from random import randint, shuffle

class Galgje(object):
	def __init__(self, word, allowed_errors=5):
		self.word = word
		self.allowed_errors = allowed_errors
		self.guessed_letters = set()
		self.correct_letters = set()

	def guess(self, letter):
		self.guessed_letters.add(letter)
		if letter in self.word:
			self.correct_letters.add(letter)

	def still_running(self):
		return sorted(set(self.word)) != sorted(self.correct_letters) and self.allowed_errors > len(self.incorrect_letters())

	def hint(self):
		letters_left = list(filter(lambda f: f not in self.correct_letters, self.word))
		shuffle(letters_left)
		c = letters_left[0]
		self.guessed_letters.add(c)
		self.correct_letters.add(c)

	def print(self):
		print('Word: ', end='')
		for c in self.word:
			if c in self.correct_letters:
				print(c, end='')
			else:
				print('_', end='')
		print()
		print('Guessed letters: %s' % list(self.guessed_letters))
		print('Errors: %s of %s' % (len(self.incorrect_letters()), self.allowed_errors))

	def finish(self):
		if sorted(set(self.word)) == sorted(self.correct_letters):
			print('You guessed the word: %s' % self.word)
		else:
			print('You lost. The word was %s.' % self.word)

	def incorrect_letters(self):
		return list(filter(lambda f: f not in self.word, self.guessed_letters))

if __name__ == '__main__':
	g = Galgje('somelongword')
	while g.still_running():
		g.print()
		letter = input('Letter or hint (?): ')

		if letter == '?':
			g.hint()
		elif len(letter) == 1:
			g.guess(letter)
		else:
			print('Incorrect input')
	g.finish()