import { describe, it, expect, beforeEach, afterEach } from 'vitest';
import * as fs from 'fs';
import * as path from 'path';
import * as os from 'os';
import { saveSession, loadSession, clearSession, SavedCookie } from './store';

describe('session store with OS keychain fallback', () => {
  const dummyCookies: SavedCookie[] = [
    {
      name: 'REPSESS',
      value: 'dummy_session_value',
      domain: 'atcoder.jp',
      path: '/',
      expires: Date.now() + 3600000,
      httpOnly: true,
      secure: true,
      sameSite: 'Lax',
    },
  ];

  const tmpDir = path.join(os.tmpdir(), 'atcoder-next-session-test-' + Date.now());

  beforeEach(() => {
    if (!fs.existsSync(tmpDir)) {
      fs.mkdirSync(tmpDir, { recursive: true });
    }
  });

  afterEach(() => {
    if (fs.existsSync(tmpDir)) {
      fs.rmSync(tmpDir, { recursive: true, force: true });
    }
  });

  it('should encrypt, save, and load session correctly', () => {
    saveSession(tmpDir, dummyCookies);
    const loaded = loadSession(tmpDir);

    expect(loaded).not.toBeNull();
    expect(loaded).toHaveLength(1);
    expect(loaded![0].name).toBe('REPSESS');
    expect(loaded![0].value).toBe('dummy_session_value');
  });

  it('should clear session correctly', () => {
    saveSession(tmpDir, dummyCookies);
    clearSession(tmpDir);
    const loaded = loadSession(tmpDir);

    expect(loaded).toBeNull();
  });
});