import { cleanup, fireEvent, render, screen, waitFor } from '@testing-library/react'
import { afterEach, beforeEach, describe, expect, it, vi } from 'vitest'

import { I18nProvider } from '@/i18n/context'

import type { CodexLinkStatus } from '../../../electron/codex-link-types'

import { CodexLinkSettings } from './codex-link-settings'

const notifyError = vi.hoisted(() => vi.fn())
vi.mock('@/store/notifications', () => ({ notifyError }))

const RUNNING: CodexLinkStatus = {
  enabled: true,
  codexFound: true,
  venvReady: true,
  foreign: false,
  bridgeRunning: true,
  ideDurum: 'tamam',
  ideModel: 12,
  ozet: true,
  lastError: null
}

const get = vi.fn<() => Promise<CodexLinkStatus>>()
const set = vi.fn<(patch: { enabled?: boolean; sync?: boolean }) => Promise<CodexLinkStatus>>()

function renderPage(locale: 'en' | 'tr' = 'tr') {
  return render(
    <I18nProvider configClient={null} initialLocale={locale}>
      <CodexLinkSettings />
    </I18nProvider>
  )
}

function statusTexts() {
  return screen.getAllByRole('listitem').map(item => item.textContent)
}

beforeEach(() => {
  ;(window as unknown as { hermesDesktop: unknown }).hermesDesktop = { codexLink: { get, set } }
})

afterEach(() => {
  cleanup()
  vi.resetAllMocks()
  delete (window as unknown as { hermesDesktop?: unknown }).hermesDesktop
})

describe('Codex Link settings', () => {
  it('explains the feature and shows a healthy link in Turkish', async () => {
    get.mockResolvedValue(RUNNING)
    renderPage()

    expect(await screen.findByText('Köprü çalışıyor.')).toBeTruthy()
    expect(statusTexts()).toEqual(['Bu bilgisayarda Codex bulundu.', 'Köprü çalışıyor.', "Codex'e 12 model eklendi."])
    expect(
      screen.getByText(
        "AITURK IDE'deki modelleri ve comboları bu bilgisayardaki Codex'e ekler; modeller arasında geçerken sohbet bağlamını korur."
      )
    ).toBeTruthy()
    expect(screen.getByText("Codex'te yeni modelleri görmek için Codex'i yeniden açın.")).toBeTruthy()
    expect(screen.getByRole('switch', { name: 'Codex Bağlama' }).getAttribute('aria-checked')).toBe('true')
    expect(set).not.toHaveBeenCalled()
  })

  it('renders in English for other locales', async () => {
    get.mockResolvedValue(RUNNING)
    renderPage('en')

    expect(await screen.findByText('The bridge is running.')).toBeTruthy()
    expect(statusTexts()).toEqual([
      'Codex was found on this computer.',
      'The bridge is running.',
      '12 models added to Codex.'
    ])
    expect(screen.getByRole('button', { name: 'Sync now' })).toBeTruthy()
  })

  it('says only that Codex is missing when it is not installed', async () => {
    get.mockResolvedValue({ ...RUNNING, codexFound: false, bridgeRunning: false, ideDurum: null, ideModel: null })
    renderPage()

    expect(await screen.findByText('Bu bilgisayarda Codex bulunamadı.')).toBeTruthy()
    expect(statusTexts()).toEqual(['Bu bilgisayarda Codex bulunamadı.'])
  })

  it('says another bridge is in charge and does not claim ours is running', async () => {
    get.mockResolvedValue({ ...RUNNING, foreign: true })
    renderPage()

    expect(await screen.findByText(/başka bir köprü kullanıyor/)).toBeTruthy()
    expect(statusTexts()).toEqual([
      'Bu bilgisayarda Codex bulundu.',
      'Bu bilgisayarda Codex başka bir köprü kullanıyor; ayarına dokunulmadı.'
    ])
  })

  it('says it is waiting for the IDE setup', async () => {
    get.mockResolvedValue({ ...RUNNING, venvReady: false, bridgeRunning: false, ideDurum: null, ideModel: null })
    renderPage()

