import { defineConfig } from '@playwright/test';

// Deterministic e2e: the dev webServer runs with LLM_STUB=1 so the Express backend
// uses the canned, deterministic turn simulator (no live LLM in e2e — see
// server/stub.ts). Dev ports default to the spec values but can be overridden via
// VITE_PORT / HISTORY_API_PORT so the run can dodge a port another project holds.
const vitePort = Number(process.env.VITE_PORT ?? 5173);
const apiPort = Number(process.env.HISTORY_API_PORT ?? 4321);
const devUrl = `http://localhost:${vitePort}`;

export default defineConfig({
  testDir: './e2e',
  fullyParallel: false,
  workers: 1,
  timeout: 60000,
  expect: { timeout: 10000 },
  use: {
    baseURL: devUrl,
    headless: true,
  },
  webServer: {
    command: 'npm run dev',
    url: devUrl,
    reuseExistingServer: true,
    timeout: 120000,
    env: {
      LLM_STUB: '1',
      DATA_DIR: 'data/e2e',
      VITE_PORT: String(vitePort),
      HISTORY_API_PORT: String(apiPort),
    },
  },
});