# 6.00 Problem Set 3
#
# Hangman
#


# -----------------------------------
# Helper code
# (you don't need to understand this helper code)
import random
import string

WORDLIST_FILENAME = "words.txt"

def load_words():
    """
    Returns a list of valid words. Words are strings of lowercase letters.

    Depending on the size of the word list, this function may
    take a while to finish.
    """
    print "Loading word list from file..."
    # inFile: file
    inFile = open(WORDLIST_FILENAME, 'r', 0)
    # line: string
    line = inFile.readline()
    # wordlist: list of strings
    wordlist = string.split(line)
    print "  ", len(wordlist), "words loaded."
    return wordlist

def choose_word(wordlist):
    """
    wordlist (list): list of words (strings)

    Returns a word from wordlist at random
    """
    return random.choice(wordlist)

# end of helper code
# -----------------------------------

# actually load the dictionary of words and point to it with
# the wordlist variable so that it can be accessed from anywhere
# in the program
wordlist = load_words()

# your code begins here!
# issues: 1)updates the letters available. 2) displaying the word in a string vs. list

print "Welcome to the game, Hangman!"
random_word = choose_word(wordlist)
print random_word
word = ''

for e in range (0, len(random_word)):
    word = word + '-'

print word

string = 'abcdefghijklmnopqrstuvqxyz'

print "I am thinking of a word that is ", len(word), " letters long."
print"--------------------"
guesses = 8

while guesses > 0 and word != random_word:
    print 'You have', guesses,  ' left.'
    print "Available letter: ", string
    attempt = raw_input("Please guess a letter: ")
    for a in range (0, len(string)):
        if attempt == string[a]:
            string = string[0:a] + string[a+1:len(string)]
            # Why do you need a break here????
    score = 0
    for a in range (0, len(random_word)):
        if random_word[a] == attempt:
            word = word[0:a] + str(attempt) + word[a+1: len(word)]
            score = score + 1
    if score > 0:
        print "Good guess:", word
    else:
        print "Oops! That letter is not in my word: ", word
        guesses = guesses - 1
    score = 0

if word == random_word:
    print "You win", word

else:
    print "Sorry champ not this time.", random_word