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import { computed, watch } from "vue";
import { RouterLink } from "vue-router";
import {
PjButton,
PjPageContainer,
PjStatusNotice,
} from "@plain-journal/ui";
import {
formatMoney,
type Benefit,
} from "@plain-journal/foundation";
import {
BenefitAccessChangedError,
type BenefitAccessContext,
useBenefitsStore,
} from "../entities/benefit";
import { useSessionStore } from "../features/customer-session";
const store = useBenefitsStore();
const session = useSessionStore();
const accessContext = computed<BenefitAccessContext>(() => ({
authenticated: session.authenticated,
ownerId: session.profile?.id ?? null,
accessToken: session.accessToken,
}));
function typeLabel(value: string): string {
return {
COUPON: "优惠券",
RED_PACKET: "红包",
SUBSIDY: "平台补贴",
}[value] ?? value;
}
function statusLabel(value: string): string {
return {
AVAILABLE: "可用",
LOCKED: "订单已锁定",
REDEEMED: "已使用",
}[value] ?? value;
}
function statusPresentation(benefit: Benefit) {
if (benefit.status === "AVAILABLE") {
return {
tone: "success" as const,
description: "满足门槛与地区条件时，可在结算中选择。",
};
}
if (benefit.status === "LOCKED") {
return {
tone: "processing" as const,
description: benefit.lockedOrderNo
? `已为订单 ${benefit.lockedOrderNo} 保留，等待订单结果。`
: "已为一笔订单保留，等待订单结果。",
};
}
Eif (benefit.status === "REDEEMED") {
return {
tone: "neutral" as const,
description: benefit.redeemedOrderNo
? `已由订单 ${benefit.redeemedOrderNo} 使用。`
: "该权益已经使用，不能再次用于结算。",
};
}
return {
tone: "attention" as const,
description: "这是服务端返回的未识别状态，请以订单与结算事实为准。",
};
}
function formatTimestamp(value: string): string {
return new Date(value).toLocaleString("zh-CN");
}
function regionLabel(level: string): string {
return {
PROVINCE: "省级",
CITY: "市级",
DISTRICT: "区县",
}[level] ?? level;
}
watch(accessContext, async (context) => {
try {
await store.load(context);
} catch (cause) {
if (!(cause instanceof BenefitAccessChangedError)) {
// The benefit entity keeps the current owner's read error.
}
}
}, { immediate: true });
</script>
<template>
<PjPageContainer as="section" size="wide" class="benefit-center-page">
<nav class="benefit-path" aria-label="当前位置">
<RouterLink to="/account">账户</RouterLink>
<span aria-hidden="true">/</span>
<span>优惠权益</span>
</nav>
<header class="benefit-intro">
<div>
<p class="benefit-context">账户权益</p>
<h1>优惠权益</h1>
</div>
<p>{{ store.availableCount }} 份当前可用</p>
</header>
<PjStatusNotice
v-if="store.error"
class="benefit-error"
tone="danger"
title="权益事实未能读取"
assertive
>
<p>{{ store.error }}</p>
<template #actions>
<PjButton variant="text" @click="store.load(accessContext)">重新查询</PjButton>
</template>
</PjStatusNotice>
<PjStatusNotice
v-if="store.loading && store.benefits.length === 0"
tone="processing"
title="正在读取当前账户的权益"
>
<p>只展示当前登录账户由服务端返回的权益事实。</p>
</PjStatusNotice>
<PjStatusNotice
v-else-if="!store.error && store.benefits.length === 0"
tone="neutral"
title="当前账户没有可展示的优惠权益"
>
<p>页面不会自行生成优惠；可继续浏览商品，等待真实权益发放。</p>
<template #actions>
<RouterLink to="/products">继续浏览商品 →</RouterLink>
</template>
</PjStatusNotice>
<section
v-else-if="store.benefits.length > 0"
class="benefit-list"
aria-label="当前账户优惠权益"
>
<article
v-for="benefit in store.benefits"
:key="benefit.benefitNo"
class="benefit-row"
>
<header class="benefit-row__summary">
<div>
