ttt-ai-1.rb

module Players
  class Computer < Player
    def move(board)
      possible_moves = ["1", "2", "3", "4", "5", "6", "7", "8", "9"]
      valid_moves = []
      possible_moves.each do |move|
        valid_moves << move if board.cells[move.to_i-1] = " "
      end
      valid_moves.sample
    end
  end
end