vmall/apps/mall/pages/checkout/pay.vue

<script setup lang="ts">
import { t as pick } from "@vmall/shared";
import type { Order } from "@vmall/shared";
import { storeById } from "~/mock/data";

definePageMeta({ middleware: "auth" });

const { $api } = useNuxtApp();
const { locale, t } = useI18n();
const { currency } = usePrefs();
const router = useRouter();
const pendingOrderIds = useState<string[]>("checkout-orders", () => []);

const orders = ref<Order[]>([]);
const paymentMethod = ref("balance");
const loading = ref(true);
const paying = ref(false);
const error = ref("");

const stepLabels = computed(() => [
  t("checkout.steps.cart"),
  t("checkout.steps.order"),
  t("checkout.steps.payment"),
  t("checkout.steps.complete"),
]);

const paymentOptions = computed(() => [
  { value: "balance", label: t("checkout.balance") },
  { value: "wechat", label: t("checkout.wechat") },
  { value: "alipay", label: t("checkout.alipay") },
]);

const grandTotalMinor = computed(() => orders.value.reduce((total, order) => total + order.total_minor, 0));
const totalCurrency = computed(() => orders.value[0]?.currency ?? currency.value);

function imageFor(image: string | null): string {
  return image ?? "/mock/product-1.svg";
}

function storeName(shopId: string): string {
  const store = storeById(shopId);
  return store ? pick(store.name, locale.value) : t("checkout.shop");
}

async function loadOrders(): Promise<void> {
  loading.value = true;
  error.value = "";
  if (pendingOrderIds.value.length === 0) {
    loading.value = false;
    return;
  }
  try {
    orders.value = await Promise.all(pendingOrderIds.value.map((id) => $api.getOrder(id)));
  } catch {
    orders.value = [];
    error.value = t("checkout.loadError");
  } finally {
    loading.value = false;
  }
}

async function confirmPayment(): Promise<void> {
  if (orders.value.length === 0) return;
  paying.value = true;
  error.value = "";
  try {
    for (const order of orders.value) await $api.payOrder(order.id);
    pendingOrderIds.value = [];
    await router.push("/checkout/success");
  } catch {
    error.value = t("checkout.payError");
  } finally {
    paying.value = false;
  }
}

onMounted(() => void loadOrders());
</script>

<template>
  <div class="transaction-page pay-page">
    <div class="w1200">
      <UiStepBar :steps="stepLabels" :active="2" />
      <header class="page-heading">
        <h1>{{ t("checkout.payTitle") }}</h1>
      </header>

      <p v-if="error" class="error-message">{{ error }}</p>
      <template v-if="!loading && orders.length > 0">
        <section class="order-cards">
          <article v-for="order in orders" :key="order.id" class="mpanel order-card">
            <header class="order-heading">
              <span>{{ t("checkout.orderNo") }}: {{ order.order_no }}</span>
              <span class="shop-name">{{ storeName(order.shop_id) }}</span>
            </header>
            <div v-for="item in order.items" :key="item.id" class="order-item">
              <img :src="imageFor(item.image)" :alt="pick(item.product_name, locale)" />
              <div class="item-info">
                <strong>{{ pick(item.product_name, locale) }}</strong>
                <span class="muted">{{ item.sku_code }}</span>
              </div>
              <PriceText :amount-minor="item.unit_price_minor" :currency="order.currency" />
              <span class="qty">× {{ item.qty }}</span>
              <strong class="line-total">
                <PriceText :amount-minor="item.unit_price_minor * item.qty" :currency="order.currency" />
              </strong>
            </div>
            <footer class="order-total">
              <span>{{ t("checkout.total") }}</span>
              <strong><PriceText :amount-minor="order.total_minor" :currency="order.currency" /></strong>
            </footer>
          </article>
        </section>

        <section class="mpanel payment-panel">
          <h2 class="section-title">{{ t("checkout.paymentTitle") }}</h2>
          <label v-for="option in paymentOptions" :key="option.value" class="payment-option">
            <input v-model="paymentMethod" type="radio" name="payment-method" :value="option.value" />
            <span>{{ option.label }}</span>
          </label>
        </section>

        <footer class="submit-bar mpanel">
          <span class="total-label">{{ t("checkout.grandTotal") }}:</span>
          <strong class="total-price"><PriceText :amount-minor="grandTotalMinor" :currency="totalCurrency" /></strong>
          <button class="mbtn red" type="button" :disabled="paying" @click="confirmPayment">
            {{ t("checkout.confirmPay") }}
          </button>
        </footer>
      </template>
      <div v-else-if="!loading" class="empty-wrap mpanel">
        <UiEmptyState :text="t('checkout.noPendingOrders')" />
        <NuxtLink class="mbtn gray" to="/">{{ t("checkout.backHome") }}</NuxtLink>
      </div>
      <div v-else class="loading-state">{{ $t("common.loading") }}</div>
    </div>
  </div>
</template>

<style scoped>
.transaction-page {
  padding: 24px 0 56px;
  background: #f5f5f5;
  min-height: 60vh;
}
.page-heading {
  margin: 0 0 16px;
}
.page-heading h1 {
  margin: 0;
  font-size: 20px;
  font-weight: 500;
}
.error-message {
  margin: 0 0 16px;
  padding: 10px 14px;
  color: #b42318;
  background: #fff1f0;
  border: 1px solid #ffd6d2;
}
.order-card {
  padding: 0;
  overflow: hidden;
}
.order-card + .order-card {
  margin-top: 16px;
}
.order-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 18px;
  border-bottom: 1px solid var(--mall-line);
  font-size: 13px;
}
.shop-name {
  color: var(--mall-muted);
}
.order-item {
  display: grid;
  grid-template-columns: 56px minmax(0, 1fr) 120px 64px 130px;
  align-items: center;
  gap: 12px;
  padding: 12px 18px;
  border-bottom: 1px solid #f5f5f5;
}
.order-item > img {
  width: 56px;
  height: 56px;
  object-fit: cover;
  border: 1px solid var(--mall-line);
}
.item-info {
  display: flex;
  flex-direction: column;
  gap: 5px;
  min-width: 0;
}
.item-info strong {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.muted,
.qty {
  color: var(--mall-muted);
  font-size: 12px;
}
.line-total {
  color: var(--mall-red);
  text-align: right;
}
.order-total {
  display: flex;
  justify-content: flex-end;
  align-items: center;
  gap: 18px;
  padding: 14px 18px;
  color: var(--mall-muted);
  font-size: 13px;
}
.order-total strong {
  color: var(--mall-red);
  font-size: 16px;
}
.payment-panel {
  margin-top: 16px;
  padding: 0 18px 16px;
}
.section-title {
  margin: 0 -18px 12px;
  padding: 16px 18px;
  border-bottom: 1px solid var(--mall-line);
  font-size: 15px;
  font-weight: 600;
}
.payment-option {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-right: 30px;
  padding: 8px 0;
  cursor: pointer;
}
.submit-bar {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 18px;
  padding: 14px 18px;
}
.total-label {
  color: var(--mall-muted);
  font-size: 13px;
}
.total-price {
  color: var(--mall-red);
  font-size: 20px;
}
.empty-wrap {
  padding-bottom: 28px;
  text-align: center;
}
.empty-wrap :deep(.empty) {
  padding-bottom: 20px;
}
.loading-state {
  padding: 70px 0;
  text-align: center;
  color: var(--mall-muted);
}
</style>