import { describe, it, expect, vi, beforeEach } from 'vitest';

// Mock the Tauri store before importing the module under test
vi.mock('@tauri-apps/plugin-store', () => {
  const mockStore = {
    get: vi.fn().mockResolvedValue(null),
    set: vi.fn().mockResolvedValue(undefined),
    save: vi.fn().mockResolvedValue(undefined),
  };
  return {
    load: vi.fn().mockResolvedValue(mockStore),
    Store: vi.fn(),
  };
});

describe('preferences store — appMode', () => {
  beforeEach(() => {
    vi.resetModules();
  });

  it('defaults appMode to clipper', async () => {
    const { preferences } = await import('$lib/stores/preferences.svelte');
    expect(preferences.appMode).toBe('clipper');
  });

  it('setAppMode updates appMode to player', async () => {
    const { preferences, setAppMode } = await import('$lib/stores/preferences.svelte');
    await setAppMode('player');
    expect(preferences.appMode).toBe('player');
  });

  it('setAppMode updates appMode back to clipper', async () => {
    const { preferences, setAppMode } = await import('$lib/stores/preferences.svelte');
    await setAppMode('player');
    await setAppMode('clipper');
    expect(preferences.appMode).toBe('clipper');
  });
});