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

const WEB_PORT = 4173;
const API_PORT = 3135;
const WEB = `http://127.0.0.1:${WEB_PORT}`;

// Local runs read the repo-root .env (TEST_DATABASE_URL); CI sets real variables.
const envFile = fileURLToPath(new URL("../../.env", import.meta.url));
if (existsSync(envFile)) process.loadEnvFile(envFile);
const databaseUrl = process.env.TEST_DATABASE_URL;

/**
 * Browser tests against the production build (Phases 11–12): service worker,
 * install, offline, and end-to-end play against a real API server on the test
 * database. Run `pnpm build` first. The server clock is shared, and the
 * end-to-end tests move it forward, so tests run one at a time.
 */
export default defineConfig({
  testDir: "e2e",
  testMatch: "**/*.e2e.ts",
  workers: 1,
  fullyParallel: false,
  retries: process.env.CI ? 1 : 0,
  timeout: 120_000,
  use: { baseURL: WEB, ...devices["Desktop Chrome"] },
  webServer: [
    {
      // The API on the test database, migrated first; developer routes on (not production).
      command: "pnpm --filter @deadhead/server db:migrate && pnpm --filter @deadhead/server start",
      cwd: "../..",
      url: `http://127.0.0.1:${API_PORT}/api/health`,
      reuseExistingServer: !process.env.CI,
      timeout: 120_000,
      env: {
        NODE_ENV: "test",
        PORT: String(API_PORT),
        LOG_LEVEL: "warn",
        DATABASE_URL: databaseUrl ?? "",
        BETTER_AUTH_URL: WEB,
        BETTER_AUTH_SECRET:
          process.env.BETTER_AUTH_SECRET ?? "e2e-only-secret-not-for-production-use-0000",
        WORKERS_ENABLED: "false",
      },
    },
    {
      // The built app, with /api proxied to the server above (same origin, decision 0.5.20).
      command: `pnpm exec vite preview --port ${WEB_PORT} --strictPort --host 127.0.0.1`,
      url: WEB,
      reuseExistingServer: !process.env.CI,
      env: { API_PROXY_TARGET: `http://127.0.0.1:${API_PORT}` },
    },
  ],
});