import unittest.mock
from unittest.mock import MagicMock, patch
from src.gui_2 import App, render_ast_inspector_modal
from src import models

def test_ast_inspector_line_range_parsing():
 # 1. Setup mock App instance
 app = MagicMock(spec=App)
 app._show_ast_inspector = True
 app.show_structural_editor_modal = True
 app.ui_inspecting_ast_file = models.FileItem(path="test.py")
 app.ui_editing_slices_file = app.ui_inspecting_ast_file
 app._cached_ast_file_path = ""
 app._cached_ast_nodes = []
 app._cached_ast_file_lines = []
 app.text_viewer_content = ""
 
 # Setup mock controller
 app.controller = MagicMock()
 app.controller.active_project_path = "C:/projects/test/manual_slop.toml"
 app.controller.project = {"context_tags": ["auto-ast", "bug"]}
 
 # 2. Define mock outline string with line ranges
 mock_outline = "[Func] foo (Lines 10-20)\n  [Class] Bar (Lines 30-50)"
 
 # 3. Patch imgui and mcp_client
 with patch("src.gui_2.imgui") as mock_imgui, \
      patch("src.gui_2.imscope") as mock_imscope, \
      patch("src.gui_2.mcp_client.py_get_code_outline", return_value=mock_outline), \
      patch("src.gui_2.mcp_client.read_file", return_value="test content"):
  
  # begin_popup_modal needs to return (expanded, opened)
  mock_imgui.begin_popup_modal.return_value = (True, True)
  # begin_child returns True usually
  mock_imgui.begin_child.return_value = True
  # radio_button returns (changed, active)
  mock_imgui.radio_button.return_value = (False, False)
  mock_imgui.get_content_region_avail.return_value.y = 800.0
  mock_imgui.get_frame_height_with_spacing.return_value = 24.0
  mock_imgui.get_style.return_value.window_padding = mock_imgui.ImVec2(8,8)
  
  # Setup imscope mocks
  mock_imscope.window.return_value.__enter__.return_value = (True, True)
  mock_imscope.child.return_value.__enter__.return_value = True
  mock_imscope.table.return_value.__enter__.return_value = True
  mock_imscope.tree_node_ex.return_value.__enter__.return_value = True
  mock_imscope.tab_item.return_value.__enter__.return_value = (True, True)
  mock_imscope.style_color.return_value.__enter__.return_value = None
  mock_imscope.style_var.return_value.__enter__.return_value = None
  
  # 4. Call the method
  render_ast_inspector_modal(app)
  
  # 5. Assertions
  assert len(app._cached_ast_nodes) == 2
  
  node1 = app._cached_ast_nodes[0]
  assert node1['name'] == "foo"
  assert node1['kind'] == "Func"
  assert node1['start_line'] == 10
  assert node1['end_line'] == 20
  
  node2 = app._cached_ast_nodes[1]
  assert node2['name'] == "Bar"
  assert node2['kind'] == "Class"
  assert node2['start_line'] == 30
  assert node2['end_line'] == 50
