#############################################
#                                           #
#       Done!                               #
#                                           #
#############################################

import random
import sys
import time
import os
import platform

if platform.system() == "Windows":
    os.system('cls')
else:
    os.system('clear')
losses = 0
wins = 0
ties = 0

while True:

    if platform.system() == "Windows":
        os.system('cls')
    else:
        os.system('clear')


    print(f'''We are going to play a game of Rock, Paper, Scissors!
losses: {losses}  wins: {wins}  ties: {ties}''')


    # Computer choice:

    computer_choice = random.randint(1,3)
    if computer_choice == 1:
        computer_choice = 'Paper'
    elif computer_choice == 2:
        computer_choice = 'Rock'
    elif computer_choice == 3:
        computer_choice = 'Scissors'

    # Player choice:
    player_choice = input('What do you choose? Rock(R), Paper(P), or Scissors(S)?\n>')
    if player_choice == 'P' or player_choice == 'p':
        player_choice = 'Paper'
    elif player_choice == 'R' or player_choice == 'r':
        player_choice = 'Rock'
    elif player_choice == 'S' or player_choice == 's':
        player_choice = 'Scissors'
    else:
        print(f'The choice you made ("{player_choice}") is not valid. The program will now exit')
        sys.exit()

    # Playing the game:

    if computer_choice == player_choice:
        print('It is a tie!')
        ties += 1
        rematch = input('Would you like to play another game? (Y/N)\n>')
        if rematch == 'y' or rematch == 'Y':
            continue
        elif rematch == 'n' or rematch == 'N':
            print(f'''OK, thanks for playing! The final score:
wins: {wins}, losses: {losses}, ties: {ties}''')
            sys.exit()
    elif computer_choice == 'Rock':
        if player_choice == 'Scissors':
            print('You lost, you chose Scissors and the computer chose rock!')
            losses += 1
            rematch = input('Would you like to play another game? (Y/N)\n>')
            if rematch == 'y' or rematch == 'Y':
                continue
            elif rematch == 'n' or rematch == 'N':
                print(f'''OK, thanks for playing! The final score:
wins: {wins}, losses: {losses}, ties: {ties}''')
            sys.exit()
        elif player_choice == 'Paper':
            print('You won, you chose scissors and the computer chose rock!')
            wins += 1
            rematch = input('Would you like to play another game? (Y/N)\n>')
            if rematch == 'y' or rematch == 'Y':
                continue
            elif rematch == 'n' or rematch == 'N':
                print(f'''OK, thanks for playing! The final score:
wins: {wins}, losses: {losses}, ties: {ties}''')
                sys.exit()



    elif computer_choice == 'Paper':
        if player_choice == 'Scissors':
            print('You won, you chose Scissors and the computer chose paper!')
            wins += 1
            rematch = input('Would you like to play another game? (Y/N)\n>')
            if rematch == 'y' or rematch == 'Y':
                continue
            elif rematch == 'n' or rematch == 'N':
                print(f'''OK, thanks for playing! The final score:
wins: {wins}, losses: {losses}, ties: {ties}''')
                sys.exit()


        elif player_choice == 'Rock':
            print('You lost, you chose rock and the computer chose paper!')
            losses += 1
            rematch = input('Would you like to play another game? (Y/N)\n>')
            if rematch == 'y' or rematch == 'Y':
                continue
            elif rematch == 'n' or rematch == 'N':
                print(f'''OK, thanks for playing! The final score:
wins: {wins}, losses: {losses}, ties: {ties}''')
                sys.exit()


    elif computer_choice == 'Scissors':
        if player_choice == 'Paper':
            print('You lost, computer chose scissors and you chose paper!')
            losses += 1
            rematch = input('Would you like to play another game? (Y/N)\n>')
            if rematch == 'y' or rematch == 'Y':
                continue
            elif rematch == 'n' or rematch == 'N':
                print(f'''OK, thanks for playing! The final score:
wins: {wins}, losses: {losses}, ties: {ties}''')
                sys.exit()    


        elif player_choice == 'Rock':
            print('You won, computer chose scissors and you chose rock!')
            wins += 1
            rematch = input('Would you like to play another game? (Y/N)\n>')
            if rematch == 'y' or rematch == 'Y':
                continue
            elif rematch == 'n' or rematch == 'N':
                print(f'''OK, thanks for playing! The final score:
wins: {wins}, losses: {losses}, ties: {ties}''')
                sys.exit()