    expect(await screen.findByText('IDE kurulumu tamamlanınca etkinleşecek.')).toBeTruthy()
    expect(screen.queryByText('Köprü çalışmıyor.')).toBeNull()
  })

  it('asks for a sign-in when the bridge has no IDE session', async () => {
    get.mockResolvedValue({ ...RUNNING, ideDurum: 'anahtar-yok', ideModel: 0 })
    renderPage()

    expect(await screen.findByText('IDE oturumu bulunamadı, giriş yapın.')).toBeTruthy()
    expect(screen.queryByText(/model eklendi/)).toBeNull()
  })

  it('shows a stopped bridge together with the last error', async () => {
    get.mockResolvedValue({
      ...RUNNING,
      bridgeRunning: false,
      ideDurum: null,
      ideModel: null,
      lastError: 'bridge-start-failed'
    })
    renderPage()

    expect(await screen.findByText('Köprü çalışmıyor.')).toBeTruthy()
    expect(screen.getByText('Köprü başlatılamadı; Codex ayarına dokunulmadı.')).toBeTruthy()
  })

  it('turns the link off through the bridge and adopts the reply', async () => {
    get.mockResolvedValue(RUNNING)
    set.mockResolvedValue({ ...RUNNING, enabled: false, bridgeRunning: false, ideDurum: null, ideModel: null })
    renderPage()

    await screen.findByText('Köprü çalışıyor.')
    fireEvent.click(screen.getByRole('switch', { name: 'Codex Bağlama' }))

    expect(set).toHaveBeenCalledWith({ enabled: false })
    expect(await screen.findByText('Codex Bağlama kapalı. Codex kendi ayarlarıyla çalışıyor.')).toBeTruthy()
    expect(screen.getByRole('switch', { name: 'Codex Bağlama' }).getAttribute('aria-checked')).toBe('false')
  })

  it('rolls the switch back and reports when the change fails', async () => {
    get.mockResolvedValue(RUNNING)
    set.mockRejectedValue(new Error('codex-link:unavailable'))
    renderPage()

    await screen.findByText('Köprü çalışıyor.')
    fireEvent.click(screen.getByRole('switch', { name: 'Codex Bağlama' }))

    await waitFor(() => expect(notifyError).toHaveBeenCalledWith(expect.any(Error), 'Codex Bağlama değiştirilemedi.'))
    expect(screen.getByRole('switch', { name: 'Codex Bağlama' }).getAttribute('aria-checked')).toBe('true')
    expect(screen.getByText('Köprü çalışıyor.')).toBeTruthy()
  })

  it('syncs on demand and keeps the button disabled while it runs', async () => {
    get.mockResolvedValue({ ...RUNNING, bridgeRunning: false, ideDurum: null, ideModel: null })

    let finish: (status: CodexLinkStatus) => void = () => undefined

    set.mockReturnValue(
      new Promise<CodexLinkStatus>(resolve => {
        finish = resolve
      })
    )
    renderPage()

    await screen.findByText('Köprü çalışmıyor.')
    fireEvent.click(screen.getByRole('button', { name: 'Şimdi eşitle' }))

    expect(set).toHaveBeenCalledTimes(1)
    expect(set).toHaveBeenCalledWith({ sync: true })

    const pending = screen.getByRole('button', { name: 'Eşitleniyor…' }) as HTMLButtonElement

    expect(pending.disabled).toBe(true)
    fireEvent.click(pending)
    expect(set).toHaveBeenCalledTimes(1)

    finish(RUNNING)

    expect(await screen.findByText('Köprü çalışıyor.')).toBeTruthy()
    expect((screen.getByRole('button', { name: 'Şimdi eşitle' }) as HTMLButtonElement).disabled).toBe(false)
  })

  it('offers nothing to click where the desktop bridge is absent', () => {
    delete (window as unknown as { hermesDesktop?: unknown }).hermesDesktop
    renderPage()

    expect(screen.getByText('Codex Bağlama yalnızca Windows masaüstü uygulamasında kullanılabilir.')).toBeTruthy()
    expect(screen.queryByRole('switch')).toBeNull()
    expect(get).not.toHaveBeenCalled()
  })
})