import argparse
import json
import sys

g_args = None
json_obj = None


def get_servers():
    global json_obj
    js = json_obj
    _servers = js["servers"]
    servers_dic = {}
    for s in _servers:
        servers_dic[s] = {}
        servers_dic[s]["name"] = s
        servers_dic[s]["url"] = _servers[s]["url"]
    return servers_dic


def read_json():
    global g_args
    json_path = g_args.config
    if json_path is None:
        print("specify json path")
        sys.exit()
    with open(json_path, "r", encoding="utf-8") as json_f:
        js = json.load(json_f)
        return js


def get_config():
    global json_obj
    return json_obj


def init_config():
    global g_args
    if g_args is not None:
        return g_args
    parser = argparse.ArgumentParser(description="Help")
    parser.add_argument("-config", type=str)
    _args = parser.parse_args()
    g_args = _args
    global json_obj
    json_obj = read_json()
    return _args


if __name__ == "__main__":
    args = init_config()
    print(args.config)