#!/usr/bin/env python
# -*- coding: utf-8; -*-
"""
* Copyright 2014 Alexandre Possebom

This file is part of twik.

Twik is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.

Twik is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with Twik.  If not, see <http://www.gnu.org/licenses/>.
"""
from .util import Util
from .twik import Twik
import getpass
import argparse
import sys

def main():
	"""
	ALPHANUMERIC_AND_SPECIAL_CHARS=1
	ALPHANUMERIC=2
	NUMERIC=3
	"""
	parser = argparse.ArgumentParser()
	parser.add_argument("tag", type=str,
			help="generate password for a specified tag")
	parser.add_argument("-c", "--chars", type=int,
			choices=list(range(4, 27)),
			metavar="[4-26]",
			help="length of generated password [4-26]. Default: 12")
	parser.add_argument("-p", "--profile", type=str, default=None,
			help="profile to use. Default:'Personal'")
	parser.add_argument("-t", "--passwordtype", type=int, choices=[1, 2, 3],
			help='''
			1 for ALPHANUMERIC_AND_SPECIAL_CHAR
			2 for ALPHANUMERIC
			3 for NUMERIC
			Default: 1
			''')
	args = parser.parse_args()

	util = Util(args.tag, args.chars, args.passwordtype, args.profile)

	try:
		master_key = getpass.getpass(prompt='Master Key: ')
	except KeyboardInterrupt:
		print("^C")
		raise SystemExit(0)

	twik = Twik()
	password = twik.getpassword(args.tag, util.get_privatekey(), master_key,
			util.get_chars(), util.get_passord_type())

	print(password, end='')
	print('', file=sys.stderr)

if __name__ == "__main__":
	main()

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