import os
import json


class ConfigFile:
    def __init__(self, name):
        self.name = name
        self._data = []

    def load(self, folder):
        filename = os.path.join(folder, self.name + '.json')
        with open(filename, 'r') as f:
            self._data = json.load(f)

    def get(self, name):
        if '.' not in name and name in self._data:
            return self._data[name]
        subs = "']['".join(name.split('.'))
        substr = "self._data['" + subs + "']"
        print(substr)


class Config:
    def __init__(self, folder):
        self.folder = folder
        self._configs = {}

    def load(self):
        files = [f for f in os.listdir(self.folder) if os.path.isfile(os.path.join(self.folder, f)) and '.json' in f]
        configs = {}
        for f in files:
            name = f.split('.')[0]
            filename = os.path.join(self.folder, f)
            with open(filename, 'r') as fh:
                configs[name] = json.load(fh)
        self._configs = configs

    def get(self, name):
        if '.' not in name and name in self._configs:
            return self._configs[name]
        subs = "']['".join(name.split('.'))
        substr = "self._configs['" + subs + "']"
        try:
            sub = eval(substr)
            return sub
        except:
            return None

    def get_all(self, name_list):
        output = {}
        for name in name_list:
            output[name] = self.get(name)
        return output

    def set(self, name, value):
        if '.' not in name:
            self._configs[name] = value
            return
        subs = "']['".join(name.split('.'))
        substr = "self._configs['" + subs + "'] = {0}".format(value)
        try:
            eval(substr)
        except:
            pass


def load_config(folder):
    config = Config(folder)
    config.load()
    return config