import pytest
from unittest.mock import patch, MagicMock
from gui_2 import App

@pytest.fixture
def app_instance():
    # We patch the dependencies of App.__init__ to avoid side effects
    with (
        patch('gui_2.load_config', return_value={'ai': {}, 'projects': {}}),
        patch('gui_2.save_config'),
        patch('gui_2.project_manager') as mock_pm,
        patch('gui_2.session_logger'),
        patch('gui_2.immapp.run'),
        patch.object(App, '_load_active_project'),
        patch.object(App, '_fetch_models'),
        patch.object(App, '_load_fonts'),
        patch.object(App, '_post_init')
    ):
        app = App()
        # Ensure project and ui_files_base_dir are set for _refresh_from_project
        app.project = {}
        app.ui_files_base_dir = "."
        # Return the app and the mock_pm for use in tests
        yield app, mock_pm

def test_mma_dashboard_refresh(app_instance):
    app, mock_pm = app_instance
    
    # 1. Define mock tracks
    mock_tracks = [
        MagicMock(id="track_1", description="Track 1"),
        MagicMock(id="track_2", description="Track 2")
    ]
    
    # 2. Patch get_all_tracks to return our mock list
    mock_pm.get_all_tracks.return_value = mock_tracks
    
    # 3. Call _refresh_from_project
    app._refresh_from_project()
    
    # 4. Verify that app.tracks contains the mock tracks
    assert hasattr(app, 'tracks'), "App instance should have a 'tracks' attribute"
    assert app.tracks == mock_tracks
    assert len(app.tracks) == 2
    assert app.tracks[0].id == "track_1"
    assert app.tracks[1].id == "track_2"
    
    # Verify get_all_tracks was called with the correct base_dir
    mock_pm.get_all_tracks.assert_called_with(app.ui_files_base_dir)

def test_mma_dashboard_initialization_refresh(app_instance):
    """
    Checks that _refresh_from_project is called during initialization if 
    _load_active_project is NOT mocked to skip it (but here it IS mocked in fixture).
    This test verifies that calling it manually works as expected for initialization scenarios.
    """
    app, mock_pm = app_instance
    
    mock_tracks = [MagicMock(id="init_track", description="Initial Track")]
    mock_pm.get_all_tracks.return_value = mock_tracks
    
    # Simulate the refresh that would happen during a project load
    app._refresh_from_project()
    
    assert app.tracks == mock_tracks
    assert app.tracks[0].id == "init_track"