#!/usr/bin/python
import sys
import os
import json
import re
import base64
import argparse

b64id = base64.b64encode(os.urandom(9))
theid = ''.join([c for c in b64id if c.isalnum()])

parser = argparse.ArgumentParser()
parser.add_argument('src', nargs=1)
parser.add_argument('dst', nargs=1)
parser.add_argument('-programs', dest='programspath')
parser.add_argument('-receivers', dest='receivers', type=int)
arg = parser.parse_args()

infile = arg.src
outfile = arg.dst

with open(infile[0], 'rb') as fpin:
	data = json.loads(fpin.read())
	data['device_id'] = theid
	data['installDir'] = arg.programspath
	data['receivers_count'] = arg.receivers
	with open(outfile[0], 'w') as fpout:
		fpout.write(json.dumps(data, indent=4))
		print(theid)