#-------------------------------------------------
#   Project: Pick up game
#   Standard: 91883 (AS1.7) v.1
#   School: Tauranga Boys' College
#   Author: Lexus Sroiparp
#   Date: March 14th 2025
#   Python: 3.5
#-------------------------------------------------


# Constants
MAX_CHIPS = 21 # reset chips left to max chip at every round

# Variables
score_1 = 0 # player 1 score
score_2 = 0 # player 2 score
chips_left = 0 # how many chips are left
chips_taken = 0 # change later when player chooses how many to take

# Get player names
def get_player_name(player_num): # Function to reuse the code instead of repeating it so it cleaner
    while True: #Checks for valid name so no numbers and stuff
        name = input("What is player " + str(player_num) + "'s name? ")
        if name.isalpha():
            return name
        else:
            print("Please enter a valid name.")

user_1 = get_player_name(1)
user_2 = get_player_name(2)

# Get number of rounds
while True:
    try:
        rounds = int(input("How many rounds do you want to play? "))
        if rounds > 0: # if round is not a number or is negative makes it sure you do it again
            break
        else:
            print("Please enter a positive number.") 
    except ValueError:  # if the value you put in was not a number and it break the code it check that and reset it
        print("Invalid input. Please enter a number.")

# Game loop
for round_num in range(1, rounds + 1):   # Make it so it dispay the round number without displaying the amount you put for amount of round
    print("Round " + str(round_num) + " starts!") # prints the round number at every round
    chips_left = MAX_CHIPS # reset chips to 21 after every round
    
    while chips_left > 0: # round loop
        print("Chips left: " + str(chips_left)) # prints how many chips are left
        
        # Player 1's turn
        while True:
            try:
                chips_taken = int(input(user_1 + ", how many chips do you want to take (1-3)? ")) #input for many how chips you want
                if 1 <= chips_taken <= 3: # checks if it from 1 - 3
                    break
                else:
                    print("You can only take 1, 2, or 3 chips.")
            except ValueError: # Check if a input is invalid like it not a number
                print("Invalid input. Please enter a number between 1 and 3.")
        
        chips_left -= chips_taken # minus chips taken from the amount of chips
        if chips_left <= 0:
            score_1 += 1
            print(user_1 + " wins this round!")
            break
        
        print("Chips left: " + str(chips_left)) # prints how many chip are left after every turn
        
        # Player 2's turn
        while True:
            try:
                chips_taken = int(input(user_2 + ", how many chips do you want to take (1-3)? "))
                if 1 <= chips_taken <= 3:
                    break
                else:
                    print("You can only take 1, 2, or 3 chips.")
            except ValueError:
                print("Invalid input. Please enter a number between 1 and 3.")
        
        chips_left -= chips_taken
        if chips_left <= 0:
            score_2 += 1
            print(user_2 + " wins this round!")
            break

# Check who wins
print("Game over!")
if score_1 > score_2:
    print(user_1 + " wins the game with " + str(score_1) + " points!")
elif score_2 > score_1:
    print(user_2 + " wins the game with " + str(score_2) + " points!")
else:
    print("It's a tie!")