import React from 'react'
import { act, create } from 'react-test-renderer'
import type { ReactTestRenderer } from 'react-test-renderer'
import { Linking } from 'react-native'
import { IdentityManagementService } from '../src/features/auth/identity-linking'

const USER_ID = '11111111-1111-4111-8111-111111111111'
const mockCapabilities = jest.fn()
const mockOpenUrl = jest.spyOn(Linking, 'openURL')
const mockI18n = {
  t: (key: string, params?: Record<string, unknown>) => params === undefined ? key : `${key}:${JSON.stringify(params)}`,
  formatDate: () => '2026-08-21',
}
const mockUser = {
  id: USER_ID,
  email: 'user@example.com',
  created_at: '2026-08-01T00:00:00.000Z',
  last_sign_in_at: '2026-08-21T00:00:00.000Z',
  app_metadata: { provider: 'google', providers: ['email', 'google'] },
  identities: [],
}

jest.mock('@react-navigation/native', () => ({ useNavigation: () => ({ navigate: jest.fn() }) }))
jest.mock('react-native-safe-area-context', () => ({
  useSafeAreaInsets: () => ({ top: 0, bottom: 0, left: 0, right: 0 }),
}))
jest.mock('@d3ro/i18n', () => ({
  useI18n: () => mockI18n,
}))
jest.mock('../src/lib/auth-context', () => ({
  useAuth: () => ({
    user: mockUser,
    purgeLocalSession: jest.fn(async () => undefined),
  }),
}))
jest.mock('../src/lib/device-context', () => ({ useDevice: () => ({ currentDevice: null }) }))
jest.mock('../src/lib/preferences-context', () => ({
  useMobilePreferences: () => ({
    palette: {
      bg: { app: '#000', card: '#181818', inset: '#202020', cardHover: '#222' },
      text: { primary: '#fff', muted: '#999', white: '#fff', onAccent: '#000' },
      border: { default: '#444', subtle: '#333', strong: '#666' },
      accent: { main: '#7cf', dim: '#234' },
      tag: { red: '#f66', green: '#6f6', orange: '#fa6' },
    },
  }),
  clearAllUserPreferenceCaches: jest.fn(),
}))
jest.mock('../src/lib/auth-capabilities', () => ({ getAuthCapabilities: (...args: unknown[]) => mockCapabilities(...args) }))
jest.mock('../src/lib/supabase', () => ({
  supabase: {
    from: () => ({
      select: () => ({
        eq: () => ({
          single: async () => ({
            data: { id: USER_ID, name: 'User', avatar_url: null, locale: 'en', tier: 'free', created_at: '', updated_at: '' },
            error: null,
          }),
        }),
      }),
    }),
    auth: { signOut: jest.fn() },
    functions: { invoke: jest.fn() },
  },
}))
jest.mock('../src/lib/auth-redirect', () => ({
  AUTH_REDIRECT_URL: 'd3ro-voice://auth-callback',
  completeAuthRedirect: jest.fn(),
}))
jest.mock('react-native-inappbrowser-reborn', () => ({
  __esModule: true,
  default: {
    isAvailable: jest.fn(async () => false),
    openAuth: jest.fn(),
  },
}))
jest.mock('../src/lib/entitlement-context', () => ({ clearAllEntitlementCaches: jest.fn() }))
jest.mock('../src/features/history/history-cache', () => ({ clearAllHistoryCaches: jest.fn() }))
jest.mock('../src/features/devices/device-service', () => ({ unregisterCurrentDevice: jest.fn() }))
jest.mock('../src/features/actions/action-service', () => ({ clearActionHistory: jest.fn() }))
jest.mock('../src/features/notifications/notification-service', () => ({ detachPushRegistrationForLogout: jest.fn() }))
jest.mock('../src/features/templates', () => ({ clearAllGenerationIdempotencyKeys: jest.fn() }))
jest.mock('../src/lib/native-config', () => ({ getMobileRuntimeConfig: () => ({ installationId: 'device' }) }))
jest.mock('../src/lib/audio-recorder', () => ({ audioRecorder: { cancel: jest.fn(async () => undefined) } }))
jest.mock('../src/features/recording/durable-processing-queue', () => ({
  clearQueuedAudioForUser: jest.fn(async () => undefined),
}))
jest.mock('../src/lib/logout', () => ({ signOutWithLocalFallback: jest.fn(async () => ({ remoteRevocationConfirmed: true })) }))

import AccountScreen from '../src/screens/AccountScreen'

function createIdentityService(): IdentityManagementService {
  const identities = [
    { id: USER_ID, user_id: USER_ID, identity_id: 'email-id', provider: 'email' },
    { id: USER_ID, user_id: USER_ID, identity_id: 'google-id', provider: 'google' },
  ]
  return new IdentityManagementService({
    getUser: jest.fn(async () => ({
      data: { user: { id: USER_ID, app_metadata: { provider: 'google' } } },
      error: null,
    })),
    getUserIdentities: jest.fn(async () => ({ data: { identities }, error: null })),
    linkIdentity: jest.fn(async () => ({
      data: { provider: 'github', url: 'https://provider.example/authorize' },
      error: null,
    })),
    unlinkIdentity: jest.fn(async () => ({ data: {}, error: null })),
  } as never)
}

async function flush(): Promise<void> {
  await act(async () => {
    await Promise.resolve()
    await Promise.resolve()
    await Promise.resolve()
  })
}

describe('AccountScreen identity management', () => {
  beforeEach(() => {
    mockCapabilities.mockResolvedValue({
      signUpEnabled: true,
      emailEnabled: true,
      googleEnabled: true,
      githubEnabled: true,
      appleEnabled: false,
    })
    mockOpenUrl.mockReset().mockResolvedValue(true)
  })

  it('shows only capability-enabled unlinked providers and disables the active login unlink', async () => {
    let renderer: ReactTestRenderer.ReactTestRenderer
    await act(async () => {
      renderer = create(<AccountScreen identityService={createIdentityService()} />)
    })
    await flush()

    expect(renderer!.root.findByProps({ testID: 'account-identities' })).toBeTruthy()
    expect(renderer!.root.findByProps({ testID: 'link-identity-github' })).toBeTruthy()
    expect(() => renderer!.root.findByProps({ testID: 'link-identity-google' })).toThrow()
    expect(() => renderer!.root.findByProps({ testID: 'link-identity-apple' })).toThrow()
    expect(renderer!.root.findByProps({ testID: 'unlink-identity-google' }).props.disabled).toBe(true)

    const githubLink = renderer!.root.findByProps({ testID: 'link-identity-github' })
    await act(async () => {
      githubLink.props.onPress()
      await Promise.resolve()
      await Promise.resolve()
    })
    expect(mockOpenUrl).toHaveBeenCalledWith('https://provider.example/authorize')
  })
})