import {
  applyPreferencesPatch,
  clearAllUserPreferenceCaches,
  normalizePreferences,
  normalizePreferencesPatch,
} from '../src/lib/preferences-context'
import AsyncStorage from '@react-native-async-storage/async-storage'
import {
  getMobileThemePalette,
  resolveEffectiveTheme,
} from '../src/theme/mobile-theme'

describe('mobile preferences model', () => {
  test('rejects malformed cached values and restores safe defaults', () => {
    const normalized = normalizePreferences({
      themeMode: 'neon',
      locale: 'unknown',
      hapticEnabled: 'yes',
      autoPolishEnabled: false,
      onboardingVersion: -4,
      tutorialCompletedAt: 'not-a-date',
      revision: 0,
    })

    expect(normalized).toMatchObject({
      themeMode: 'system',
      locale: 'ko',
      hapticEnabled: true,
      autoPolishEnabled: false,
      onboardingVersion: 0,
      tutorialCompletedAt: null,
      revision: 1,
    })
  })

  test('accepts only supported fields in a pending patch', () => {
    expect(normalizePreferencesPatch({
      themeMode: 'light',
      locale: 'en',
      hapticEnabled: false,
      preferredSttModel: ' cloud-default ',
      revision: 999,
      unknownSetting: true,
    })).toEqual({
      themeMode: 'light',
      locale: 'en',
      hapticEnabled: false,
      preferredSttModel: 'cloud-default',
    })
  })

  test('applies an offline patch without discarding server metadata', () => {
    const original = normalizePreferences({
      themeMode: 'dark',
      locale: 'ko',
      hapticEnabled: true,
      autoPolishEnabled: true,
      preferredSttModel: 'cloud-default',
      preferredLlmModel: 'claude',
      onboardingVersion: 1,
      tutorialCompletedAt: '2026-08-21T01:00:00.000Z',
      revision: 8,
      updatedAt: '2026-08-21T01:05:00.000Z',
    })
    const updated = applyPreferencesPatch(original, {
      themeMode: 'light',
      hapticEnabled: false,
    })

    expect(updated.themeMode).toBe('light')
    expect(updated.hapticEnabled).toBe(false)
    expect(updated.preferredSttModel).toBe('cloud-default')
    expect(updated.preferredLlmModel).toBe('claude')
    expect(updated.revision).toBe(8)
    expect(updated.updatedAt).toBe('2026-08-21T01:05:00.000Z')
  })

  test('logout purge removes account caches but preserves installation settings', async () => {
    const getAllKeys = AsyncStorage.getAllKeys as jest.MockedFunction<
      typeof AsyncStorage.getAllKeys
    >
    const multiRemove = AsyncStorage.multiRemove as jest.MockedFunction<
      typeof AsyncStorage.multiRemove
    >
    getAllKeys.mockResolvedValueOnce([
      '@d3ro/mobile/preferences/installation-v1',
      '@d3ro/mobile/preferences/user-v1/account-a',
      '@d3ro/mobile/preferences/user-v1/account-b',
      '@another/app/key',
    ])

    await clearAllUserPreferenceCaches()

    expect(multiRemove).toHaveBeenCalledWith([
      '@d3ro/mobile/preferences/user-v1/account-a',
      '@d3ro/mobile/preferences/user-v1/account-b',
    ])
  })
})

describe('mobile theme resolution', () => {
  test('system mode follows the device and falls back to dark', () => {
    expect(resolveEffectiveTheme('system', 'light')).toBe('light')
    expect(resolveEffectiveTheme('system', 'dark')).toBe('dark')
    expect(resolveEffectiveTheme('system', null)).toBe('dark')
  })

  test('an explicit theme does not change with the device setting', () => {
    expect(resolveEffectiveTheme('light', 'dark')).toBe('light')
    expect(resolveEffectiveTheme('dark', 'light')).toBe('dark')
    expect(getMobileThemePalette('light').bg.app)
      .not.toBe(getMobileThemePalette('dark').bg.app)
  })
})