import json
from loguru import logger

states_file = 'fmn_states.json'


class states_stor:
    states = None


@logger.catch
def read_states():
    try:
        with open(states_file, 'rt') as f:
            current_states = json.loads(f.read())
    except:
        logger.warning('Стейты не найдены, создание плейсхолдера')
        write_states()
        current_states = {}
    return current_states


@logger.catch
def write_states(new_states={}):
    with open(states_file, 'wt') as f:
        f.write(json.dumps(new_states, indent=4))
    if new_states == {}:
        logger.info('states empty wrote')
    return new_states


if not states_stor.states:
    states_stor.states = read_states()