import sys
import types


if "netbox.plugins" not in sys.modules:
    netbox = types.ModuleType("netbox")
    plugins = types.ModuleType("netbox.plugins")

    class PluginConfig:
        def ready(self):
            return None

    class PluginMenu:
        def __init__(self, label, groups, icon_class=None):
            self.label = label
            self.groups = groups
            self.icon_class = icon_class

    class PluginMenuItem:
        def __init__(
            self,
            link,
            link_text,
            auth_required=False,
            staff_only=False,
            permissions=None,
            buttons=None,
        ):
            self.link = link
            self.link_text = link_text
            self.auth_required = auth_required
            self.staff_only = staff_only
            self.permissions = permissions or []
            self.buttons = buttons or []

    plugins.PluginConfig = PluginConfig
    plugins.PluginMenu = PluginMenu
    plugins.PluginMenuItem = PluginMenuItem
    netbox.plugins = plugins
    sys.modules["netbox"] = netbox
    sys.modules["netbox.plugins"] = plugins