import pytest
import json
from unittest.mock import patch, MagicMock
import threading
import time
from gui_2 import App

@pytest.fixture
def app_instance() -> None:
 with (
  patch('gui_2.load_config', return_value={'ai': {}, 'projects': {}}),
  patch('gui_2.save_config'),
  patch('gui_2.project_manager'),
  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()
  # Initialize the new state variables if they aren't there yet (they won't be until we implement them)
  if not hasattr(app, 'ui_epic_input'): app.ui_epic_input = ""
  if not hasattr(app, 'proposed_tracks'): app.proposed_tracks = []
  if not hasattr(app, '_show_track_proposal_modal'): app._show_track_proposal_modal = False
  yield app

def test_mma_ui_state_initialization(app_instance: App) -> None:
 """Verifies that the new MMA UI state variables are initialized correctly."""
 assert hasattr(app_instance, 'ui_epic_input')
 assert hasattr(app_instance, 'proposed_tracks')
 assert hasattr(app_instance, '_show_track_proposal_modal')
 assert hasattr(app_instance, 'mma_streams')
 assert app_instance.ui_epic_input == ""
 assert app_instance.proposed_tracks == []
 assert app_instance._show_track_proposal_modal is False
 assert app_instance.mma_streams == {}

def test_process_pending_gui_tasks_show_track_proposal(app_instance: App) -> None:
 """Verifies that the 'show_track_proposal' action correctly updates the UI state."""
 mock_tracks = [{"id": "track_1", "title": "Test Track"}]
 task = {
  "action": "show_track_proposal",
  "payload": mock_tracks
 }
 app_instance._pending_gui_tasks.append(task)
 app_instance._process_pending_gui_tasks()
 assert app_instance.proposed_tracks == mock_tracks
 assert app_instance._show_track_proposal_modal is True

def test_cb_plan_epic_launches_thread(app_instance: App) -> None:
 """Verifies that _cb_plan_epic launches a thread and eventually queues a task."""
 app_instance.ui_epic_input = "Develop a new feature"
 app_instance.active_project_path = "test_project.toml"
 mock_tracks = [{"id": "track_1", "title": "Test Track"}]
 with (
  patch('orchestrator_pm.get_track_history_summary', return_value="History summary") as mock_get_history, 
  patch('orchestrator_pm.generate_tracks', return_value=mock_tracks) as mock_gen_tracks, 
  patch('aggregate.build_file_items', return_value=[]) as mock_build_files
 ):
 # We need to mock project_manager.flat_config and project_manager.load_project
  with (
   patch('project_manager.load_project', return_value={}), 
   patch('project_manager.flat_config', return_value={})
  ):
   app_instance._cb_plan_epic()
   # Wait for the background thread to finish (it should be quick with mocks)
   max_wait = 5
   start_time = time.time()
   while len(app_instance._pending_gui_tasks) < 3 and time.time() - start_time < max_wait:
    time.sleep(0.1)
   assert len(app_instance._pending_gui_tasks) == 3
   task0 = app_instance._pending_gui_tasks[0]
   assert task0['action'] == 'custom_callback'
   task1 = app_instance._pending_gui_tasks[1]
   assert task1['action'] == 'handle_ai_response'
   assert task1['payload']['stream_id'] == 'Tier 1'
   assert task1['payload']['text'] == json.dumps(mock_tracks, indent=2)
   task2 = app_instance._pending_gui_tasks[2]
   assert task2['action'] == 'show_track_proposal'
   assert task2['payload'] == mock_tracks
   mock_get_history.assert_called_once()
   mock_gen_tracks.assert_called_once()

def test_process_pending_gui_tasks_mma_spawn_approval(app_instance: App) -> None:
 """Verifies that the 'mma_spawn_approval' action correctly updates the UI state."""
 task = {
  "action": "mma_spawn_approval",
  "ticket_id": "T1",
  "role": "Tier 3 Worker",
  "prompt": "Test Prompt",
  "context_md": "Test Context",
  "dialog_container": [None]
 }
 app_instance._pending_gui_tasks.append(task)
 app_instance._process_pending_gui_tasks()
 assert app_instance._pending_mma_spawn == task
 assert app_instance._mma_spawn_prompt == "Test Prompt"
 assert app_instance._mma_spawn_context == "Test Context"
 assert app_instance._mma_spawn_open is True
 assert app_instance._mma_spawn_edit_mode is False
 assert task["dialog_container"][0] is not None
 assert task["dialog_container"][0]._ticket_id == "T1"

def test_handle_ai_response_with_stream_id(app_instance: App) -> None:
 """Verifies routing to mma_streams."""
 task = {
  "action": "handle_ai_response",
  "payload": {
   "text": "Tier 1 Strategy Content",
   "stream_id": "Tier 1",
   "status": "Thinking..."
  }
 }
 app_instance._pending_gui_tasks.append(task)
 app_instance._process_pending_gui_tasks()
 assert app_instance.mma_streams.get("Tier 1") == "Tier 1 Strategy Content"
 assert app_instance.ai_status == "Thinking..."
 assert app_instance.ai_response == ""

def test_handle_ai_response_fallback(app_instance: App) -> None:
 """Verifies fallback to ai_response when stream_id is missing."""
 task = {
  "action": "handle_ai_response",
  "payload": {
   "text": "Regular AI Response",
   "status": "done"
  }
 }
 app_instance._pending_gui_tasks.append(task)
 app_instance._process_pending_gui_tasks()
 assert app_instance.ai_response == "Regular AI Response"
 assert app_instance.ai_status == "done"
 assert len(app_instance.mma_streams) == 0