"""
-------------------------------------------------
   Project: Take-Away Game
  Standard: 91883 (AS1.7) v.1
    School: Tauranga Boys' College
    Author: YOUR FULL NAME
      Date: THE DATE YOU COMPLETED THE CODE
    Python: 3.5
-------------------------------------------------
"""
import time
#functions
def determine_winner(name1, name2, name1_score, name2_score):   #this is defining a fuction with four parameters
    if name1_score > name2_score:   #this part are the condtional statments that occor based on the differnt scores of the players
        print("Congratulations", name1, "you win. Better luck next time", name2)
    elif name2_score > name1_score:
        print("Congratulations", name2, "you win. Better luck next time", name1)
    else:
        print("It's a tie!")

def name_checker(name): #this defines the name checker function and is ready for it to be called upon to check a name
    if name.isalpha(): #if the name has alphabeical letter it returns valid or true
        return True
    else:   #if it doesnt it returns false and asks for a name with letters in the alphabet
        print("please write a name with letters in the alphabet")
        return False
#End of functions    
                
MAX_CHIPS = 21
name1_score = 0
name2_score = 0
chips_left = 0
chips_taken = 0

print("hello, weclome to the chips game, whoever picks the last chip wins.")

name1 = input("What is player ones name? ")
while not name_checker(name1): #calls upon the name checker function to check if name1 is valid, if it is valid it keeps going normally
    name1 = input("What is player ones name? ") #if its not valid it asks again

name2 = input("What is player twos name? ")
while not name_checker(name2):  #calls upon the name checker function to check if name2 is valid
    name2 = input("What is player twos name? ")    #if its not valid it asks again


while True:
    try:
        rounds = int(input("how many rounds would you like to play (1-5)? "))
        if rounds < 1 or rounds > 5: #if the user inputs a number above 5 or below 1, it asks again#
                print("please choose a number between 1 and 5 ")
        else:
            break
    except ValueError:
        print("please input a number between 1 and 5") #if they dont input anything, ask them again#

current_player = name1  #set current player to 1 for player one to start off the game

while rounds > 0:

    print("rounds left:", rounds)
    time.sleep(1)
    print("start of round")
    time.sleep(1)
    chips_left = MAX_CHIPS

    while chips_left > 0:   #while there are more than 0 chips left run this code#
        print("chips left:", chips_left)
        time.sleep(1)

        while True:
            try:
                max_chips_to_take = min(3, chips_left) # max chips a player can take is 3 or how many chips are remaining
                chips_taken = int(input(f"how many chips would {current_player} like to take from the pile (1-{max_chips_to_take})? ")) #current player is used as a function which means it can be switched out between player1 and player2 depending on whose trun it is
                if 1 <= chips_taken <= max_chips_to_take: # this checks if the chips taken is a valid number not below 1 or above the max_chips_to_take
                    chips_left -= chips_taken 
                    break
                else:
                    print(f"Please choose a number between 1 and {max_chips_to_take}") #if its not valid ask for a valid number
            except ValueError:
                print("please valid number, not below 1 and maximum is", max_chips_to_take) #if they dont input anything, ask them again#

        if chips_left < 1:  
            if current_player == name1: # if there are no chips left and current player is player1 increase player1 score by 1
                name1_score += 1
            else:   # if there are no chips left and current player isnt player1 (so it has to be player2) increase player2 score by 1
                name2_score += 1
            print(f"{current_player} has won the round! ")
            print(f"{name1} score:", name1_score, f"{name2} score:", name2_score) #at the end output the total scores of both players
            break
                
        if current_player == name1: #at the end, set up for the next players turn 
            current_player = name2 # if the current player is name1 change current player to player2 so its now his turn

        else:   # and if current player isnt player1 change is to player 1 (basicly if its player 2 change to player 1 for same reason as prevous comment)
            current_player = name1

    rounds -= 1

determine_winner(name1, name2, name1_score, name2_score) #this calls upon the function and gives it the values of the four parameters for it to then use to detemine what condtional statement to print