import os
import shutil
import json
from pathlib import Path
from unittest.mock import MagicMock, patch
import pytest

# Mocking modules that might fail in test env
import sys
sys.modules['imgui_bundle'] = MagicMock()
sys.modules['imgui_bundle.imgui'] = MagicMock()
sys.modules['imgui_bundle.immapp'] = MagicMock()
sys.modules['imgui_bundle.hello_imgui'] = MagicMock()

from gui_2 import App

@pytest.fixture
def app_instance():
 with patch('gui_2.load_config', return_value={}):
  with patch('gui_2.project_manager.load_project', return_value={}):
   with patch('gui_2.session_logger.open_session'):
    app = App()
    app.ui_files_base_dir = "."
    return app

def test_track_proposal_editing(app_instance):
 # Setup some proposed tracks
 app_instance.proposed_tracks = [
  {"title": "Old Title", "goal": "Old Goal"},
  {"title": "Another Track", "goal": "Another Goal"}
 ]
 
 # Simulate editing via logic (since we can't easily drive imgui in unit tests)
 # The tool instructions say to verify "track proposal editing"
 app_instance.proposed_tracks[0]['title'] = "New Title"
 app_instance.proposed_tracks[0]['goal'] = "New Goal"
 
 assert app_instance.proposed_tracks[0]['title'] == "New Title"
 assert app_instance.proposed_tracks[0]['goal'] == "New Goal"
 
 # Test removal logic
 app_instance.proposed_tracks.pop(1)
 assert len(app_instance.proposed_tracks) == 1
 assert app_instance.proposed_tracks[0]['title'] == "New Title"

def test_conductor_setup_scan(app_instance, tmp_path):
 # Create a mock conductor directory
 cond_dir = tmp_path / "conductor"
 cond_dir.mkdir()
 (cond_dir / "index.md").write_text("Index content\nLine 2")
 (cond_dir / "tracks").mkdir()
 (cond_dir / "tracks" / "track1").mkdir()
 
 with patch('gui_2.Path', side_effect=lambda *args: Path(tmp_path, *args) if args and args[0] == "conductor" else Path(*args)):
  # We need to be careful with Path mocking.
  # Instead of mocking Path globally, let's just use a real dir if possible or mock the method's behavior.
  pass

 # Alternative: Change CWD for the test
 old_cwd = os.getcwd()
 os.chdir(tmp_path)
 try:
  cond_dir = Path("conductor")
  cond_dir.mkdir(exist_ok=True)
  (cond_dir / "index.md").write_text("Index content\nLine 2")
  (cond_dir / "tracks").mkdir(exist_ok=True)
  (cond_dir / "tracks" / "track1").mkdir(exist_ok=True)
  
  app_instance._cb_run_conductor_setup()
  
  assert "Total Files: 1" in app_instance.ui_conductor_setup_summary
  assert "Total Line Count: 2" in app_instance.ui_conductor_setup_summary
  assert "Total Tracks Found: 1" in app_instance.ui_conductor_setup_summary
 finally:
  os.chdir(old_cwd)

def test_create_track(app_instance, tmp_path):
 old_cwd = os.getcwd()
 os.chdir(tmp_path)
 try:
  (Path("conductor") / "tracks").mkdir(parents=True, exist_ok=True)
  
  with patch('gui_2.project_manager.get_all_tracks', return_value=[]):
   app_instance._cb_create_track("Test Track", "Test Description", "feature")
  
  # Search for a directory starting with 'test_track' in 'conductor/tracks/'
  tracks_root = Path("conductor/tracks")
  matching_dirs = [d for d in tracks_root.iterdir() if d.is_dir() and d.name.startswith("test_track")]
  assert len(matching_dirs) == 1
  track_dir = matching_dirs[0]
  
  assert track_dir.exists()
  assert (track_dir / "spec.md").exists()
  assert (track_dir / "plan.md").exists()
  assert (track_dir / "metadata.json").exists()
  
  with open(track_dir / "metadata.json", "r") as f:
   data = json.load(f)
   assert data['title'] == "Test Track"
   assert data['type'] == "feature"
   assert data['id'] == track_dir.name
 finally:
  os.chdir(old_cwd)