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

// E2E_METRO_PORT is set dynamically by global-setup.ts after finding a free port
// This allows multiple test runs in parallel across different worktrees
const baseURL = process.env.E2E_BASE_URL ?? `http://localhost:${process.env.E2E_METRO_PORT ?? '8081'}`;

export default defineConfig({
  testDir: './e2e',
  globalSetup: './e2e/global-setup.ts',
  timeout: 60_000,
  expect: {
    timeout: 10_000,
  },
  // E2E tests share a single daemon/relay/metro stack from global setup.
  // Running tests concurrently causes cross-test contention and non-deterministic failures.
  fullyParallel: false,
  workers: 1,
  retries: process.env.CI ? 1 : 0,
  reporter: [['list']],
  use: {
    baseURL,
    trace: 'retain-on-failure',
    screenshot: 'only-on-failure',
    video: 'retain-on-failure',
  },
  projects: [
    {
      name: 'Desktop Chrome',
      use: { ...devices['Desktop Chrome'] },
    },
  ],
  // Note: Metro is started by global-setup.ts on a dynamic port to allow parallel test runs
});