import { describe, it, expect, vi, beforeEach, afterEach } from 'vitest';
import { useAuth } from '../../../src/composables/useAuth.js';

/**
 * Tests for useAuth composable
 * Tests authentication state management
 */
describe('useAuth Composable', () => {
  beforeEach(() => {
    // Clear localStorage
    localStorage.clear();

    // Mock apiClient
    vi.mock('../../../src/utilities/api-client.js', () => ({
      apiClient: {
        post: vi.fn(),
        get: vi.fn(),
        setDefaultHeader: vi.fn(),
        removeDefaultHeader: vi.fn()
      }
    }));
  });

  afterEach(() => {
    localStorage.clear();
    vi.clearAllMocks();
  });

  it('creates useAuth composable', () => {
    const auth = useAuth();
    expect(auth).toBeDefined();
    expect(auth.token).toBeDefined();
    expect(auth.user).toBeDefined();
  });

  it('has authentication state properties', () => {
    const auth = useAuth();

    expect(auth.token.value).toBeNull();
    expect(auth.user.value).toBeNull();
    expect(auth.isAuthenticated.value).toBe(false);
    expect(auth.isAdmin.value).toBe(false);
  });

  it('has authentication methods', () => {
    const auth = useAuth();

    expect(typeof auth.login).toBe('function');
    expect(typeof auth.logout).toBe('function');
    expect(typeof auth.initializeAuth).toBe('function');
    expect(typeof auth.hasPermission).toBe('function');
  });

  it('exports setupAuthInterceptor function', () => {
    const auth = useAuth();
    expect(typeof auth.setupAuthInterceptor).toBe('function');
  });

  it('has hasPermission method', () => {
    const auth = useAuth();

    // Should handle missing user
    expect(auth.hasPermission('admin')).toBe(false);
  });

  it('initializes with no token by default', () => {
    const auth = useAuth();
    expect(auth.token.value).toBeNull();
    expect(auth.isAuthenticated.value).toBe(false);
  });

  it('has isLoading and error state', () => {
    const auth = useAuth();
    expect(auth.isLoading.value).toBe(false);
    expect(auth.error.value).toBeNull();
  });
});