import { describe, expect, it } from 'vitest'
import {
  communicationSettingsSchema,
  createManualPaymentSubmissionSchema,
  manualCheckoutSchema,
} from './subscription.schemas'
import { addBillingPeriod, normalizeExternalReference } from './subscription.manual.service'

describe('manual subscription payment contracts', () => {
  it('accepts only bank transfer and check manual checkout', () => {
    const base = { plan: 'GROWTH', billingPeriod: 'ANNUAL', currency: 'MAD', idempotencyKey: crypto.randomUUID() }
    expect(manualCheckoutSchema.safeParse({ ...base, method: 'BANK_TRANSFER' }).success).toBe(true)
    expect(manualCheckoutSchema.safeParse({ ...base, method: 'STRIPE' }).success).toBe(false)
  })

  it('normalizes references without discarding the display value', () => {
    const submittedReference = '  bank   txn-123  '
    const parsed = createManualPaymentSubmissionSchema.parse({ method: 'BANK_TRANSFER', submittedReference, idempotencyKey: crypto.randomUUID() })
    expect(parsed.submittedReference).toBe('bank   txn-123')
    expect(normalizeExternalReference(parsed.submittedReference)).toBe('BANK TXN-123')
  })

  it('enforces the company-enabled communication language set', () => {
    const valid = {
      timezone: 'Africa/Casablanca', reminderLocalTime: '09:00',
      enabledCommunicationLocales: ['ar', 'fr'], defaultCommunicationLocale: 'fr',
      contacts: [{ email: 'billing@example.ma', locale: 'ar', isPrimary: true, receivePaymentNotices: true, isActive: true }],
    }
    expect(communicationSettingsSchema.safeParse(valid).success).toBe(true)
    expect(communicationSettingsSchema.safeParse({ ...valid, defaultCommunicationLocale: 'en' }).success).toBe(false)
    expect(communicationSettingsSchema.safeParse({ ...valid, contacts: [{ ...valid.contacts[0], locale: 'en' }] }).success).toBe(false)
    expect(communicationSettingsSchema.safeParse({ ...valid, enabledCommunicationLocales: [] }).success).toBe(false)
  })

  it('clamps month-end and leap-year billing periods', () => {
    expect(addBillingPeriod(new Date('2028-01-31T12:00:00.000Z'), 'MONTHLY').toISOString()).toBe('2028-02-29T12:00:00.000Z')
    expect(addBillingPeriod(new Date('2028-02-29T12:00:00.000Z'), 'ANNUAL').toISOString()).toBe('2029-02-28T12:00:00.000Z')
  })
})