import os
from collections import Counter

from play import MOVE_SEP, BLANK


def main():
    hint = input("hint >")
    no_letters = input('no >')
    hint = hint.lower().replace(' ', '')
    regex = ''
    for char in hint:
        regex += '[{}]'.format(char)
    regex = regex.replace('[_]', '[[:alpha:]]')
    command = "grep -Ei '^{}$' /usr/share/dict/bulgarian".format(regex)
    if no_letters:
        command += " | grep -Eiv '{}'".format('|'.join(no_letters))
    print(MOVE_SEP)
    print(command)
    print(MOVE_SEP)
    words = os.popen(command).read().split('\n')[:-1]
    print("{} words".format(len(words)))
    print(MOVE_SEP)
    characters = Counter()
    for word in words:
        word = word.lower()
        word_chars = set(word)
        characters += Counter(list(word_chars))
    for char in hint:
        if char not in [BLANK]:
            del characters[char]
    if len(words) < 100:
        for word in words:
            print(word)
    print(MOVE_SEP)
    print(characters.most_common())


if __name__ == '__main__':
    main()