"""Test-time stubs so the suite can run outside a full ComfyUI installation.

Every stub is installed only when the real module is NOT importable, so this
file has no effect when tests run inside an environment that has ComfyUI on
sys.path.
"""

import importlib.util
import sys
import types


def _module_available(name: str) -> bool:
    try:
        return importlib.util.find_spec(name) is not None
    except (ImportError, ValueError, ModuleNotFoundError):
        return False


if not _module_available("folder_paths"):
    folder_paths = types.ModuleType("folder_paths")
    folder_paths.models_dir = ""
    folder_paths.base_path = ""
    folder_paths.get_folder_paths = lambda *a, **k: []
    folder_paths.get_filename_list = lambda *a, **k: []
    folder_paths.get_full_path = lambda *a, **k: None
    folder_paths.get_directory_by_type = lambda *a, **k: None
    folder_paths.get_output_directory = lambda *a, **k: None
    folder_paths.get_temp_directory = lambda *a, **k: None
    folder_paths.get_input_directory = lambda *a, **k: None
    folder_paths.get_save_image_path = lambda *a, **k: ("", "", 0, "", "")
    sys.modules["folder_paths"] = folder_paths