import os
import sys
from typing import Callable

from settings import Settings
from pathlib import Path
from os.path import join, isfile
from configparser import ConfigParser


class SettingsStore():
    def __init__(self):
        pass

    @staticmethod
    def _session_file() -> str:
        if sys.platform == 'win32' or sys.platform == 'cygwin':
            return join(Path.home(), "AppData", "Local", "ravenlog", "session.ini")
        else:
            return join(Path.home(), ".local", "share", "ravenlog", "session.ini")

    @staticmethod
    def load() -> Settings:
        session = SettingsStore._load_session()
        return Settings(session)

    @staticmethod
    def _load_session() -> ConfigParser:
        session_file = SettingsStore._session_file()
        session = ConfigParser()

        # apply default settings
        session.add_section('general')
        session.set('general', 'font_size', '12')
        session.set('general', 'highlight_search_term', 'True')
        session.read(session_file)
        return session

    @staticmethod
    def save(settings: Settings):
        session_file = SettingsStore._session_file()
        dir = os.path.dirname(session_file)
        os.makedirs(dir, exist_ok=True)
        with open(session_file, 'w+') as fp:
            settings.session.write(fp)