redesign the homepage

api/src/modules/admin/admin.billing.schemas.test.ts

@@ -0,0 +1,53 @@
+import { describe, expect, it } from 'vitest'
+import {
+  billingAccountUpdateSchema,
+  billingCreditNoteSchema,
+  billingRefundSchema,
+  createBillingInvoiceSchema,
+  payBillingInvoiceSchema,
+} from './admin.schemas'
+
+describe('admin billing schemas', () => {
+  it('accepts complete draft invoice payloads and preserves nullable billing fields', () => {
+    const parsed = createBillingInvoiceSchema.parse({
+      subscriptionId: null,
+      invoiceType: 'MANUAL',
+      currency: 'MAD',
+      dueAt: '2026-08-10',
+      isSubscriptionBlocking: false,
+      adminReason: null,
+      lineItems: [{
+        type: 'MANUAL_ADJUSTMENT',
+        description: 'Manual correction',
+        quantity: 2,
+        unitAmount: 1500,
+        periodStart: null,
+        periodEnd: '2026-08-31T00:00:00.000Z',
+      }],
+    })
+
+    expect(parsed.lineItems[0]).toMatchObject({ quantity: 2, unitAmount: 1500, periodStart: null })
+  })
+
+  it('rejects invoices without line items because empty invoices are bookkeeping cosplay', () => {
+    expect(() => createBillingInvoiceSchema.parse({ invoiceType: 'MANUAL', lineItems: [] })).toThrow()
+  })
+
+  it('bounds billing account net terms and validates email formatting', () => {
+    expect(billingAccountUpdateSchema.parse({
+      legalName: 'Atlas Cars LLC',
+      billingEmail: 'billing@example.test',
+      invoiceTerms: 'NET_30',
+      netTermsDays: 30,
+    })).toMatchObject({ netTermsDays: 30 })
+
+    expect(() => billingAccountUpdateSchema.parse({ billingEmail: 'not-email', netTermsDays: 366 })).toThrow()
+  })
+
+  it('requires positive money movements for payments, credit notes, and refunds', () => {
+    expect(payBillingInvoiceSchema.parse({ amount: 5000, paymentMethodId: null })).toEqual({ amount: 5000, paymentMethodId: null })
+    expect(() => payBillingInvoiceSchema.parse({ amount: 0 })).toThrow()
+    expect(() => billingCreditNoteSchema.parse({ amount: -1, reason: 'Bad credit' })).toThrow()
+    expect(() => billingRefundSchema.parse({ amount: 0, reason: 'Bad refund' })).toThrow()
+  })
+})