<p class="benefit-context">{{ typeLabel(benefit.benefitType) }}</p>
<h2>{{ formatMoney(benefit.discountAmount) }}</h2>
<p>满 {{ formatMoney(benefit.thresholdAmount) }} 可用</p>
</div>
<PjStatusNotice
class="benefit-row__status"
:tone="statusPresentation(benefit).tone"
:title="statusLabel(benefit.status)"
>
<p>{{ statusPresentation(benefit).description }}</p>
</PjStatusNotice>
</header>
<dl class="benefit-row__facts">
<div>
<dt>权益编号</dt>
<dd>{{ benefit.benefitNo }}</dd>
</div>
<div>
<dt>规则</dt>
<dd>{{ benefit.ruleCode }}</dd>
</div>
<div>
<dt>有效期</dt>
<dd>{{ formatTimestamp(benefit.validFrom) }} 至 {{ formatTimestamp(benefit.validUntil) }}</dd>
</div>
<div v-if="benefit.lockedOrderNo">
<dt>锁定订单</dt>
<dd>{{ benefit.lockedOrderNo }}</dd>
</div>
<div v-if="benefit.redeemedOrderNo">
<dt>核销订单</dt>
<dd>{{ benefit.redeemedOrderNo }}</dd>
</div>
</dl>
<p v-if="benefit.regions.length" class="benefit-row__regions">
地区限制：{{
benefit.regions
.map((region) => `${regionLabel(region.level)} ${region.regionCode}`)
.join("、")
}}
</p>
</article>
</section>
</PjPageContainer>
</template>
<style scoped>
.benefit-center-page {
padding-block: var(--pj-space-7) var(--pj-space-8);
}
.benefit-path {
display: flex;
gap: var(--pj-space-2);
margin-bottom: var(--pj-space-7);
color: var(--pj-text-secondary);
font-size: var(--pj-font-size-sm);
}
.benefit-intro {
display: flex;
align-items: end;
justify-content: space-between;
gap: var(--pj-space-5);
margin-bottom: var(--pj-space-6);
}
.benefit-intro h1 {
margin: 0;
font-size: var(--pj-font-size-xl);
font-weight: 520;
letter-spacing: -0.04em;
line-height: var(--pj-line-height-tight);
}
.benefit-intro > p,
.benefit-context,
.benefit-row__summary > div > p:last-child,
.benefit-row__facts dt,
.benefit-row__regions {
color: var(--pj-text-secondary);
}
.benefit-context {
margin: 0 0 var(--pj-space-3);
font-size: var(--pj-font-size-xs);
font-weight: 650;
letter-spacing: 0.12em;
text-transform: uppercase;
}
.benefit-error {
margin-bottom: var(--pj-space-5);
}
.benefit-list {
display: grid;
}
.benefit-row {
padding-block: var(--pj-space-6);
border-top: 1px solid var(--pj-border-subtle);
}
.benefit-row:last-child {
border-bottom: 1px solid var(--pj-border-subtle);
}
.benefit-row__summary {
display: grid;
grid-template-columns: minmax(0, 1fr) minmax(18rem, 0.55fr);
gap: var(--pj-space-6);
align-items: start;
}
.benefit-row__summary h2 {
margin: 0;
font-size: clamp(2rem, 4vw, 3.5rem);
font-weight: 520;
letter-spacing: -0.04em;
line-height: var(--pj-line-height-tight);
}
.benefit-row__summary > div > p:last-child {
margin: var(--pj-space-2) 0 0;
}
.benefit-row__facts {
display: grid;
margin: var(--pj-space-5) 0 0;
}
.benefit-row__facts > div {
display: grid;
grid-template-columns: minmax(8rem, 0.3fr) minmax(0, 1fr);
gap: var(--pj-space-4);
padding-block: var(--pj-space-3);
border-top: 1px solid var(--pj-border-subtle);
}
.benefit-row__facts dd {
margin: 0;
overflow-wrap: anywhere;
}
.benefit-row__regions {
margin: var(--pj-space-4) 0 0;
}
@media (max-width: 48rem) {
.benefit-intro {
align-items: flex-start;
flex-direction: column;
}
.benefit-row__summary {
grid-template-columns: 1fr;
}
.benefit-row__facts > div {
grid-template-columns: 1fr;
gap: var(--pj-space-1);
}
}
</style>
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