interface.rb

horse_names = ["Joel", "Andy", "Nadia", "Joey", "Filhinho Papai"]

puts "Welcome to the horse race"
balance = 100

loop do
  puts "-----=======-----"
  puts "Here are the horses:"
  horse_names.each_with_index do |name, index|
    puts "#{index + 1}. #{name}"
  end

  puts "Which horse you want to bet on? (type below)"
  puts "You currently have $#{balance}"
  user_bet_index = gets.chomp.to_i - 1
  user_bet = horse_names[user_bet_index]

  balance -= 10
  puts "You now have $#{balance}"

  puts "You're betting on #{user_bet}. Good luck to your horse!"

  race_results = horse_names.shuffle
  winner_name = race_results.first
  puts " the results are in!"

  race_results.each_with_index do |name, index|
    puts "#{index + 1}. #{name}"
  end

  puts "The winner is: #{winner_name}"
  if winner_name == user_bet
    puts "Congratulations! #{winner_name} won!"
    puts "You just won $50"
    balance += 50
  else
    puts "So sorry! Better luck next time!"
  end

  puts "-----=====-----"
  if balance < 10
    puts "Get lost!, you're out of money."
    break
  end

  puts "Do you want to bet again? (y/n)"
  puts "You currently have $#{balance}"
  user_answer = gets.chomp
  break if user_answer == "n"
end

puts "See you again another day!"