Rock-Paper-Scissors bad

RPS_bad.rb

CHOICES = ["Rock", "Paper", "Scissors"]

def new_game
  print %q"Let's play some Rock-Paper-Scissors!
  Enter your choice below:
  >"
  
  outcome
end

def player_choice
  player_input = gets.chomp.capitalize
  
  if !CHOICES.include?(player_input)
    new_game
  end
end

def computer_choice
  CHOICES[rand(3)]
end

def outcome
  player_decision = player_choice
  computer_decision = computer_choice
  decision = if player_decision == "Rock"
    if computer_decision == "Rock"
      "draw"
    else
      computer_decision == "Paper" ? "lose" : "win"
    end
  elsif player_decision == "Paper"
    if computer_decision == "Paper"
      "draw"
    else
      computer_decision == "Rock" ? "win" : "lose"
    end
  else # player_decision == "Scissors"
    if computer_decision == "Scissors"
      "draw"
    else
      computer_decision == "Rock" ? "lose" : "win"
    end
  end

  puts "You chose #{player_decision} and the computer chose #{computer_decision}. You #{decision}!"
end