import pkg_resources
from MoinMoin import wikiutil
from MoinMoin.config import multiconfig


class SetuptoolsPluginLoader(multiconfig.DefaultConfig):

    # TODO: Docs

    # TODO: Skip loading if true
    setuptools_load_plugins = False

    # TODO: Both are empty? Include all
    # TODO: Both are non-empty? Error
    # TODO: Only include? Load only those plugins
    # TODO: Only exclude? Load all plugins except those ones
    setuptools_plugins_include = []
    setuptools_plugins_exclude = []

    # list(p.working_set)[4].get_entry_map().values()[0].values()[1]
    #   .dist.project_name
    # p.get_distribution("foo")

    _plugin_types = [
        "action", "converter", "events", "filter", "formatter",
        "macro", "parser", "theme", "userprefs", "xmlrpc"]

    def __init__(self, siteid):
        super(SetuptoolsPluginLoader, self).__init__(siteid)

        for kind in self._plugin_types:
            wikiutil.wikiPlugins(kind, self)
            self._load_setuptools_plugins(kind)

    def _load_setuptools_plugins(self, kind):
        entry_key = "moin.plugins.{}".format(kind)

        for point in pkg_resources.iter_entry_points(entry_key):
            point.load()
            trimmed_name = ".".join(point.module_name.split(".")[:-1])
            self._site_plugin_lists[kind][point.name] = trimmed_name