="back-icon" src="/static/ic_back2.png" mode="aspectFit" />
        </view>
        <text class="nav-title">{{ t('coupons.title') }}</text>
        <view class="nav-placeholder" />
      </view>
    </view>

    <!-- 页面内容 -->
    <view :style="{ paddingTop: (statusBarHeight + 44) + 'px' }">
      <!-- Tab切换 -->
      <view class="tab-bar">
        <view
          v-for="tab in tabs"
          :key="tab.value"
          class="tab-item"
          :class="{ active: currentTab === tab.value }"
          @click="switchTab(tab.value)"
        >
          <text class="tab-text">{{ t(tab.label) }}</text>
          <view v-if="currentTab === tab.value" class="tab-line" />
        </view>
      </view>

      <!-- 优惠券列表 -->
      <view class="coupon-list">
        <view
          v-for="coupon in coupons"
          :key="coupon.couponId"
          class="coupon-card"
        >
          <image
            class="coupon-bg"
            :src="currentTab === 'available' ? '/static/ic_coupon_bg.png' : '/static/ic_coupon_used_bg.png'"
            mode="aspectFill"
          />
          <view class="coupon-inner">
            <view class="coupon-info">
              <text class="coupon-name">{{ coupon.name }}</text>
              <view class="coupon-detail-row">
                <text class="coupon-dot">●</text>
                <text class="coupon-detail-label">{{ t('couponCard.expireLabel') }}</text>
                <text class="coupon-detail-value highlight">{{ formatExpire(coupon.expireAt) }}</text>
              </view>
              <view class="coupon-detail-row">
                <text class="coupon-dot">●</text>
                <text class="coupon-detail-label">{{ t('couponCard.conditionLabel') }}</text>
                <text class="coupon-detail-value highlight">{{ coupon.pointsCost ?? 0 }}{{ t('couponCard.pointsUnit') }}</text>
              </view>
            </view>
            <view class="coupon-action" v-if="currentTab === 'available'">
              <view class="redeem-btn" @click="onUse(coupon)">
                <text class="redeem-btn-text">{{ t('couponCard.redeemBtn') }}</text>
              </view>
            </view>
          </view>
        </view>

        <!-- 空状态 -->
        <EmptyState v-if="!loading && coupons.length === 0" text="暂无优惠券" />
      </view>
    </view>
  </view>
</template>

<script setup>
import { ref } from 'vue'
import { useI18n } from 'vue-i18n'
import { getMyCoupons } from '../../api/coupon.js'
import EmptyState from '../../components/EmptyState.vue'

const { t } = useI18n()

// 状态栏高度
const statusBarHeight = ref(0)
try {
  const sysInfo = uni.getSystemInfoSync()
  statusBarHeight.value = sysInfo.statusBarHeight || 0
} catch (e) {}

// Tab配置
const tabs = [
  { label: 'coupons.availableTab', value: 'available' },
  { label: 'coupons.usedTab', value: 'used' },
  { label: 'coupons.expiredTab', value: 'expired' }
]

const currentTab = ref('available')
const coupons = ref([])
const loading = ref(false)

// 返回上一页
function goBack() {
  uni.navigateBack()
}

// 加载优惠券列表
async function loadCoupons() {
  loading.value = true
  try {
    const res = await getMyCoupons(currentTab.value)
    coupons.value = res.data || []
  } catch (e) {
    // 错误已统一处理
  } finally {
    loading.value = false
  }
}

// 切换Tab
function switchTab(tab) {
  if (currentTab.value === tab) return
  currentTab.value = tab
  coupons.value = []
  loadCoupons()
}

// 格式化到期时间
function formatExpire(dateStr) {
  if (!dateStr) return t('couponCard.noLimit')
  const d = new Date(dateStr)
  return `${d.getFullYear()}年${d.getMonth() + 1}月${d.getDate()}日`
}

// 使用优惠券
function onUse(coupon) {
  uni.showToast({ title: '请在购买时使用', icon: 'none' })
}

// 初始加载
loadCoupons()
</script>

<style scoped>
.coupons-page {
  min-height: 100vh;
  background-color: #f5f0e8;
}

/* 自定义导航栏 */
.custom-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background-color: #DBDBDB;
}
.nav-inner {
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24rpx;
}
.nav-back {
  width: 60rpx;
  height: 44px;
  display: flex;
  align-items: center;
}
.back-icon {
  width: 40rpx;
  height: 40rpx;
}
.nav-title {
  font-size: 34rpx;
  font-weight: 600;
  color: #333;
}
.nav-placeholder {
  width: 60rpx;
}

/* Tab栏 */
.tab-bar {
  display: flex;
  background-color: #ffffff;
}
.tab-item {
  flex: 1;
  height: 88rpx;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  position: relative;
}
.tab-text {
  font-size: 28rpx;
  color: #999;
}
.tab-item.active .tab-text {
  color: #333;
  font-weight: 500;
}
.tab-line {
  position: absolute;
  bottom: 0;
  width: 48rpx;
  height: 6rpx;
  background-color: #333;
  border-radius: 3rpx;
}

/* 优惠券列表 */
.coupon-list {
  padding: 24rpx 24rpx;
}
.coupon-card {
  position: relative;
  margin-bottom: 20rpx;
  border-radius: 20rpx;
  overflow: hidden;
}
.coupon-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}
.coupon-inner {
  position: relative;
  z-index: 1;
  padding: 32rpx;
  display: flex;
  flex-direction: column;
  min-height: 240rpx;
}
.coupon-info {
  flex: 1;
}
.coupon-name {
  font-size: 34rpx;
  color: #333;
  font-weight: 600;
  display: block;
  margin-left: 28rpx;
  margin-bottom: 16rpx;
}
.coupon-detail-row {
  display: flex;
  align-items: center;
  margin-left: 28rpx;
  margin-bottom: 8rpx;
}
.coupon-dot {
  font-size: 14rpx;
  color: #D9DED7;
  margin-right: 10rpx;
}
.coupon-detail-label {
  font-size: 24rpx;
  color: #666;
}
.coupon-detail-value {
  font-size: 24rpx;
  color: #666;
}
.coupon-detail-value.highlight {
  color: #c9a96e;
  font-weight: 500;
}

/* 兑换按钮 */
.coupon-action {
  display: flex;
  justify-content: flex-end;
  margin-top: 16rpx;
}
.redeem-btn {
  background: linear-gradient(135deg, #d4a855, #c9a96e);
  border-radius: 28rpx;
  width: 172rpx;
  height: 80rpx;
  display: flex;
  align-items: center;
  justify-content: center;
}
.redeem-btn-text {
  font-size: 28rpx;
  color: #ffffff;
  white-space: nowrap;
}
</style>