feat(payment): add chat support discounts and gratitude

(cherry picked from commit ef9b79bc83)
2026-07-28 17:42:53 +08:00
parent 59e4eac736
commit 74b7eae18b
35 changed files with 768 additions and 56 deletions
@@ -0,0 +1,84 @@
+import { describe, expect, it } from "vitest";
+
+import { deriveChatSupportCta } from "../chat-support-cta";
+
+describe("deriveChatSupportCta", () => {
+  const now = Date.parse("2026-07-28T00:00:00.000Z");
+
+  it("shows first recharge ahead of a weaker role offer without inventing a timer", () => {
+    expect(
+      deriveChatSupportCta({
+        isFirstRecharge: true,
+        commercialOffer: {
+          enabled: true,
+          commercialOfferId: "offer-1",
+          characterId: "elio",
+          planId: "vip_annual",
+          discountPercent: 30,
+          pricePercent: 70,
+          expiresAt: "2026-07-29T00:00:00.000Z",
+          triggerReason: "price_objection",
+          message: "I got this for you.",
+        },
+        nowMs: now,
+      }),
+    ).toMatchObject({
+      kind: "firstRecharge",
+      label: "Support me · 50% OFF · First recharge",
+      commercialOfferId: null,
+      expiresAt: null,
+    });
+  });
+
+  it("shows a server-anchored 24-hour role offer countdown", () => {
+    expect(
+      deriveChatSupportCta({
+        isFirstRecharge: false,
+        commercialOffer: {
+          enabled: true,
+          commercialOfferId: "offer-1",
+          characterId: "maya-tan",
+          planId: "vip_annual",
+          discountPercent: 30,
+          pricePercent: 70,
+          expiresAt: "2026-07-29T00:00:00.000Z",
+          triggerReason: "price_objection",
+          message: "I got this for you.",
+        },
+        nowMs: now,
+      }),
+    ).toMatchObject({
+      kind: "commercialOffer",
+      label: "Support me · 30% OFF · 23:59:59",
+      commercialOfferId: "offer-1",
+      expiresAt: "2026-07-29T00:00:00.000Z",
+    });
+  });
+
+  it("returns to Support me after an offer expires or is absent", () => {
+    expect(
+      deriveChatSupportCta({
+        isFirstRecharge: false,
+        commercialOffer: null,
+        nowMs: now,
+      }).label,
+    ).toBe("Support me");
+    expect(
+      deriveChatSupportCta({
+        isFirstRecharge: false,
+        commercialOffer: {
+          enabled: true,
+          commercialOfferId: "offer-1",
+          characterId: "elio",
+          planId: "vip_annual",
+          discountPercent: 30,
+          pricePercent: 70,
+          expiresAt: "2026-07-27T00:00:00.000Z",
+          triggerReason: "price_objection",
+          message: "I got this for you.",
+        },
+        nowMs: now,
+      }).label,
+    ).toBe("Support me");
+  });
+});