2playeraddgame.rb

require 'pry'

class Question

  def initialize
    @num1 = rand(1...20)
    @num2 = rand(1...20)
  end

  def to_string
    puts "What is #{@num1} + #{@num2}"
  end
 
  def correct_answer
    @answer = @num1 + @num2
  end

  def is_correct?(user_input)
    user_input == @answer
  end


end


class Player
  attr_accessor :name, :lives, :points
#A player needs to identify themselves
  def initialize(name)
    @name = name
    @lives = 3
    @points = 0
  end

  def answer_correct
    @points += 1
  end

  def answer_incorrect
    @lives -= 1
  end

end



@turn = 0

puts "Welcome to the Ruby math game"
puts
puts "Please enter your name Player 1"
@input = gets.chomp
player1 = Player.new(@input)

puts "Please enter your name Player 2"
@input = gets.chomp
player2 = Player.new(@input)

puts "Thanks, now we can begin"

while player1.lives > 0 && player2.lives > 0
  
  question = Question.new

  case @turn 
  when 0
    puts "Player 1's turn"
  when 1
    puts "Player 2's turn"
  end



question.to_string 
question.correct_answer
user_input = gets.chomp.to_i






if @turn == 0 && question.is_correct?(user_input)
  puts "Correct!"
  player1.answer_correct
  puts "Player 1 has #{player1.points} points"
  @turn += 1
elsif @turn == 0 && !question.is_correct?(user_input)
  puts "Incorrect!"
  player1.answer_incorrect
  puts "Player 1 has #{player1.lives} lives left"
  @turn += 1
elsif @turn == 1 && question.is_correct?(user_input)
  puts "Correct!"
  player2.answer_correct
  puts "Player 2 has #{player2.points} points"
  @turn -= 1
elsif @turn == 1 && !question.is_correct?(user_input)
  puts "Incorrect!"
  player2.answer_incorrect
  puts "Player 2 has #{player2.lives} lives left"
  @turn -= 1
end
  
if player1.lives == 0
  puts "Game over, Player 2 wins!"
elsif player2.lives == 0
  puts "Game over Player 1 wins!"
end

end