import configparser
import os
from pathlib import Path
from typing import Dict

# We read a configuration file for university setup that is located
# in $XDG_CONFIG_HOME/university-setup/config.cfg
# We follow standard configparser procedure


def get_config_file():
    if 'XDG_CONFIG_HOME' in os.environ.keys():
        xdg_config_home = Path(os.environ['XDG_CONFIG_HOME']).resolve()
    else:
        xdg_config_home = Path('~/.config').resolve()
    return xdg_config_home / 'university-setup' / 'config.cfg'


def get_config(section_name: str = 'Subprocess') -> Dict:
    parser = configparser.RawConfigParser()
    parser.read(get_config_file())
    if section_name in parser:
        return dict(parser[section_name])
    else:
        return {}


def terminal() -> str:
    d = get_config('Subprocess')
    if 'terminal' in d.keys():
        return d['terminal']
    else:
        return 'i3-sensible-terminal'