feat(admin): implement pricing overrides for plans and update pricing logic

apps/backend/test/plan/plan-pricing.service.test.ts

@@ -0,0 +1,87 @@
+import { expect, test } from 'bun:test';
+
+import type { PlanRules } from '@repo/api-contract';
+
+const DEFAULT_PRICE = 29.99;
+
+function makeV1Rules(): PlanRules {
+  return {
+    version: 'v1',
+    limits: { maxCourts: 3, maxBookingsPerDay: 50 },
+    policies: { allowOverbooking: false },
+    features: {
+      onlinePayments: false,
+      publicBookingPage: false,
+      advancedReports: false,
+      whatsappReminders: false,
+    },
+  };
+}
+
+function makeV2Rules(overrides?: Record<string, { amount: number; currency: string }>): PlanRules {
+  return {
+    version: 'v2',
+    limits: { maxCourts: 5, maxBookingsPerDay: 100 },
+    policies: { allowOverbooking: false },
+    features: {
+      onlinePayments: true,
+      publicBookingPage: true,
+      advancedReports: true,
+      whatsappReminders: true,
+    },
+    ...(overrides ? { pricing: { overrides } } : {}),
+  };
+}
+
+const { resolvePlanPrice } = await import('@/modules/plan/services/plan-pricing.service');
+
+test('returns default price in USD when no country code is provided', () => {
+  const result = resolvePlanPrice(
+    DEFAULT_PRICE,
+    makeV2Rules({ AR: { amount: 14999, currency: 'ARS' } })
+  );
+  expect(result).toEqual({ amount: DEFAULT_PRICE, currency: 'USD' });
+});
+
+test('returns overridden price for matching country code', () => {
+  const rules = makeV2Rules({ AR: { amount: 14999, currency: 'ARS' } });
+  const result = resolvePlanPrice(DEFAULT_PRICE, rules, 'AR');
+  expect(result).toEqual({ amount: 14999, currency: 'ARS' });
+});
+
+test('returns default price for country without override', () => {
+  const rules = makeV2Rules({ AR: { amount: 14999, currency: 'ARS' } });
+  const result = resolvePlanPrice(DEFAULT_PRICE, rules, 'CL');
+  expect(result).toEqual({ amount: DEFAULT_PRICE, currency: 'USD' });
+});
+
+test('returns default price for v1 rules (no pricing config)', () => {
+  const result = resolvePlanPrice(DEFAULT_PRICE, makeV1Rules(), 'AR');
+  expect(result).toEqual({ amount: DEFAULT_PRICE, currency: 'USD' });
+});
+
+test('returns default price for v2 rules with empty overrides', () => {
+  const rules = makeV2Rules({});
+  const result = resolvePlanPrice(DEFAULT_PRICE, rules, 'AR');
+  expect(result).toEqual({ amount: DEFAULT_PRICE, currency: 'USD' });
+});
+
+test('returns default price when v2 rules has no pricing section', () => {
+  const rules = makeV2Rules();
+  const result = resolvePlanPrice(DEFAULT_PRICE, rules, 'AR');
+  expect(result).toEqual({ amount: DEFAULT_PRICE, currency: 'USD' });
+});
+
+test('selects correct override among multiple countries', () => {
+  const rules = makeV2Rules({
+    AR: { amount: 24999, currency: 'ARS' },
+    BR: { amount: 59.99, currency: 'USD' },
+  });
+
+  expect(resolvePlanPrice(DEFAULT_PRICE, rules, 'AR')).toEqual({ amount: 24999, currency: 'ARS' });
+  expect(resolvePlanPrice(DEFAULT_PRICE, rules, 'BR')).toEqual({ amount: 59.99, currency: 'USD' });
+  expect(resolvePlanPrice(DEFAULT_PRICE, rules, 'US')).toEqual({
+    amount: DEFAULT_PRICE,
+    currency: 'USD',
+  });
+});