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

// Override with E2E_PORT when something else already occupies 3000 — otherwise
// reuseExistingServer would silently run the suite against that foreign server.
const PORT = Number(process.env.E2E_PORT ?? 3000)
const BASE_URL = `http://localhost:${PORT}`

export default defineConfig({
  testDir: './tests',
  fullyParallel: true,
  forbidOnly: !!process.env.CI,
  retries: process.env.CI ? 2 : 0,
  reporter: process.env.CI ? 'list' : 'html',
  use: {
    baseURL: BASE_URL,
    trace: 'on-first-retry',
  },
  // Both projects run on the chromium binary, so `npx playwright install chromium`
  // is enough for the whole suite.
  projects: [
    { name: 'desktop', use: { ...devices['Desktop Chrome'] } },
    { name: 'mobile', use: { ...devices['Pixel 5'] } },
  ],
  webServer: {
    command: `npm run dev -- --port ${PORT}`,
    url: BASE_URL,
    reuseExistingServer: !process.env.CI,
    timeout: 120_000,
  },
})