import pytest
from unittest.mock import MagicMock, patch
import sys
from imgui_bundle import imgui_node_editor as ed

def test_imgui_node_editor_import():
    assert ed is not None
    assert hasattr(ed, "begin_node")
    assert hasattr(ed, "end_node")

def test_app_has_node_editor_attrs():
    from src.gui_2 import App
    # Use patch to avoid initializing the entire App
    with patch('src.app_controller.AppController'), \
         patch('src.gui_2.immapp.RunnerParams'), \
         patch('imgui_bundle.imgui_node_editor.create_editor'):
        app = App.__new__(App)
        # Manually set what we expect from __init__
        app.node_editor_config = ed.Config()
        app.node_editor_ctx = ed.create_editor(app.node_editor_config)
        app.ui_selected_ticket_id = None
        
        assert hasattr(app, 'node_editor_config')
        assert hasattr(app, 'node_editor_ctx')
        assert hasattr(app, 'ui_selected_ticket_id')

def test_node_id_stability():
    """Verify that node/pin IDs generated via hash are stable for the same input."""
    tid = "T-001"
    int_id = abs(hash(tid))
    in_pin_id = abs(hash(tid + "_in"))
    out_pin_id = abs(hash(tid + "_out"))
    
    # Re-generate and compare
    assert int_id == abs(hash(tid))
    assert in_pin_id == abs(hash(tid + "_in"))
    assert out_pin_id == abs(hash(tid + "_out"))
    
    # Verify uniqueness
    assert int_id != in_pin_id
    assert int_id != out_pin_id
    assert in_pin_id != out_pin_id

def test_link_id_stability():
    """Verify that link IDs are stable."""
    source_tid = "T-001"
    target_tid = "T-002"
    link_id = abs(hash(source_tid + "_" + target_tid))
    
    assert link_id == abs(hash(source_tid + "_" + target_tid))
    assert link_id != abs(hash(target_tid + "_" + source_tid))