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import os
from itertools import chain
from typing import Iterable, Dict
from importlib.util import find_spec

from systemds.utils.consts import MODULE_NAME


def create_params_string(unnamed_parameters: Iterable[str], named_parameters: Dict[str, str]) -> str:
    """
    Creates a string for providing parameters in dml. Basically converts both named and unnamed parameter
    to a format which can be used in a dml function call.

    :param unnamed_parameters: the unnamed parameter variables
    :param named_parameters: a dictionary of parameter names and variable names
    :return: the string to represent all parameters
    """
    named_input_strs = (f'{k}={v}' for (k, v) in named_parameters.items())
    return ','.join(chain(unnamed_parameters, named_input_strs))


def get_module_dir() -> os.PathLike:
    """
    Gives the path to our module

    :return: path to our module
    """
    spec = find_spec(MODULE_NAME)
    return spec.submodule_search_locations[0]