""""
"  SVXLINK SYSOP ROLLING CODE
"  SVXLink Card on http://svxcard.f5uii.net
"
"  This Python software generate a unique code, valid only for 3 minutes. It will secure your system operator DTMF remote commands.
"  Requires that your Raspberry Pi is clock synchronised.
"  08.02.2016 (b)- Christian, F5UII
"  version 0.1 - Under Creative Commons licence [by-nc-sa] http://creativecommons.org/licenses/by-nc-sa/4.0/
"
"""

import time
import math
from datetime import datetime, timedelta
a = time.localtime()



COMPLEXITY_CODE = 452 #Give a private complexity code. Remember to change this code for have your generated password personnal.

minute1 = datetime.now() + timedelta(minutes=1)
minute_1 = datetime.now() + timedelta(minutes=-1)

datejour = time.strftime('%d')
datemois = time.strftime('%m')
dateannee= time.strftime('%y')
heure = time.strftime('%H')
min = time.strftime('%M')
min_1 = minute_1.strftime('%M')
min1 = minute1.strftime('%M')


def codage(datejour,datemois,dateannee,heure,min):

        a=int(datejour)+int(datemois)+int(dateannee)+int(COMPLEXITY_CODE)
        b = a ^ (int(heure)+ int(min[1])*10+ int(min[0]))
        resu_b = b
        res = b - (math.floor(b/100))*100
        resu_b= '%02d' %res
        c= int(datejour)*int(datemois) ^ (int(heure)*int(min));
        resu_c = c
        res = c - (math.floor(c/100))*100
        resu_c= '%02d' %res
        resu= str(resu_b).zfill(2) + str(resu_c).zfill(2)
        return resu

file = open("/tmp/codes.tcl", "w")

file.write( "set code_A " + codage (datejour,datemois,dateannee,heure,min_1) + ";")
file.write( "set code_B " + codage (datejour,datemois,dateannee,heure,min) + ";")
file.write( "set code_C " + codage (datejour,datemois,dateannee,heure,min1) + ";")

file.close()