import { beforeEach, describe, expect, it, vi } from 'vitest'

describe('settingsStore locale defaults', () => {
  beforeEach(() => {
    vi.resetModules()
    window.localStorage.clear()
  })

  it('defaults to Chinese when no locale is stored', async () => {
    const { useSettingsStore } = await import('./settingsStore')

    expect(useSettingsStore.getState().locale).toBe('zh')
  })

  it('keeps a stored locale override', async () => {
    window.localStorage.setItem('cc-haha-locale', 'en')

    const { useSettingsStore } = await import('./settingsStore')

    expect(useSettingsStore.getState().locale).toBe('en')
  })
})

describe('settingsStore desktop notification persistence', () => {
  beforeEach(() => {
    vi.resetModules()
    vi.clearAllMocks()
    window.localStorage.clear()
  })

  it('persists the latest desktop notification toggle when saves overlap', async () => {
    const pendingSaves: Array<() => void> = []
    const updateUser = vi.fn(
      () =>
        new Promise<{ ok: true }>((resolve) => {
          pendingSaves.push(() => resolve({ ok: true }))
        }),
    )

    vi.doMock('../api/settings', () => ({
      settingsApi: {
        getUser: vi.fn(),
        updateUser,
        getPermissionMode: vi.fn(),
        setPermissionMode: vi.fn(),
        getCliLauncherStatus: vi.fn(),
      },
    }))
    vi.doMock('../api/models', () => ({
      modelsApi: {
        list: vi.fn(),
        getCurrent: vi.fn(),
        setCurrent: vi.fn(),
        getEffort: vi.fn(),
        setEffort: vi.fn(),
      },
    }))

    const { useSettingsStore } = await import('./settingsStore')

    const firstSave = useSettingsStore.getState().setDesktopNotificationsEnabled(false)
    await vi.waitFor(() => {
      expect(updateUser).toHaveBeenCalledWith({ desktopNotificationsEnabled: false })
    })

    const secondSave = useSettingsStore.getState().setDesktopNotificationsEnabled(true)
    expect(useSettingsStore.getState().desktopNotificationsEnabled).toBe(true)

    pendingSaves.shift()?.()
    await vi.waitFor(() => {
      expect(updateUser).toHaveBeenCalledWith({ desktopNotificationsEnabled: true })
    })
    pendingSaves.shift()?.()
    await Promise.all([firstSave, secondSave])

    expect(updateUser).toHaveBeenLastCalledWith({ desktopNotificationsEnabled: true })
    expect(useSettingsStore.getState().desktopNotificationsEnabled).toBe(true)
  })
})