# sn_basis/functions/ly_visibility_wrapper.py

def is_layer_visible(layer) -> bool:
    if layer is None:
        return False

    visible = getattr(layer, "visible", None)
    if visible is not None:
        return bool(visible)

    try:
        is_visible = getattr(layer, "isVisible", None)
        if callable(is_visible):
            return bool(is_visible())
    except Exception:
        pass

    return False


def set_layer_visible(layer, visible: bool) -> bool:
    if layer is None:
        return False

    try:
        if hasattr(layer, "visible"):
            layer.visible = bool(visible)
            return True
    except Exception:
        pass

    try:
        node = getattr(layer, "treeLayer", lambda: None)()
        if node and callable(getattr(node, "setItemVisibilityChecked", None)):
            node.setItemVisibilityChecked(bool(visible))
            return True
    except Exception:
        pass

    return False