<template>
    <!-- 礼物购买页面 -->
  <view class="gift-purchase-page">
    <!-- 顶部导航栏 -->
    <navbar title="礼物购买" leftClick @leftClick="$utils.navigateBack" />

    <!-- 礼物购买卡片 -->
    <view class="card gift-card">
      <view class="card-title">礼物购买</view>
      <view class="form-row">
        <view class="form-label">礼物名称</view>
        <view class="form-value">{{ giftName }}</view>
      </view>
      <view class="divider"></view>
      <view class="form-row">
        <view class="form-label required"><text class="star">*</text> 购买数量</view>
        <input class="form-input" placeholder="请输入数量" v-model="buyCount" type="number" :placeholder-style="'color:#bbb;'" :style="buyCount ? 'color:#222;' : ''" />
      </view>
      <view class="divider"></view>
      <view class="form-row">
        <view class="form-label">支付方式</view>
      </view>
      <view class="form-row">
        <view class="balance">账户余额：<text class="bean">{{ balance }} 豆豆</text></view>
      </view>
    </view>

    <!-- 订单信息卡片 -->
    <view class="card order-card">
      <view class="order-title">订单信息</view>
      <view class="row">
        <view class="order-content">内容</view>
      </view>
      <view class="row total-row">
        <view class="order-total-label">合计：</view>
        <view class="order-total"><text class="order-total-highlight">{{ totalPrice.toFixed(2) }}</text> 元</view>
      </view>
      <view class="order-divider"></view>
    </view>

    <!-- 提示信息 -->
    <view class="tip-text">
      请仔细核查并确认相关信息。因用户个人疏忽导致的充值错误，需由用户自行承担。一旦完成充值，概不退换。
    </view>

    <!-- 底部购买按钮 -->
    <view class="footer-bar">
      <button class="buy-btn" @click="handleBuy">购买</button>
    </view>
  </view>
</template>

<script>
export default {
  data() {
    return {
      giftName: '小星星',
      price: 0.1, // 单价
      buyCount: '',
      balance: 0, // 账户余额
    }
  },
  computed: {
    totalPrice() {
      const count = parseInt(this.buyCount, 10)
      return isNaN(count) ? 0 : count * this.price
    }
  },
  onLoad(query) {
    // 支持通过路由参数动态显示礼物信息
    if (query.name) this.giftName = decodeURIComponent(query.name)
    if (query.price) this.price = Number(query.price)
    if (query.count) this.buyCount = query.count
  },
  methods: {
    handleBuy() {
      if (!this.buyCount || parseInt(this.buyCount, 10) <= 0) {
        uni.showToast({ title: '请输入购买数量', icon: 'none' })
        return
      }
      // 这里可添加余额校验和购买逻辑
      uni.showToast({ title: `成功购买${this.buyCount}个${this.giftName}`, icon: 'success' })
    }
  }
}
</script>

<style scoped lang="scss">
.gift-purchase-page {
  min-height: 100vh;
  background: #f8f8f8;
  padding-bottom: 120rpx;
}
.card {
  background: #fff;
  border-radius: 18rpx;
  margin: 24rpx 16rpx 0 16rpx;
  padding: 24rpx 24rpx 10rpx 24rpx;
  box-shadow: 0 2rpx 8rpx rgba(0,0,0,0.03);
}
.card-title {
  font-size: 24rpx;
  font-weight: bold;
  color: #222;
  margin-bottom: 18rpx;
}
.row {
  display: flex;
  align-items: center;
  margin-bottom: 16rpx;
}
.label {
  color: #888;
  font-size: 26rpx;
  width: 160rpx;
}
.label.required {
  color: #222;
  font-weight: 500;
}
.value {
  color: #222;
  font-size: 26rpx;
}
.input {
  flex: 1;
  border: none;
  border-bottom: 1rpx solid #eee;
  font-size: 26rpx;
  padding: 8rpx 0;
  background: transparent;
  outline: none;
}
.order-card {
  border-radius: 20px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.04);
  padding: 24px 20px 16px 20px;
  margin: 16px;
  position: relative;
}
.order-title {
  font-size: 18px;
  font-weight: bold;
  color: #222;
  margin-bottom: 12px;
}
.order-content {
  color: #bbb;
  font-size: 15px;
  margin-bottom: 8px;
}
.row.total-row {
  display: flex;
  align-items: center;
  margin-bottom: 0;
}
.order-total-label {
  color: #222;
  font-size: 18px;
  font-weight: 500;
}
.order-total {
  color: #222;
  font-size: 18px;
  font-weight: 500;
  margin-left: 8px;
}
.order-total-highlight {
  color: #ff7e00;
  font-size: 18px;
  font-weight: bold;
  margin: 0 2px;
}
.order-divider {
  width: 100%;
  height: 1px;
  background: #f2f2f2;
  margin-top: 16px;
}
.tip-text {
  color: #bbb;
  font-size: 22rpx;
  margin: 32rpx 32rpx 0 32rpx;
  line-height: 1.6;
}
.footer-bar {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 90rpx;
  background: #fff;
  padding: 24rpx 32rpx 32rpx 32rpx;
  box-shadow: 0 -2rpx 10rpx rgba(0,0,0,0.05);
  z-index: 10;
}
.buy-btn {
  width: 100%;
  background: #223a7a;
  color: #fff;
  font-size: 32rpx;
  border-radius: 32rpx;
  height: 88rpx;
  line-height: 88rpx;
  border: none;
  font-weight: 500;
}
.card.gift-card {
  border-radius: 20px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.04);
  padding: 24px 20px 16px 20px;
  margin: 16px;
  position: relative;
}
.card-title {
  font-size: 18px;
  font-weight: bold;
  color: #222;
  margin-bottom: 12px;
}
.form-row {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  min-height: 36px;
  padding: 0;
  margin-top: 5rpx;
 
}
.form-label {
  color: #888;
  font-size: 14px;
  margin-bottom: 9px;
  font-weight: 400;
  margin-top: 5px;
  
}
.form-label.required {
  color: #222;
  font-weight: 500;
  display: flex;
  align-items: center;
}
.star {
  color: #e94f7a;
  margin-right: 2px;
  font-size: 16px;
}
.form-value {
  color: #0e0e0e;
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 2px;
}
.form-input {
  flex: 1;
  border: none;
  background: transparent;
  font-size: 14px;
  outline: none;
  padding: 0;
  color: #222;
}
.divider {
  height: 1px;
  background: #f2f2f2;
  margin: 0 0 0 0;
  border: none;
}
.balance {
  color: #0e0e0e;
  font-size: 14px;
  margin: 0 0 8px 0;
}
.bean {
  color: #222;
  font-weight: 600;
}
</style>
