# Rock-Paper-Scissors Game
import random

options = ("rock", "paper", "scissors")
player = None
computer = None
running = True
still_playing = True
player_wins, computer_wins = 0, 0
player_losses, computer_losses = 0, 0
ties = 0

print("--------------------------------------------------")
print("          Python Rock-Paper-Scissors Game         ")
print("--------------------------------------------------")

while still_playing:
    while running:
        player = input("Enter your choice (rock, paper, scissors)  ").lower()
        while player not in options:
            print("INVALID entry")
            player = input("Please enter your choice (rock, paper, scissors)  ").lower()
            continue      
        computer = random.choice(options)
        if player == "rock" and computer == "scissors":
            print(f"  Player choice: {player} ")
            print(f"Computer choice: {computer}")
            print("You win!")
            player_wins += 1
            computer_losses += 1
            print("--------------------------------------------------")
            break
        elif player == "paper" and computer == "rock":
            print(f"  Player choice: {player} ")
            print(f"Computer choice: {computer}")
            print("You win!")
            player_wins += 1
            computer_losses += 1
            print("--------------------------------------------------")
            break
        elif player == "scissors" and computer == "paper":
            print(f"  Player choice: {player} ")
            print(f"Computer choice: {computer}")
            print("You win!")
            player_wins += 1
            computer_losses += 1
            print("--------------------------------------------------")
            break
        elif player == computer:
            print(f"  Player choice: {player} ")
            print(f"Computer choice: {computer}")
            print("It's a tie!")
            ties += 1
            print("--------------------------------------------------")
            break
        else:
            print(f"  Player choice: {player} ")
            print(f"Computer choice: {computer}")
            print("You lose!")
            player_losses += 1
            computer_wins += 1
            print("--------------------------------------------------")
            running = False
    answer = input("Play again? (y/n) ").lower()
    if not answer == "y":
        still_playing = False      
        print("--------------------------------------------------")
        print("                  Game Score Recap                ")
        print("--------------------------------------------------")       
        print(f"Player had {player_wins} win(s), {player_losses} loss(es) and {ties} tie(s).")
        print(f"Computer had {computer_wins} win(s) and {computer_losses} loss(es).")
        if (player_wins > 0 and computer_wins >= 0) or (player_wins >= 0 and computer_wins > 0):
            player_percentage_wins = player_wins/(player_wins + computer_wins) * 100
            print(f"Player win percentage is:  {player_percentage_wins:.1f}%")
            print("--------------------------------------------------")
            print("Thanks for playing.  Goodbye!\n")
        else:
            print("No one scored in this game!")  
            print("--------------------------------------------------")
            print("Thanks for playing.  Goodbye!\n")
    else:
        running = True
        still_playing = True