import { defineConfig } from '@playwright/test';

// Screenshot testing against the existing Vite dev harness (localhost:5199).
// Each `data-shot` section of /screenshots.html becomes one reference image
// under tests/screenshots/reference/. Refs are generated on first run; on
// changes regenerate them with `npm run test:screenshots:update`.
export default defineConfig({
  testDir: './tests',
  fullyParallel: false,
  snapshotPathTemplate: '{testDir}/screenshots/reference/{arg}{ext}',
  expect: {
    toHaveScreenshot: {
      // Freeze spinners / transitions so animated states render deterministically.
      animations: 'disabled',
    },
  },
  use: {
    baseURL: 'http://localhost:5199',
    viewport: { width: 1200, height: 800 },
    screenshot: 'off',
  },
  webServer: {
    command: 'npm run dev',
    url: 'http://localhost:5199',
    reuseExistingServer: !process.env.CI,
    timeout: 60_000,
  },
});