import { defineConfig, devices } from "@playwright/test";
import { execFileSync } from "node:child_process";

function resolveChromePath(): string | undefined {
  if (process.env.CHROME_PATH) return process.env.CHROME_PATH;
  try { return execFileSync("which", ["google-chrome"], { encoding: "utf8" }).trim() || undefined; }
  catch { return undefined; }
}

const chromePath = resolveChromePath();

const testPort = Number.parseInt(process.env.WEB_TEST_PORT ?? "5174", 10) || 5174;
const testOrigin = `http://127.0.0.1:${testPort}`;

export default defineConfig({
  testDir: "tests/e2e",
  testMatch: "cross-browser.spec.ts",
  timeout: 45_000,
  expect: { timeout: 15_000 },
  fullyParallel: false,
  reporter: [["list"]],
  projects: [
    { name: "chromium", use: { ...devices["Desktop Chrome"], launchOptions: { ...(chromePath ? { executablePath: chromePath } : {}), args: ["--no-sandbox", "--use-gl=swiftshader", "--enable-unsafe-swiftshader"] } } },
  ],
  use: {
    baseURL: testOrigin,
    headless: true,
    screenshot: "only-on-failure",
    trace: "retain-on-failure",
  },
  webServer: {
    command: `npm run dev -- --host 127.0.0.1 --port ${testPort} --strictPort`,
    url: testOrigin,
    reuseExistingServer: false,
    timeout: 30_000,
  },
});