import { mkdtempSync, rmSync, existsSync, statSync } from 'fs'
import { join } from 'path'
import { tmpdir } from 'os'
import { test, expect } from '@playwright/test'
import {
  launchApp,
  skipOnboarding,
  createBookAndOpenEditor,
  ensureChapterEditor,
  openExportModal,
  dismissCockpitIfOpen
} from './helpers'

test.describe('Export matrix', () => {
  let userDataDir: string
  let pdfPath: string

  test.beforeEach(() => {
    userDataDir = mkdtempSync(join(tmpdir(), 'bilin-e2e-matrix-'))
    pdfPath = join(userDataDir, 'chapter.pdf')
  })

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

  test('E2E-PDF-01: export chapter as PDF', async () => {
    const app = await launchApp(userDataDir, { BILIN_E2E_PDF_SAVE: pdfPath })
    const page = await app.firstWindow()
    await skipOnboarding(page)
    await createBookAndOpenEditor(page, 'PDF导出测试')
    await dismissCockpitIfOpen(page)
    await ensureChapterEditor(page)

    const editor = page.locator('.ProseMirror')
    await editor.click()
    await editor.pressSequentially('PDF导出测试正文。')
    await page.keyboard.press('Control+S')

    await openExportModal(page)
    await page.getByTestId('export-kind-select').selectOption('matrix')
    await page.getByTestId('export-matrix-format').selectOption('pdf')
    await page.getByTestId('export-matrix-scope').selectOption('chapter')
    await page.getByTestId('export-matrix-btn').click()
    await expect(page.getByText(/已保存|Saved to/)).toBeVisible({ timeout: 30_000 })

    expect(existsSync(pdfPath)).toBe(true)
    expect(statSync(pdfPath).size).toBeGreaterThan(500)

    await app.close()
  })
})