from random import *

player_score = 0
computer_score = 0

def hangedman(hangman):
    graphic = [
    """
    -------+
    |
    |
    |
    |
    |
    =========
    """,
    """
    -------+
    |      |
    |      O
    |
    |
    |
    =========
    """,
    """
    -------+
    |      |
    |      O
    |      |
    |
    |
    =========
    """,
    """
    -------+
    |      |
    |      O
    |     -|
    |
    |
    =========
    """,
    """
    -------+
    |      |
    |      O
    |     -|-
    |
    |
    =========
    """,
    """
    -------+
    |      |
    |      O
    |     -|-
    |     /
    |
    =========
    """,
    """
    -------+
    |      |
    |      O
    |     -|-
    |     / \
    |
    =========
    """]
    print(graphic[hangman])

def start():
    print("Let's play the hangedman game.")
    while game():
        pass
    scores()

def game():
    list_word = ["python", "kernel", "linux", "terminal", "pingouin", "grub"]
    word = choice(list_word)
    word_length = len(word)
    clue = word_length * ["_"]
    tries = 6
    tried_letters = ""
    guesses = 0
    right_letters = 0
    wrong_letters = 0
    global computer_score, player_score

    while (wrong_letters != tries) and "".join(clue) != word:
        letter = guess_letter()
        if len(letter) == 1 and letter.isalpha():
            if tried_letters.find(letter) != -1:
                print("You've already tried the letter ", letter)
            else:
                tried_letters = tried_letters + ' ' + letter
                first_index = word.find(letter)
                if first_index == -1:
                    print("Sorry", letter, "isn't what we're looking for.")
                    hangedman(wrong_letters)
                    wrong_letters += 1
                else:
                    print("Congrats,", letter, "is correct.")
                    for i in range(word_length):
                        if letter == word[i]:
                            clue[i] = letter
        else:
            print("Make your choice.")


        print("".join(clue))
        print("Letters tried : ", tried_letters)

        if wrong_letters == tries:
            hangedman(wrong_letters)
            print("End of game.\nThe word was : ", word)
            computer_score += 1
            break
        if "".join(clue) == word:
            print("You win!\nThe word was : ", word)
            player_score += 1
            break

    return play_again()

def guess_letter():
    letter = input("Guess the secret word. Enter a letter: ")
    letter.strip()
    letter.lower()
    return letter

def play_again():
    answer = input("Would you like to try again ? (yes/no) ")
    if answer.upper() in ("Y", "YES"):
        return answer
    else:
        print("Thank you very much for playing this game. See you next time!")

def scores():
    global player_score, computer_score
    print("\nHIGH SCORES")
    print("\t- Player: ", player_score)
    print("\t- Computer: ", computer_score)

if __name__ == '__main__':
    start()