# Hangman Game
#
# The classic game of Hangman.  The computer picks a random word
# and the player wrong to guess it, one letter at a time.  If the player
# can't guess the word in time, the little stick figure gets hanged.

# imports
import random

# constants
HANGMAN = (
"""
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""",
"""
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 |    O
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""",
"""
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 |    O
 |   -+-
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""",
"""
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 |    O
 |  /-+-
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""",
"""
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 |    O
 |  /-+-/
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""",
"""
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 |  /-+-/
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""",
"""
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 |  /-+-/
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""",
"""
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""")
print "Welcome to Hangman.  Good luck!"
MAX_WRONG = len(HANGMAN) - 1
word_list = []

use_own_words = raw_input("would you like to add any of your own words? [y/n]")
use_own_words = use_own_words[0]
use_own_words = use_own_words.upper()
dont_add_word = "false"
if use_own_words == "Y":
    own_word = raw_input("type a word to add or leave blank to finish adding ")
    while own_word != "":
        own_word = own_word.upper()
        for i in range(len(word_list)):
            if own_word == word_list[i]:
                dont_add_word = "true"
        if dont_add_word == "false":
            print "added"
            word_list.append(own_word)
        else:
            print "you already added that word"
            dont_add_word = "false"
        own_word = raw_input("next word ")

guess = raw_input("\nEnter your guess: ")




# initialize variables
if word_list == "":
    WORDS = ("OVERUSED", "CLAM", "GUAM", "PUCK", "TAFFETA", "PYTHON")
else:
    WORDS = word_list
word = random.choice(WORDS)   # the word to be guessed
#word = WORDS[4]  # For debug purposes only    TODO  :  Remove
so_far = "-" * len(word)      # one dash for each letter in word to be guessed
wrong = 0                     # number of wrong guesses player has made
used = []                     # letters already guessed




while wrong < MAX_WRONG and so_far != word:
    print HANGMAN[wrong]
    print "\nYou've used the following letters:\n", used
    print "\nSo far, the word is:\n", so_far

    guess = raw_input("\n\nEnter your guess: ")
    while guess == "":
        guess = raw_input("\n\nEnter your guess: ")
    guess = guess[0]
    guess = guess.upper()

    while guess in used:
        print "You've already guessed the letter:", guess
        guess = raw_input("Enter your guess: ")
        guess = guess.upper()

    used.append(guess)

    if guess in word:
        print "\nYes!", guess, "is in the word!"

        # create a new so_far to include guess
        new = ""
        for i in range(len(word)):
            if guess == word[i]:
                new += guess
            else:
                new += so_far[i]
        so_far = new
        print HANGMAN[wrong]
        print "\nYou've used the following letters:\n", used
        print "\nSo far, the word is:\n", so_far
        answer = raw_input("would you like to guess the word? [y/n]")
        answer = answer.upper()
        if answer[0] == "Y":
            guess_word = raw_input("enter word: ")
            guess_word = guess_word.upper()
            if word == guess_word:
                so_far = guess_word
            else:
                print "\nSorry,", guess_word, "isn't the word."
                wrong += 1

    else:
        print "\nSorry,", guess, "isn't in the word."
        wrong += 1

if wrong >= MAX_WRONG:
    print HANGMAN[wrong]
    print "\nYou've been hanged!"
else:
    print "\nYou guessed it! \o,"

print "\nThe word was", word

raw_input("\n\nPress the enter key to exit.")