from os import listdir
from os.path import isdir, isfile, dirname, abspath, basename, join
from importlib import import_module
from ..dispatcher import dispatcher


def load_services(modules=None,
                  validate: bool=True):
    abs_here = dirname(abspath(__file__))
    here = basename(abs_here)
    module = basename(dirname(abs_here))
    if not modules:
        modules = listdir(abs_here)
    for filename in modules:
        absfilename = join(abs_here, filename)
        if isdir(absfilename) and isfile(join(absfilename, '__init__.py')):
            dispatcher.set_module(filename, import_module(f'.{here}.{filename}', module))
    if validate:
        dispatcher.validate()