# The 6.00 Word Game

import random
import string

VOWELS = 'aeiou'
CONSONANTS = 'bcdfghjklmnpqrstvwxyz'
HAND_SIZE = 7

SCRABBLE_LETTER_VALUES = {'a': 1, 'b': 3, 'c': 3, 'd': 2, 'e': 1, 'f': 4, 'g': 2, 'h': 4, 'i': 1, 'j': 8, 'k': 5, 'l': 1, 'm': 3,
  'n': 1, 'o': 1, 'p': 3, 'q': 10, 'r': 1, 's': 1, 't': 1, 'u': 1, 'v': 4, 'w': 4, 'x': 8, 'y': 4, 'z': 10}

WORDLIST_FILENAME = "words.txt"

def loadWords():
    """
    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')
    # wordList: list of strings
    wordList = []
    for line in inFile:
        wordList.append(line.strip().lower())
    print("  ", len(wordList), "words loaded.")
    return wordList

def getFrequencyDict(sequence):
    """
    Returns a dictionary where the keys are elements of the sequence
    and the values are integer counts, for the number of times that
    an element is repeated in the sequence.

    sequence: string or list
    return: dictionary
    """
    freq = {}
    for x in sequence:
        freq[x] = freq.get(x,0) + 1
    return freq

#
# Problem #1: Scoring a word
#
def getWordScore(word, n):
    sum_1 = 0
    SCRABBLE_LETTER_VALUES = {'a': 1, 'b': 3, 'c': 3, 'd': 2, 'e': 1, 'f': 4, 'g': 2, 
    'h': 4, 'i': 1, 'j': 8, 'k': 5, 'l': 1,'m': 3, 'n': 1, 'o': 1, 'p': 3, 'q': 10, 
    'r': 1, 's': 1,  't': 1, 'u': 1, 'v': 4, 'w': 4, 'x': 8, 'y': 4, 'z': 10}
    len_1 = len(word)
    for i in word:
        if i in SCRABBLE_LETTER_VALUES.keys():
            sum_1 = sum_1+SCRABBLE_LETTER_VALUES[i]
    sum_1 = sum_1*len_1
    if len_1 == n:
            sum_1 = sum_1+50
    return sum_1
#
# Problem #2: Make sure you understand how this function works and what it does!
#
def displayHand(hand):
    """
    Displays the letters currently in the hand.

    For example:
    >>> displayHand({'a':1, 'x':2, 'l':3, 'e':1})
    Should print out something like:
       a x x l l l e
    The order of the letters is unimportant.

    hand: dictionary (string -> int)
    """
    for letter in hand.keys():
        for j in range(hand[letter]):
             print(letter,end=" ")       # print all on the same line
    print()                             # print an empty line

#
# Problem #2: Make sure you understand how this function works and what it does!
#
def dealHand(n):
    """
    Returns a random hand containing n lowercase letters.
    At least n/3 the letters in the hand should be VOWELS.

    Hands are represented as dictionaries. The keys are
    letters and the values are the number of times the
    particular letter is repeated in that hand.

    n: int >= 0
    returns: dictionary (string -> int)
    """
    hand={}
    numVowels = n // 3
    
    for i in range(numVowels):
        x = VOWELS[random.randrange(0,len(VOWELS))]
        hand[x] = hand.get(x, 0) + 1
        
    for i in range(numVowels, n):    
        x = CONSONANTS[random.randrange(0,len(CONSONANTS))]
        hand[x] = hand.get(x, 0) + 1
        
    return hand

#
# Problem #2: Update a hand by removing letters
#
def updateHand(hand, word):
    """
    Assumes that 'hand' has all the letters in word.
    In other words, this assumes that however many times
    a letter appears in 'word', 'hand' has at least as
    many of that letter in it. 

    Updates the hand: uses up the letters in the given word
    and returns the new hand, without those letters in it.

    Has no side effects: does not modify hand.

    word: string
    hand: dictionary (string -> int)    
    returns: dictionary (string -> int)
    """
    new_hand = dict(hand)
    for i in word:
        if i in new_hand.keys():
            new_hand[i] -= 1
        return new_hand

#
# Problem #3: Test word validity
#
def isValidWord(word, hand, wordList):
    """
    Returns True if word is in the wordList and is entirely
    composed of letters in the hand. Otherwise, returns False.
    
    Does not mutate hand or wordList.
   
    word: string
    hand: dictionary (string -> int)
    wordList: list of lowercase strings
    """
    if word_1 not in word_list:
        return False
    for i_1 in word_1:
        if i_1 not in hand_1.keys():
            return False
    return True

#
# Problem #4: Playing a hand
#

def calculateHandlen(hand):
    """ 
    Returns the length (number of letters) in the current hand.
    
    hand: dictionary (string-> int)
    returns: integer
    """
    sum_1 = 0
    for i_1 in hand_1.keys():
        sum_1 = sum_1 + hand_1[i_1]
    return sum_1

def playHand(hand, wordList, n):
    print(displayHand(hand))
    for i in len(hand):
	    if (i is not isValidWord()):
   			print("Enter a valid word or .")
   			user_input = input("Enter a valid word")
    	elif (i is isValidWord()):
   			return updateHand(hand)
   			return getWordScore(hand)
   			user_input = input("Enter another word")

#
# Problem #5: Playing a game
# 

def playGame(wordList):
    """
    Allow the user to play an arbitrary number of hands.
    """
    user_input = input("Enter 'n'(new_hand) or 'r'(last hand) or 'e'(exit)")
#    * If the user inputs 'n', let the user play a new (random) hand.
	if(user_input == "n"):
		dealHand(HAND_SIZE)
#    * If the user inputs 'r', let the user play the last hand again.
	elif(user_input == "r"):	
		playHand(hand, wordList, HAND_SIZE)
#    * If the user inputs 'e', exit the game.
	elif(user_input == "e"):
		exit()	
#    * If the user inputs anything else, tell them their input was invalid.
	else:
		print("invalid input")
 	"""
    2) When done playing the hand, repeat from step 1    
    """

#
# Build data structures used for entire session and play game
#
if __name__ == '__main__':
    wordList = loadWords()
    playGame(wordList)
