#!/usr/bin/env python3

import configparser
import random

class PasswordMaker():
 def __init__(self, config = "fh_passphrase.ini", length = None, special = None):
  if config:
   self.read_config(config)
  if length:
   self.length = length
  if special:
   self.special = special

 def read_config(self, config):
  parser = configparser.ConfigParser()
  parser.read(config)

  try:
   self.length = int(parser["settings"]["length"])
  except:
   self.length = 1

  try:
   self.special = parser["settings"]["special"]
  except:
   raise
   self.special = [""]

 def generate_password(self, sentence):
  words = sentence.split()

  if len(words) < self.length:
   raise ValueError("Sentence must have at least %i words. " % self.length)

  letters = [word[0] for word in words]
  password = letters[0]

  for letter in letters[1:]:
   password += random.SystemRandom().choice(self.special)
   password += letter

  return password

def get_input(length = PasswordMaker().length):
 return input("Enter a sentence with at least %i words: " % length)

if __name__ == "__main__":
 print(PasswordMaker().generate_password(get_input()))