import shutil
from pathlib import Path
import importlib.util
import os
import sys

# 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_dir() -> str:
    if 'XDG_CONFIG_HOME' in os.environ.keys():
        xdg_config_home = Path(os.environ['XDG_CONFIG_HOME']).resolve()
    else:
        xdg_config_home = Path('~/.config').expanduser().resolve()
    config_file = xdg_config_home / 'university-setup' / 'config.py'
    if not config_file.exists():
        config_file.parent.mkdir(exist_ok=True, parents=True)
        shutil.copy(Path(__file__).with_name('default_config.py'), config_file)
        print(f'Initialized default config file at {str(config_file)}.')
    return str(config_file.parent.absolute())


sys.path.append(get_config_dir())

# Note that IDEs will probably complain about this, since they cannot find the module right now
# This is because the module is in fact user-supplied
from config import *

# future: potentially check that config in fact defines all symbols that we need