import pytest
from unittest.mock import MagicMock, patch
from src.gui_2 import App
from src.events import UserRequestEvent

@pytest.fixture
def mock_gui() -> App:
 with (
  patch('src.app_controller.AppController.load_config', return_value={
    "ai": {"provider": "gemini", "model": "model-1"},
    "projects": {"paths": [], "active": ""},
    "gui": {"show_windows": {}}
   }),
  patch('src.project_manager.load_project', return_value={}),
  patch('src.project_manager.migrate_from_legacy_config', return_value={}),
  patch('src.project_manager.save_project'),
  patch('src.session_logger.open_session'),
  patch('src.session_logger.reset_session'),
  patch('src.app_controller.AppController._init_ai_and_hooks'),
  patch('src.app_controller.AppController._fetch_models')
 ):
  gui = App()
  return gui

def test_handle_generate_send_pushes_event(mock_gui: App) -> None:
 mock_gui.controller._do_generate = MagicMock(return_value=(
   "full_md", "path", [], "stable_md", "disc_text"
  ))
 mock_gui.controller.ui_ai_input = "test prompt"
 mock_gui.controller.ui_files_base_dir = "."
 # Mock event_queue.put
 mock_gui.controller.event_queue.put = MagicMock()
 
 # No need to mock asyncio.run_coroutine_threadsafe now, it's a standard thread
 # Production code: self._io_pool.submit_io(worker) (see
 # src/app_controller.py:_handle_generate_send). Patch submit_io
 # to capture the worker function instead of the io_pool's
 # background thread, so we can run the worker synchronously.
 with patch.object(mock_gui.controller, 'submit_io') as mock_submit:
  # Verify a job was submitted to the io_pool
  mock_gui.controller._handle_generate_send()
  mock_gui.controller._handle_generate_send()
  print(f"[DBG] mock_submit.called: {mock_submit.called}", file=__import__('sys').stderr)
  target_worker = mock_submit.call_args[0][0]
  target_worker()
  
  # Verify the call to event_queue.put occurred.
  mock_gui.controller.event_queue.put.assert_called_once()
  args, kwargs = mock_gui.controller.event_queue.put.call_args
  assert args[0] == "user_request"
  event = args[1]
  assert isinstance(event, UserRequestEvent)
  assert event.prompt == "test prompt"
  assert event.stable_md == "stable_md"
  assert event.disc_text == "disc_text"
  assert event.base_dir == "."

def test_user_request_event_payload() -> None:
 payload = UserRequestEvent(
  prompt="hello",
  stable_md="md",
  file_items=[],
  disc_text="disc",
  base_dir="."
 )
 d = payload.to_dict()
 assert d["prompt"] == "hello"
 assert d["stable_md"] == "md"
 assert d["file_items"] == []
 assert d["disc_text"] == "disc"
 assert d["base_dir"] == "."

def test_sync_event_queue() -> None:
 from src.events import SyncEventQueue
 q = SyncEventQueue()
 q.put("test_event", {"data": 123})
 name, payload = q.get()
 assert name == "test_event"
 assert payload["data"] == 123
