#--------------------------------------------------------------------------
#  Name :       Pick up game
#  Purpose :    11DGT
#  Author:      Trey Simpson
#  Created :    10/03/2025
#  Copyright :  © Trey Simpson, 14.03.25
#--------------------------------------------------------------------------

# Import libraries
import time
import random

# Presets
max_chips = 21 
PlayerOneScore = 0 
PlayerTwoScore = 0 
chipsleft = 0 
chipstaken = 0 

# Greeting message
print("Welcome to the 21 take away game!") 
time.sleep(1) 

# Asking for valid name for Player 1
while True:
    Player1Name = input("What is the first player's name? ") 
    if Player1Name.isalpha() == True:  # Check if the input is a string (only letters)
        break  # If valid, break out of the loop
    else:
        print("Retry and please enter a string input. ") 
time.sleep(0.5)

# Asking for valid name for Player 2
while True:
    Player2Name = input("What is the second player's name? ") 
    if Player2Name.isalpha() == True:  # Check if the input is a string (only letters)
        break  # If valid, break out of the loop
    else:
        print("Retry and please enter a string input. ") 
time.sleep(0.5)

# Asking for a valid number input for how many rounds to play
while True:
    try:
        rounds = int(input("How many rounds would you like to play? 1-5 ")) 
        if rounds < 1 or rounds > 5:  # Check if the number of rounds is between 1 and 5
            print("Please choose a number between 1 and 5 ") 
        else:
            break  # Break out of the loop
    except:
        print("Please input a valid integer. ")  # Retry if its not a number
time.sleep(0.5)

print("") 
# Rounds loop
while rounds > 0:
    chipsleft = max_chips  # Reset chips to the initial number at the start of each round

    while chipsleft > 0:  # Continue until all chips are taken

        # Player 1's turn
        print("There are", chipsleft, "chips left") 
        try:
            chipstaken = int(input("How many chips would you like to take " + Player1Name + "? (1-3) ")) 
            if chipstaken < 1 or chipstaken > 3:  # Check if the input is between 1 and 3
                print("You can only take between 1 and 3 chips.") 
                continue 
            chipsleft -= chipstaken  # Subtract the number of chips Player 1 took from the total
        except ValueError:
            print("Please enter a valid number.") 
            continue
        

        if chipsleft <= 0:  # Check if Player 1 has won the round
            PlayerOneScore += 1 
            print("Congrats", Player1Name, ", you win this round!") 
            break  # End the round
        time.sleep(0.5)

        # Player 2's turn
        print("There are", chipsleft, "chips left")  # Show how many chips are left
        try:
            chipstaken = int(input("How many chips would you like to take " + Player2Name + "? (1-3) "))  
            if chipstaken < 1 or chipstaken > 3:  # Check if the input is between 1 and 3
                print("You can only take between 1 and 3 chips.") 
                continue 
            chipsleft -= chipstaken  # Subtract the number of chips Player 2 took from the total
        except ValueError:
            print("Please enter a valid number.") 
            continue
        time.sleep(0.5)

        if chipsleft <= 0:  # Check if Player 2 has won the round
            PlayerTwoScore += 1  # Increase Player 2's score
            print("Congrats ", Player2Name, "you win this round!")
            break  # End the round
        time.sleep(0.25)

    rounds -= 1  # Minus a round
    print(rounds, "rounds left")
    time.sleep(0.5)

# After all rounds are done
if PlayerOneScore > PlayerTwoScore: 
     # Player 1 wins
    print("Congrats on the win", Player1Name, "! Final Score: ", PlayerOneScore)
elif PlayerTwoScore > PlayerOneScore: 
     # Player 2 wins
    print("Congrats on the win", Player2Name, "! Final Score: ", PlayerTwoScore)
else: 
    # Tie
    print("It's a tie!")