import os
import sys
from pathlib import Path

PROJECT_ROOT = Path(__file__).resolve().parent.parent
sys.path.append(str(PROJECT_ROOT.parent))
sys.path.append(str(PROJECT_ROOT))

# Define dummy classes to avoid metaclass conflicts
class DummyNodeSocket: pass
class DummyNode: pass
class DummyObject: pass
class DummyMesh: pass
class DummyNodeSocketShader: pass
class DummyNodeCustomGroup: pass
class DummyNodeTree: pass
class DummyOperator: pass
class DummyMenu: pass
class DummyPanel: pass
class DummyPropertyGroup: pass

from unittest.mock import MagicMock
mock_types = MagicMock()
mock_types.NodeSocket = DummyNodeSocket
mock_types.Node = DummyNode
mock_types.Object = DummyObject
mock_types.Mesh = DummyMesh
mock_types.NodeSocketShader = DummyNodeSocketShader
mock_types.NodeCustomGroup = DummyNodeCustomGroup
mock_types.NodeTree = DummyNodeTree
mock_types.Operator = DummyOperator
mock_types.Menu = DummyMenu
mock_types.Panel = DummyPanel
mock_types.PropertyGroup = DummyPropertyGroup

mock_bpy = MagicMock()
mock_bpy.context.scene = MagicMock()
mock_bpy.context.scene.unit_settings.scale_length = 0.001
mock_bpy.types = mock_types

sys.modules['bpy'] = mock_bpy
sys.modules['bpy.types'] = mock_types
sys.modules['bpy.props'] = MagicMock()
sys.modules['bpy.utils'] = MagicMock()
sys.modules['bpy.utils.previews'] = MagicMock()
sys.modules['bpy.app'] = MagicMock()
sys.modules['bpy.app.handlers'] = MagicMock()

import unittest
from NodeSlicer.tests.visual.visualize_path_operations import run_all_visualizations, OUTPUT_DIR, IMAGES_DIR

class TestVisualOperations(unittest.TestCase):
    def test_run_all_visual_path_operations(self):
        results = run_all_visualizations()
        self.assertGreater(len(results), 0)

        # Ensure index.html exists and has content
        index_html = os.path.join(OUTPUT_DIR, "index.html")
        self.assertTrue(os.path.exists(index_html))
        self.assertGreater(os.path.getsize(index_html), 100)

        # Ensure README.md exists and has content
        readme_md = os.path.join(OUTPUT_DIR, "README.md")
        self.assertTrue(os.path.exists(readme_md))
        self.assertGreater(os.path.getsize(readme_md), 100)

        # Ensure every image file exists and is non-empty, and status is PASS
        for r in results:
            self.assertEqual(r["status"], "PASS", f"Test {r['id']} ({r['title']}) failed")
            img_path = os.path.join(IMAGES_DIR, r["image"])
            self.assertTrue(os.path.exists(img_path), f"Image {img_path} not found")
            self.assertGreater(os.path.getsize(img_path), 1000, f"Image {img_path} is too small")

if __name__ == '__main__':
    unittest.main()