import pytest
from unittest.mock import MagicMock, patch
from pathlib import Path
from src.app_controller import AppController
from src.events import UserRequestEvent
from src import events

@pytest.fixture
def controller():
 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')
 ):
  c = AppController()
  # Mock necessary state
  c.ui_files_base_dir = "."
  c.event_queue = MagicMock()
  return c

def test_handle_request_event_appends_definitions(controller):
 # Setup
 file_items = [{"path": "src/models.py", "entry": "src/models.py"}]
 event = UserRequestEvent(
  prompt="Explain @Track object",
  stable_md="stable_md",
  file_items=file_items,
  disc_text="disc_text",
  base_dir="."
 )
 
 # Mock symbol helpers
 with (
  patch('src.app_controller.parse_symbols', return_value=["Track"]) as mock_parse,
   patch('src.app_controller.get_symbol_definition', return_value=("src/models.py", "class Track: pass", 42)) as mock_get_def,
  patch('src.ai_client.send') as mock_send
 ):
  # Execute
  controller._handle_request_event(event)
  
  # Verify
  mock_parse.assert_called_once_with("Explain @Track object")
  mock_get_def.assert_called_once()
  
  # Check if enriched prompt was sent to AI
  expected_suffix = "\n\n[Definition: Track from src/models.py (line 42)]\n```python\nclass Track: pass\n```"
  mock_send.assert_called_once()
  args, kwargs = mock_send.call_args
  sent_prompt = args[1]
  assert sent_prompt == "Explain @Track object" + expected_suffix

def test_handle_request_event_no_symbols(controller):
 # Setup
 file_items = [{"path": "src/models.py", "entry": "src/models.py"}]
 event = UserRequestEvent(
  prompt="Just a normal prompt",
  stable_md="stable_md",
  file_items=file_items,
  disc_text="disc_text",
  base_dir="."
 )
 
 with (
  patch('src.app_controller.parse_symbols', return_value=[]) as mock_parse,
  patch('src.ai_client.send') as mock_send
 ):
  # Execute
  controller._handle_request_event(event)
  
  # Verify
  mock_send.assert_called_once()
  args, kwargs = mock_send.call_args
  sent_prompt = args[1]
  assert sent_prompt == "Just a normal prompt"
