import path from 'path'
import { mkdtempSync, rmSync, existsSync } from 'fs'
import { join } from 'path'
import { tmpdir } from 'os'
import { test, expect, _electron as electron, type Page } from '@playwright/test'

const ROOT = path.join(import.meta.dirname, '..')

async function launchApp(userDataDir: string) {
  return electron.launch({
    args: [ROOT],
    env: {
      ...process.env,
      BILIN_E2E: '1',
      BILIN_E2E_USER_DATA: userDataDir
    }
  })
}

async function skipOnboarding(page: Page): Promise<void> {
  await page.waitForLoadState('domcontentloaded')
  await expect(page.locator('#app')).toBeVisible({ timeout: 20_000 })
  if (await page.getByText('欢迎使用笔临').isVisible()) {
    await page.getByRole('button', { name: '跳过' }).click()
    await expect(page.getByText('欢迎使用笔临')).toBeHidden({ timeout: 10_000 })
  }
}

async function createBookAndOpenEditor(page: Page, name: string): Promise<void> {
  await page.getByRole('button', { name: /新建书籍/ }).first().click()
  await page.locator('.dialog-content input').first().fill(name)
  await page.getByRole('button', { name: '创建' }).click()
  await expect(page.locator('#editor-layout')).toBeVisible({ timeout: 15_000 })
  await page.getByRole('button', { name: '+ 新章' }).click()
  await expect(page.locator('.ProseMirror')).toBeVisible({ timeout: 10_000 })
}

test.describe('Shortcuts', () => {
  let userDataDir: string

  test.beforeEach(() => {
    userDataDir = mkdtempSync(join(tmpdir(), 'bilin-e2e-shortcut-'))
  })

  test.afterEach(() => {
    if (userDataDir && existsSync(userDataDir)) {
      try {
        rmSync(userDataDir, { recursive: true, force: true, maxRetries: 3, retryDelay: 200 })
      } catch {
        /* ignore */
      }
    }
  })

  test('E2E-SHORTCUT: Ctrl+S saves, chapter/tab actions work, bindings visible', async () => {
    const app = await launchApp(userDataDir)
    const page = await app.firstWindow()
    await skipOnboarding(page)
    await createBookAndOpenEditor(page, '快捷键测试')

    const editor = page.locator('.ProseMirror')
    await editor.click()
    await editor.pressSequentially('快捷键保存测试')
    await page.keyboard.press('Control+S')
    await expect(page.getByText('已保存')).toBeVisible({ timeout: 10_000 })

    const chapterCountBefore = await page.locator('.chapter-item').count()
    await page.getByRole('button', { name: '+ 新章' }).click()
    await expect(page.locator('.chapter-item')).toHaveCount(chapterCountBefore + 1, { timeout: 10_000 })

    await page.locator('.tab.active').locator('span').last().click()
    await expect(page.locator('#editor-layout')).toBeHidden({ timeout: 10_000 })
    await expect(page.locator('#home-page')).toBeVisible()

    await page.getByRole('button', { name: /系统设置/ }).click()
    await page.locator('.settings-nav-item').filter({ hasText: /快捷键|Shortcuts/ }).click()
    await expect(page.getByTestId('shortcut-saveChapter')).toContainText('Ctrl+S')
    await expect(page.getByTestId('shortcut-newChapter')).toContainText('Ctrl+Shift+N')

    await app.close()
  })
})