#!/usr/bin/env python
# -*- coding: utf-8 -*-

import sys, getpass, socket, cjson
from pyeole.ihm import print_line
from pyeole.ansiprint import print_orange, print_red
from creole.client import CreoleClient
from collections import OrderedDict


def display_help():
    print("Modification de la valeur d'une variable d'un serveur")
    print("{} [--var nom_variable --value valeur]".format(sys.argv[0]))


def argparser():
    # récupère l'ID du groupe
    arglen = len(sys.argv)
    if arglen == 1:
        return  None, None
    if sys.argv[1] in ['-h', '--help']:
        display_help()
        sys.exit(0)


    if sys.argv[1] in ['-v', '--var']:
        varc = sys.argv[2]
        return  varc, None

    if sys.argv[3] in ['-l', '--value']:
        valvar = sys.argv[4]
        return varc, valvar

    return  None, None


def main():
    # import des fonctions communes de Zéphir client
    varc, valvar = argparser()


    if varc is None :
        varc = raw_input("Variable à modifier : ")

    if valvar is None :
        valvar = raw_input("Valeur de la variable : ")

    fh = open("/etc/eole/config.eol", 'r')
    store = cjson.decode(fh.read(), all_unicode=True)
    fh.close
    if varc in store:
        store[varc]['val'] = valvar

        fh = open("/etc/eole/config.eol", 'w')
        fh.write(cjson.encode(store))
        fh.close()
    else:
        print_orange('Erreur : variable {} inconnue'.format(varc))


if __name__ == '__main__':
    main()