import { defineConfig, devices } from '@playwright/test';
import { fileURLToPath } from 'url';
import path from 'path';

const __dirname = path.dirname(fileURLToPath(import.meta.url));

/**
 * Read environment variables from file.
 * https://github.com/motdotla/dotenv
 */
// import dotenv from 'dotenv';
// import path from 'path';
// dotenv.config({ path: path.resolve(__dirname, '.env') });

/**
 * See https://playwright.dev/docs/test-configuration.
 */
export default defineConfig({
  testDir: './tests',
  /* Run tests in files in parallel */
  timeout: 60000,                   // timeout ต่อ test (ms)
  fullyParallel: true,
  /* Fail the build on CI if you accidentally left test.only in the source code. */
  forbidOnly: !!process.env.CI,
  /* Retry on CI only */
  retries: process.env.CI ? 2 : 0,
  /* Opt out of parallel tests on CI. */
  // workers: process.env.CI ? 1 : undefined,
  workers: 1,

  /* Reporter to use. See https://playwright.dev/docs/test-reporters */
  reporter: 'html',
  /* Shared settings for all the projects below. See https://playwright.dev/docs/api/class-testoptions. */
  use: {
    baseURL: 'http://localhost:3000/',// ปรับเป็น URL ที่ทดสอบ
    headless: false,                  // false = เห็น browser ขณะรัน
    screenshot: 'only-on-failure',   // เก็บ screenshot เมื่อ fail
    trace: 'retain-on-failure',       // เก็บ trace เพื่อดีบักเมื่อ fail
    // launchOptions: {
    //   slowMo: 1000,
    // },          // ช้าลง 10 วินาที
  },

  /* ──── Setup Projects: login ครั้งเดียว แล้ว save cookies ──── */
  projects: [
    {
      name: 'admin-setup',
      testMatch: /admin\.setup\.ts/,
      testDir: './tests',
    },
    {
      name: 'instructor-setup',
      testMatch: /instructor\.setup\.ts/,
      testDir: './tests',
    },

    /* ──── Auth tests: ไม่ต้อง login ก่อน ──── */
    {
      name: 'auth-tests',
      testDir: './tests/auth',
      use: { ...devices['Desktop Chrome'] },
    },

    /* ──── Admin tests: ใช้ cookies จาก admin-setup ──── */
    {
      name: 'admin-tests',
      testDir: './tests/admin',
      use: {
        ...devices['Desktop Chrome'],
        storageState: path.resolve(__dirname, 'tests/.auth/admin.json'),
      },
      dependencies: ['admin-setup'],
    },

    /* ──── Instructor tests: ใช้ cookies จาก instructor-setup ──── */
    {
      name: 'instructor-tests',
      testDir: './tests/instructor',
      use: {
        ...devices['Desktop Chrome'],
        storageState: path.resolve(__dirname, 'tests/.auth/instructor.json'),
      },
      dependencies: ['instructor-setup'],
    },
  ],

  /* Run your local dev server before starting the tests */
  // webServer: {
  //   command: 'npm run start',
  //   url: 'http://localhost:3000',
  //   reuseExistingServer: !process.env.CI,
  // },
});