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

/**
 * Playwright E2E Test Configuration
 * 
 * Run with: npm run test:e2e
 * UI mode: npm run test:e2e:ui
 */
export default defineConfig({
  testDir: './tests/e2e',
  
  // Run tests in parallel
  fullyParallel: true,
  
  // Fail CI if test.only is left in code
  forbidOnly: !!process.env.CI,
  
  // Retry on CI only
  retries: process.env.CI ? 2 : 0,
  
  // Parallel workers
  workers: process.env.CI ? 1 : undefined,
  
  // Reporter configuration
  reporter: [
    ['html', { outputFolder: 'playwright-report' }],
    ['list'],
  ],
  
  // Global settings
  use: {
    // Base URL for navigation
    baseURL: 'http://localhost:3003',
    
    // Collect trace on first retry
    trace: 'on-first-retry',
    
    // Screenshot on failure
    screenshot: 'only-on-failure',
    
    // Video on failure
    video: 'on-first-retry',
  },

  // Browser projects
  projects: [
    {
      name: 'chromium',
      use: { ...devices['Desktop Chrome'] },
    },
    // Uncomment to test on more browsers
    // {
    //   name: 'firefox',
    //   use: { ...devices['Desktop Firefox'] },
    // },
    // {
    //   name: 'webkit',
    //   use: { ...devices['Desktop Safari'] },
    // },
  ],

  // Start dev server before tests
  webServer: {
    command: 'npm run dev',
    url: 'http://localhost:3003',
    reuseExistingServer: !process.env.CI,
    timeout: 120000,
  },
});