import { defineConfig, devices } from "@playwright/test";
import { readFileSync, existsSync, mkdirSync } from "node:fs";

// Playwright does not load Next's .env.local; the E2E run needs the real Jev key and a stable APP_SECRET.
if (existsSync(".env.local")) for (const line of readFileSync(".env.local", "utf8").split("\n")) {
  const m = /^([A-Z_]+)=(.*)$/.exec(line.trim());
  if (m && !process.env[m[1]]) process.env[m[1]] = m[2];
}
mkdirSync(".auth", { recursive: true });

export default defineConfig({
  testDir: "./tests-e2e",
  fullyParallel: false,             // one SQLite file, one app process
  workers: 1,
  retries: 0,
  timeout: 180_000,                 // real models are slow; say so with a timeout, not with retries
  reporter: [["list"]],
  use: { baseURL: "http://localhost:3000", trace: "retain-on-failure" },
  projects: [
    { name: "setup", testMatch: /auth\.setup\.ts/ },
    // The expensive specs are chromium-only (each real run costs ~30s of model time) and reuse the
    // session the setup project wrote.
    { name: "chromium", use: { ...devices["Desktop Chrome"] }, dependencies: ["setup"],
      testIgnore: /session\.spec\.ts/ },
    // Safari/WebKit only checks session survival: it is the one engine that refuses a Secure cookie on
    // http://localhost, which is exactly how the wizard "signed itself out" in a production build.
    { name: "webkit", use: { ...devices["Desktop Safari"] }, testMatch: /session\.spec\.ts/ },
    // A real model run costs ~40s; the mobile project only needs the layout checks, not a second full run.
    { name: "mobile", use: { ...devices["Pixel 7"] }, dependencies: ["setup"], testMatch: /responsive\.spec\.ts/ },
  ],
  webServer: { // Run the production server: the cookie flags and hydration behaviour differ from dev, and that
// difference hid a sign-out bug from a dev-only suite. `npm run pree2e` builds before this boots.
command: "npm run start", url: "http://localhost:3000/api/healthz", reuseExistingServer: false,
    timeout: 120_000,
    env: { DATA_DIR: ".playwright-data", APP_SECRET: process.env.APP_SECRET ?? "playwright-secret-value" } },
});