import numpy as np
# Henter tilfeldig ord fra ord-liste
def get_random_word(words):
    word = np.random.choice(words)
    return word

# Leser fil inn i liste av ord
def read_file(filename):
    words = []
    with open(filename, 'r') as f:
        for word in f:
            words.append(word.lower().strip())

    return words

# Skriver ut et bilde av hangman i terminal
def print_hangman(lives):
    print_states = [
            r'''
             -----
             |   O
             |  /|\
             |  / \
             |
             ''',
            r'''
             -----
             |   O
             |  /|\
             |  /
             |
             ''',
            r'''
             -----
             |   O
             |  /|\
             |
             |
             ''',
            r'''
             -----
             |   O
             |  /|
             |
             |
             ''',
            r'''
             -----
             |   O
             |   |
             |
             |
             ''',
            r'''
             -----
             |   O
             |
             |
             |
             ''',
            r'''
             -----
             |
             |
             |
             |
             '''
    ]
    assert lives >= 0 and lives < len(print_states), 'Lives is worng: '+str(lives)
    print(print_states[lives])

# Skriver ut spill-tilstanden
def print_game_state(lives, guesses, fasit):
    print('='*30)
    print('     Lives left: ', lives)
    print_hangman(lives)

    print(end='          ')
    for char in fasit:
        if char not in guesses:
            print('_ ', end='')
        else:
            print(char+' ', end = '')

    print('\n')
    print('Characters used: \n  ', guesses)
    print('='*30)

# Sjekket om vi har vunnet spillet
def game_is_won(guesses, fasit):
    for char in fasit:
        if char not in guesses:
            return False

    return True

# Lar bruker gjette en bokstav
def make_guess():
    guess = input('Guess character: ')
    guess = guess[0]
    return guess

# Behandler den nye bokstaven
def process_guess(lives, char, guesses, fasit):
    if char not in guesses:
        guesses.append(char)
    else:
        return lives

    if char not in fasit:
        lives -= 1

    return lives


# Variabler vi trenger under spillet
lives = 6
words = read_file('words.txt')
fasit = get_random_word(words)
guesses = []

# Løkke som går så lenge spillet er i gang
while lives > 0 and not game_is_won(guesses, fasit):
    print_game_state(lives, guesses, fasit)             # Gi output til spiller
    char = make_guess()                                 # Ta input fra spiller
    lives = process_guess(lives, char, guesses, fasit)  # Behandler input

# Gir output til spiller for å avslutte spillet
print_game_state(lives, guesses, fasit)
if game_is_won(guesses, fasit):
    print('Game WON! WOOOO!')
else:
    print('Word was', fasit)