"""
-------------------------------------------------
   Project: Take-Away Game
  Standard: TE PUNGA - Programming Assessment
    School: Tauranga Boys' College
    Author: Zack Norwood
      Date: 22/03/2024
    Python: 3.5
-------------------------------------------------
"""

#Imports the time module
import time 

#Sets the constant value for the max chips
maxChips = 21

#Prints the instructions for the game
print( "Welcome to the Take-Away Game!" )
time.sleep(1)
print( "To play, you will play against a friend, and take away 1, 2 or 3 chips from 21, and whoever takes the last chip wins! " )
time.sleep(3.5)

#Asks the two players names
p1name = input( "Who's player 1? " )
p2name = input( "Who's player 2? " )

#Asks the player how many rounds they'd like to play
rounds = int( input( "How many rounds would you like to play? " ) )

#Defines a function that resets the round at the start of each round
def setup() :
    global chips 
    chips = maxChips

#Defines a function for how each round will play out
def round() :
    global p1Wins, p2Wins, rounds
    #Resets the chips before the round is played
    setup()
    #Keeps running alternating turns until there are no chips left
    while chips > 0 :
        player1Turn()
        if chips == 0 :
            break
        else :
            player2Turn()
            if chips >= 0 :
                print( "There are", chips, "chips left. " )
            else :
                print( "There are 0 chips left. " )
    #After there are no chips left, it takesaway from the rounds value to ensure the right amount of rounds are played
    rounds = rounds - 1
    #Prints the amount of rounds each player has won
    print( p1name, "has", p1Wins, "wins and", p2name, "has", p2Wins, "wins." )
    time.sleep(1)

#Defines a function to check that the amount of chips taken is acceptable 
def check() :
    global chipsTaken, chips
    chipsTaken = int( input( "Enter the number of chips that you'd like to take away! (1-3) " ) )
    #Checks whether the chips taken is 1, 2 or 3
    while chipsTaken > 3 or chipsTaken < 1 :
        print( "Please enter a valid value" )
        chipsTaken = int( input( "Enter the number of chips that you'd like to take away! (1-3) " ) )
    #Once it shows the requested amount is valid, it takes away the amount of chips requested
    chips = chips - chipsTaken

#Defines a function for player 1s turn
def player1Turn() :
    global p1Wins
    #Tells the player its their turn
    print( "It's your turn", p1name )
    #Checks how many chips the player wants to take 
    check()
    #If the player takes the last chip it adds one to the amount of rounds they've won
    if chips == 0 :
        p1Wins = p1Wins + 1


#Defines a function for player 2s turn 
def player2Turn() :
    global p2Wins
    print( "It's your turn", p2name )
    #Checks how many chips the player wants to take 
    check()
    #If the player takes the last chip it adds one to the amount of rounds they've won
    if chips == 0 :
        p2Wins = p2Wins + 1

#Defines a function for how the game will play out and the order of functions ran
def play() :
    global maxChips, p1Wins, p2Wins
    #Sets the starting constant values
    maxChips = 21
    p1Wins = 0
    p2Wins = 0
    setup()
    #Keeps running the round function until you've played the amount that has been requested
    while rounds != 0 :
        round()
    #Determines the winner after all rounds have been played
    if p1Wins > p2Wins :
        print( p1name, "wins!" )
    elif p2Wins > p1Wins :
        print( p2name, "wins!" )
    elif p1Wins == p2Wins :
        print( "It's a draw!")
        time.sleep(1)
        

#Runs the play function and starts the game
play()
#Asks the player if they'd like to play again, and keeps repeating the code until they input something other than y
playAgain = input( "Would you like to play again? (y/n) " )
while playAgain == "y" :
    #Asks the player how many rounds they'd like to play
    rounds = int( input( "How many rounds would you like to play? " ) )
    play()
    playAgain = input( "Would you like to play again? (y/n) " )
print( "Thanks for playing!!" )