mp-pilates/packages/app/src/components/FlashSaleSection.vue

<template>
  <view v-if="flashSales.length" class="flash-sale-section">
    <!-- Section header -->
    <view class="section-header">
      <view class="header-left">
        <view class="flash-icon-wrap">
          <view class="flash-icon-clock" />
        </view>
        <text class="section-title">限时秒杀</text>
        <view v-if="hasOngoing" class="live-dot" />
      </view>
    </view>

    <!-- Horizontal scroll cards -->
    <scroll-view
      scroll-x
      :show-scrollbar="false"
      class="flash-scroll"
    >
      <view class="flash-card-list">
        <view
          v-for="sale in flashSales"
          :key="sale.id"
          class="flash-card"
          :class="cardPhaseClass(sale.phase)"
          @tap="goToDetail(sale.id)"
        >
          <!-- Top gradient band -->
          <view class="card-top">
            <!-- Phase badge -->
            <view class="phase-badge" :class="badgeClass(sale.phase)">
              <text class="phase-badge-text">{{ phaseLabel(sale.phase) }}</text>
            </view>

            <!-- Countdown / status text -->
            <view class="countdown-row">
              <text v-if="sale.phase === FlashSalePhase.UPCOMING" class="countdown-label">距开始</text>
              <text v-else-if="sale.phase === FlashSalePhase.ONGOING" class="countdown-label">剩余</text>
              <view v-if="sale.phase === FlashSalePhase.UPCOMING || sale.phase === FlashSalePhase.ONGOING" class="countdown-blocks">
                <text class="cd-block">{{ getSaleCountdown(sale).h }}</text>
                <text class="cd-sep">:</text>
                <text class="cd-block">{{ getSaleCountdown(sale).m }}</text>
                <text class="cd-sep">:</text>
                <text class="cd-block">{{ getSaleCountdown(sale).s }}</text>
              </view>
            </view>
          </view>

          <!-- Card body -->
          <view class="card-body">
            <text class="card-title">{{ sale.title }}</text>
            <text class="card-type-name">{{ sale.cardType.name }}</text>

            <!-- Price area -->
            <view class="price-area">
              <view class="flash-price-row">
                <text class="flash-currency">¥</text>
                <text class="flash-price">{{ formatPrice(sale.flashPrice) }}</text>
              </view>
              <text class="original-price">¥{{ formatPrice(sale.originalPrice) }}</text>
            </view>

            <!-- Stock progress -->
            <view class="stock-area">
              <view class="stock-bar">
                <view
                  class="stock-fill"
                  :class="{ 'stock-fill--hot': getStockRatio(sale.soldCount, sale.totalStock) > 0.6 }"
                  :style="{ width: stockPercent(sale) }"
                />
              </view>
              <text class="stock-text">
                {{ sale.phase === FlashSalePhase.SOLD_OUT ? '已售罄' : `剩 ${sale.remainingStock}/${sale.totalStock}` }}
              </text>
            </view>
          </view>
        </view>
      </view>
    </scroll-view>
  </view>
</template>

<script setup lang="ts">
import { ref, computed, onMounted, onUnmounted } from 'vue'
import { FlashSalePhase } from '@mp-pilates/shared'
import type { FlashSaleListItem } from '@mp-pilates/shared'
import { formatPrice, getFlashSalePhaseLabel, getCountdownParts, getStockRatio, getStockPercent } from '../utils/format'
import { get } from '../utils/request'

const flashSales = ref<FlashSaleListItem[]>([])
const tick = ref(0)

let timer: ReturnType<typeof setInterval> | null = null

const hasOngoing = computed(() =>
  flashSales.value.some((s) => s.phase === FlashSalePhase.ONGOING),
)

async function fetchFlashSales() {
  try {
    const data = await get<FlashSaleListItem[]>('/flash-sales')
    flashSales.value = [...data]
  } catch {
    flashSales.value = []
  }
}

// Expose for parent page refresh
defineExpose({ fetchFlashSales })

function phaseLabel(phase: FlashSalePhase): string {
  return getFlashSalePhaseLabel(phase)
}

function cardPhaseClass(phase: FlashSalePhase): string {
  if (phase === FlashSalePhase.ONGOING) return 'card--ongoing'
  if (phase === FlashSalePhase.UPCOMING) return 'card--upcoming'
  if (phase === FlashSalePhase.SOLD_OUT) return 'card--soldout'
  return 'card--ended'
}

function badgeClass(phase: FlashSalePhase): string {
  if (phase === FlashSalePhase.ONGOING) return 'badge--ongoing'
  if (phase === FlashSalePhase.UPCOMING) return 'badge--upcoming'
  return 'badge--inactive'
}

function stockPercent(sale: FlashSaleListItem): string {
  return getStockPercent(sale.soldCount, sale.totalStock)
}

function getSaleCountdown(sale: FlashSaleListItem) {
  void tick.value
  const target = sale.phase === FlashSalePhase.UPCOMING ? sale.startTime : sale.endTime
  return getCountdownParts(target)
}

function goToDetail(id: string) {
  uni.navigateTo({ url: `/pages/flash-sale/detail?id=${id}` })
}

onMounted(() => {
  fetchFlashSales()
  timer = setInterval(() => {
    tick.value++
  }, 1000)
})

onUnmounted(() => {
  if (timer) {
    clearInterval(timer)
    timer = null
  }
})
</script>

<style lang="scss" scoped>
.flash-sale-section {
  background: #fff;
  margin: 16rpx 24rpx 0;
  padding-bottom: 24rpx;
  border-radius: 20rpx;
  overflow: hidden;
  box-shadow: 0 2rpx 12rpx rgba(0, 0, 0, 0.05);
}

