import pathlib
from collections import namedtuple

import appdirs
import yaml

config_dir = pathlib.Path(appdirs.user_config_dir("ED_LRR"))
config_dir.mkdir(parents=True, exist_ok=True)
config_file = config_dir / "config.yml"
config_file.touch()

data_dir = pathlib.Path(appdirs.user_data_dir("ED_LRR"))
data_dir.mkdir(parents=True, exist_ok=True)


def make_config():
    return {
        "history_bodies_url": [],
        "history_systems_url": [],
        "history_bodies_path": [],
        "history_systems_path": [],
        "history_out_path": [],
        "range": None,
        "primary": False,
        "mode": "bfs",
        "greedyness": 0.5,
    }


def write(cfg):
    with config_file.open("w", encoding="utf-8") as of:
        yaml.dump(cfg._asdict(), of, default_flow_style=False)


def load():
    data = yaml.load(config_file.open(encoding="utf-8"), Loader=yaml.Loader)
    if data is None:
        data = make_config()
        write(data)

    return namedtuple("Config", data)(**data)


# print("CFG:", yaml.load_config())
# print(config_file, data_dir)
# exit(1)