import { defineConfig, devices } from '@playwright/test'
import path from 'path'

const LOGGED_OUT = { storageState: undefined }

// Script lives in AK-Docs/03.Testing/05.Scripts/{repo}/ but binary evidence (screenshots,
// video, trace.zip, results.json) must land in AK-Docs/03.Testing/04.Evidence/ instead —
// that folder is gitignored (binaries, never committed) while this script folder is not.
// See execute-flow SKILL.md "Cấu trúc thư mục đầu ra". The AI sets EVIDENCE_DIR per run
// (03.Testing/04.Evidence/{repo}/{featureDir}/run-{N}) when invoking `npx playwright test`.
const evidenceDir = process.env.EVIDENCE_DIR
  ? path.resolve(process.env.EVIDENCE_DIR)
  : path.resolve(__dirname, 'test-results')

// Chromium is the default and the only browser routinely validated for evidence quality —
// WebKit/Firefox render fonts differently (esp. CJK on Linux, missing system font fallback),
// which is a known source of blank-glyph/low-quality evidence screenshots. Only override via
// PW_BROWSER when the tester has explicitly confirmed they want a non-Chromium run (see
// execute-flow SKILL.md pre-flight check item 5).
const PW_DEVICE_BY_BROWSER = {
  chromium: devices['Desktop Chrome'],
  webkit: devices['Desktop Safari'],
  firefox: devices['Desktop Firefox'],
}
const browserName = (process.env.PW_BROWSER || 'chromium').toLowerCase()
const browserDevice = PW_DEVICE_BY_BROWSER[browserName]
if (!browserDevice) {
  throw new Error(
    `PW_BROWSER="${browserName}" không hợp lệ. Chỉ hỗ trợ: ${Object.keys(PW_DEVICE_BY_BROWSER).join(', ')}.`
  )
}

export default defineConfig({
  testDir: '.',
  outputDir: evidenceDir,
  fullyParallel: false,
  forbidOnly: !!process.env.CI,
  retries: 1, // absorb transient timing flakes before reporting FAIL — see "DOM Verification Rules"
  workers: 1,
  // Default 30s is too tight for TCs that call captureStepEvidence() many times in one test (e.g.
  // asserting sort direction across every sortable column) — each call's waitForUiSettled() adds
  // real, deliberate wait time (see evidence-helper.ts) in exchange for not screenshotting mid-
  // spinner/mid-animation. A loop-heavy TC that was already close to 30s (~26s observed on
  // MFG113's 14-capture sort test) can then time out on infra grounds alone, with no app defect.
  timeout: 60_000,
  reporter: [
    ['json', { outputFile: path.join(evidenceDir, 'results.json') }],
    ['html', { outputFolder: path.join(evidenceDir, 'html-report'), open: 'never' }],
    ['list'],
  ],
  use: {
    baseURL: process.env.BASE_URL || 'http://localhost:3000',
    trace: 'retain-on-failure',
    // Manual per-step screenshots come from captureStepEvidence() in evidence-helper.ts —
    // this stays 'only-on-failure' so it doesn't duplicate/clash with those step-NN-*.png files.
    screenshot: 'only-on-failure',
    video: 'retain-on-failure',
    headless: !process.env.HEADED,
    // Higher device scale factor = sharper text in evidence, especially Kanji/Katakana.
    deviceScaleFactor: 2,
    // Set to the app's actual UI locale so date/number formatting and font fallback match
    // what the browser renders in production — mismatched locale is a common cause of
    // "screenshot color/rendering doesn't match what I see in my own browser" reports.
    locale: process.env.UI_LOCALE || 'ja-JP',
    viewport: { width: 1440, height: 900 },
    // Stops CSS/JS animations from being mid-transition when a screenshot fires.
    reducedMotion: 'reduce',
  },
  projects: [
    // Uncomment nếu cần auth setup:
    // { name: 'setup', testMatch: /auth\.setup\.ts/ },
    {
      name: browserName,
      use: {
        ...browserDevice,
        // storageState: '.auth/user.json', // uncomment nếu cần auth
      },
      // dependencies: ['setup'], // uncomment nếu cần auth
    },
  ],
})

export { LOGGED_OUT }