/* ── Section header ── */
.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 28rpx 32rpx 16rpx;
}

.header-left {
  display: flex;
  align-items: center;
  gap: 12rpx;
}

.flash-icon-wrap {
  width: 44rpx;
  height: 44rpx;
  border-radius: 12rpx;
  background: linear-gradient(135deg, #D4A59A, #C08B7E);
  display: flex;
  align-items: center;
  justify-content: center;
}

/* CSS-drawn clock icon */
.flash-icon-clock {
  width: 24rpx;
  height: 24rpx;
  border: 3rpx solid #fff;
  border-radius: 50%;
  position: relative;

  &::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 2rpx;
    height: 9rpx;
    background: #fff;
    transform-origin: bottom center;
    transform: translate(-50%, -100%) rotate(0deg);
    border-radius: 1rpx;
  }

  &::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 2rpx;
    height: 7rpx;
    background: #fff;
    transform-origin: bottom center;
    transform: translate(-50%, -100%) rotate(90deg);
    border-radius: 1rpx;
  }
}

.section-title {
  font-size: 36rpx;
  font-weight: 700;
  color: #222;
}

.live-dot {
  width: 12rpx;
  height: 12rpx;
  border-radius: 50%;
  background: #C08B7E;
  animation: pulse 1.5s ease infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(0.8); }
}

/* ── Horizontal scroll ── */
.flash-scroll {
  padding-left: 32rpx;
  white-space: nowrap;
}

.flash-card-list {
  display: inline-flex;
  gap: 20rpx;
  padding-right: 32rpx;
}

/* ── Flash card ── */
.flash-card {
  width: 340rpx;
  border-radius: 20rpx;
  overflow: hidden;
  flex-shrink: 0;
  display: inline-flex;
  flex-direction: column;
  box-shadow: 0 4rpx 20rpx rgba(192, 139, 126, 0.18);
  white-space: normal;
}

.card--ongoing { box-shadow: 0 6rpx 28rpx rgba(192, 139, 126, 0.28); }
.card--upcoming { opacity: 0.95; }
.card--soldout { opacity: 0.7; }
.card--ended { opacity: 0.5; }

/* Card top gradient — warm blush tones */
.card-top {
  padding: 20rpx 20rpx 16rpx;
  background: linear-gradient(135deg, #D4A59A 0%, #C9948A 40%, #B5836E 100%);
  display: flex;
  flex-direction: column;
  gap: 10rpx;
}

.card--upcoming .card-top {
  background: linear-gradient(135deg, #8FA89A 0%, #7BA5A0 100%);
}

.card--soldout .card-top,
.card--ended .card-top {
  background: linear-gradient(135deg, #C4BAB0, #AEA49A);
}

/* Phase badge */
.phase-badge {
  align-self: flex-start;
  padding: 4rpx 14rpx;
  border-radius: 12rpx;
}

.badge--ongoing { background: rgba(255, 255, 255, 0.3); }
.badge--upcoming { background: rgba(255, 255, 255, 0.25); }
.badge--inactive { background: rgba(0, 0, 0, 0.1); }

.phase-badge-text {
  font-size: 20rpx;
  font-weight: 600;
  color: #fff;
}

/* Countdown */
.countdown-row {
  display: flex;
  align-items: center;
  gap: 8rpx;
}

.countdown-label {
  font-size: 20rpx;
  color: rgba(255, 255, 255, 0.85);
}

.countdown-blocks {
  display: flex;
  align-items: center;
  gap: 4rpx;
}

.cd-block {
  background: rgba(255, 255, 255, 0.25);
  color: #fff;
  font-size: 22rpx;
  font-weight: 700;
  padding: 4rpx 8rpx;
  border-radius: 6rpx;
  font-family: 'DIN Alternate', monospace;
  min-width: 36rpx;
  text-align: center;
  backdrop-filter: blur(4px);
}

.cd-sep {
  color: rgba(255, 255, 255, 0.75);
  font-size: 20rpx;
  font-weight: 700;
}

/* Card body */
.card-body {
  padding: 20rpx;
  background: #fff;
  display: flex;
  flex-direction: column;
  gap: 8rpx;
}

.card-title {
  font-size: 28rpx;
  font-weight: 700;
  color: $text-primary;
  line-height: 1.3;
  display: -webkit-box;
  -webkit-line-clamp: 1;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.card-type-name {
  font-size: 22rpx;
  color: $text-hint;
}

/* Price area */
.price-area {
  display: flex;
  align-items: baseline;
  gap: 12rpx;
  margin-top: 4rpx;
}

.flash-price-row {
  display: flex;
  align-items: baseline;
}

.flash-currency {
  font-size: 22rpx;
  font-weight: 700;
  color: #B5725E;
}

.flash-price {
  font-size: 40rpx;
  font-weight: 800;
  color: #B5725E;
  line-height: 1;
}

.original-price {
  font-size: 22rpx;
  color: #ccc;
  text-decoration: line-through;
}

/* Stock area */
.stock-area {
  display: flex;
  flex-direction: column;
  gap: 6rpx;
  margin-top: 8rpx;
}

.stock-bar {
  height: 10rpx;
  background: #f5f0ed;
  border-radius: 5rpx;
  overflow: hidden;
}

.stock-fill {
  height: 100%;
  background: linear-gradient(90deg, #D4A59A, #C08B7E);
  border-radius: 5rpx;
  transition: width 0.3s;

  &--hot {
    animation: stockPulse 2s ease infinite;
  }
}

@keyframes stockPulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.7; }
}

.stock-text {
  font-size: 20rpx;
  color: $text-hint;
}
</style>