from typing import Set
import random

MAX_GUESS = 6
HARD_LEVEL = {'easy': 50, 'middle': 70, 'advanced': 100}
RAND_HINT = True
DIC_COW = {
	6: r"""
    ^__^
    (oo)\_______
    (__)\       )\/\
        ||----w |
        ||     ||
	""",
	5: r"""
    (oo)\_______
    (__)\       )\/\
        ||----w |
        ||     ||
	""",
	4: r"""
        \_______
        \       )\/\
        ||----w |
        ||     ||
	""",
	3: r"""
        \_______
        \       )\/\
          ----w |
               ||
	""",
	2: r"""
        \_______
        \       )\/\
          ----w

	""",
	1: r"""
        \_______
        \       )
          ----w

	""",
	0: r"""




	"""
	}

def readDic() -> str:
	pass

def guessDic(word: str) -> None:
	if word is None or len(word) == 0:
		return

	global MAX_GUESS

	guess_set = set()
	word_set = set(word)
	guess_count = 0

	if RAND_HINT:
		rand_pick = random.choices(list(word_set), k = random.randrange(HARD_LEVEL['easy'] * len(word_set) // 100, len(word_set)))
		for c in rand_pick:
			guess_set.add(c)

	print('Welcome to Hangman!')
	printLeft(MAX_GUESS - guess_count)
	printDic(word, guess_set)

	while guess_count < MAX_GUESS:
		while True:
			s = input('Guess your letter: ')
			if s.isalpha() and len(s) == 1:
				break

		if s in guess_set:
			print('Letter {} has been guessed!'.format(s))
			continue
		elif s not in guess_set and s in word_set:
			guess_set.add(s)
			guess_count += 1
		elif s not in guess_set and s not in word_set:
			guess_set.add(s)
			guess_count += 1
			print('Incorrect!')

		printDic(word, guess_set)

		if word_set.issubset(guess_set):
			print('Congratulation, you have make it after {} times try!'.format(guess_count))
			break

		printLeft(MAX_GUESS - guess_count)

def printDic(word: str, guess_set: Set) -> None:
	l = []
	for c in word:
		if c not in guess_set:
			l.append('_')
		else:
			l.append(c)
	print(' '.join(l))

def printLeft(guess_count: int) -> None:
	print(DIC_COW[guess_count])
	print('You have {} incorrect guesses left!'.format(guess_count))

def main():
	words = ['hello', 'will', 'hiccup', 'fun', 'tiny', 'shock', 'water' \
			'drink', 'quick', 'hopping']

	while True:
		guessDic(random.choice(words))
		i = ''

		while True:
			i = str(input('Do you want to play again (Y/y/N/n)? '))
			if i in ['Y', 'y', 'N', 'n']:
				break
		if i in ['Y', 'y']:
			continue
		elif i in ['N', 'n']:
			break

if __name__ == '__main__':
	main()