fix(subscription): restrict payment methods by country

src/app/subscription/__tests__/subscription-screen.helpers.test.ts

@@ -3,10 +3,12 @@ import { describe, expect, it } from "vitest";
 import { PaymentPlan } from "@/data/dto/payment";
 
 import {
+  canChooseSubscriptionPayChannel,
   findSelectedSubscriptionPlan,
   getDefaultPayChannelForCountryCode,
   getDefaultSubscriptionPlanId,
   getFirstRechargeOfferView,
+  resolveSubscriptionPayChannel,
   toCoinsOfferPlanViews,
   toVipOfferPlanViews,
 } from "../subscription-screen.helpers";
@@ -38,6 +40,34 @@ describe("subscription screen helpers", () => {
     expect(getDefaultPayChannelForCountryCode(null)).toBe("stripe");
   });
 
+  it("only allows payment method switching for Philippines users", () => {
+    expect(canChooseSubscriptionPayChannel("PH")).toBe(true);
+    expect(canChooseSubscriptionPayChannel("ph")).toBe(true);
+    expect(canChooseSubscriptionPayChannel("HK")).toBe(false);
+    expect(canChooseSubscriptionPayChannel(null)).toBe(false);
+  });
+
+  it("resolves subscription pay channel by country", () => {
+    expect(
+      resolveSubscriptionPayChannel({
+        countryCode: "PH",
+        requestedPayChannel: null,
+      }),
+    ).toBe("ezpay");
+    expect(
+      resolveSubscriptionPayChannel({
+        countryCode: "PH",
+        requestedPayChannel: "stripe",
+      }),
+    ).toBe("stripe");
+    expect(
+      resolveSubscriptionPayChannel({
+        countryCode: "HK",
+        requestedPayChannel: "ezpay",
+      }),
+    ).toBe("stripe");
+  });
+
   it("maps at most three VIP plans and all coin plans", () => {
     const plans = [
       makePlan({ planId: "vip_monthly", planName: "Monthly" }),