#!/usr/bin/env python3
"""Password maker, https://xkcd.com/936/"""

import argparse
import random
import re
import string


# --------------------------------------------------
def get_args():
    """Get command-line arguments"""

    parser = argparse.ArgumentParser(
        description='Password maker',
        formatter_class=argparse.ArgumentDefaultsHelpFormatter)

    parser.add_argument('file',
                        metavar='FILE',
                        type=argparse.FileType('rt'),
                        nargs='+',
                        help='Input file(s)')

    parser.add_argument('-n',
                        '--num',
                        metavar='num_passwords',
                        type=int,
                        default=3,
                        help='Number of passwords to generate')

    parser.add_argument('-w',
                        '--num_words',
                        metavar='num_words',
                        type=int,
                        default=4,
                        help='Number of words to use for password')

    parser.add_argument('-m',
                        '--min_word_len',
                        metavar='minimum',
                        type=int,
                        default=3,
                        help='Minimum word length')

    parser.add_argument('-x',
                        '--max_word_len',
                        metavar='maximum',
                        type=int,
                        default=6,
                        help='Maximum word length')

    parser.add_argument('-s',
                        '--seed',
                        metavar='seed',
                        type=int,
                        help='Random seed')

    parser.add_argument('-l',
                        '--l33t',
                        action='store_true',
                        help='Obfuscate letters')

    return parser.parse_args()


# --------------------------------------------------
def main():
    args = get_args()
    random.seed(args.seed)  # 
    words = set()

    def word_len(word):
        return args.min_word_len