Post 4

class Game
    attr_reader :board, :computer_player, :human_player, :no_space
    def initialize(board, computer_player, human_player)
     @board = board
     @computer_player = computer_player
     @human_player = human_player
     @no_space=no_space
     end
     
     @no_space=8
     
    def game_over?
    @no_space=0
    end

    def end_game
    print "The game has ended!" if game_over?
    end
end

class Board

    attr_reader :computer_player, :human_player, :user_interface, :board
    
    def initialize(computer_player, human_player, user_interface)
      @computer_player= computer_player
      @human_player= human_player
      @ui= user_interface
      @board={"1"=>"1", "2"=>"2", "3"=>"3", "4"=>"4", "5"=>"5", 
    "6"=>"6", "7"=>"7", "8"=>"8", "9"=>"9"}
    end
    
     def fill_space(computer_player, human_player)
      if computer_player.computer_move
        @board[computer_player.computer_move]="X"
        puts "Computer chose space number #{computer_player.computer_move}"
      else
        @board[human_player.human_move]="O"
        puts "Human chose space number #{human_player.human_move}"
      end
        @ui.display_board
    end
    
 end
 
class ComputerPlayer

  attr_reader :computer_move, :board

  def initialize(board)
    @computer_move=computer_move
    @board = board
  end

  @computer_move=[]

  def make_move
    move=[]
      @board.each do |k, v|
        move << k if @board[k]!= "X" && @board[k]!="O"
        move.map!(&:to_s)
        pick_one=move[-1]
        @computer_move << pick_one
        @no_space -= 1
        end
    end
end

class HumanPlayer

  attr_reader :human_move, :board, :user_interface

  def initialize(board, user_interface)
    @human_move=human_move
    @board=board
    @ui = user_interface
  end

  @human_move=[]

  def user_turn
    @ui.user_prompt
    answer=gets.chomp
    if @board[answer] !~ /\d+/
      @ui.user_error
    elsif @board[answer].include? "X" || "O" 
      @ui.user_error
    else
      @human_move << answer
      @no_space -= 1
    end
  end
end