Sean Sehr's Tic Tac Toe final

week7/homework/features/step_definitions/tic-tac-toe-steps.rb

@@ -35,7 +35,7 @@
 
 Then /^the computer prints "(.*?)"$/ do |arg1|
   @game.should_receive(:puts).with(arg1)
-  @game.indicate_palyer_turn
+  @game.indicate_player_turn
 end
 
 Then /^waits for my input of "(.*?)"$/ do |arg1|

week7/homework/features/step_definitions/tic-tac-toe.rb

@@ -0,0 +1,142 @@
+class TicTacToe
+  attr_accessor :board, :player
+  attr_reader :player_symbol, :computer_symbol
+  SYMBOLS = [:X, :O]
+
+  def initialize current_player = (rand() > 0.5 ? :computer : :player), symbol = SYMBOLS.sample
+    @player = "Player"
+    @computers_turn = current_player == :computer ? true : false
+    @player_symbol = symbol.to_sym
+    @computer_symbol = @player_symbol == SYMBOLS[0] ? SYMBOLS[1] : SYMBOLS[0];
+    @game_over = false
+    @player_won, @computer_won = false, false
+
+    @wins = [      
+      [:A1,:A2,:A3],
+      [:B1,:B2,:B3],
+      [:C1,:C2,:C3],
+
+      [:A1,:B1,:C1],
+      [:A2,:B2,:C2],
+      [:A3,:B3,:C3],
+
+      [:A1,:B2,:C3],
+      [:C1,:B2,:A3]
+    ]
+
+    @board = {
+      :A1 => " ", :A2 => " ", :A3 => " ",
+      :B1 => " ", :B2 => " ", :B3 => " ",
+      :C1 => " ", :C2 => " ", :C3 => " "
+    }
+  end
+
+  def welcome_player
+    "Welcome #{@player}"
+  end
+
+  def current_player
+    @computers_turn ? "Computer" : @player
+  end
+
+  def computer_move
+    spot = computer_find_spot
+    @board[spot] = @computer_symbol
+    @computers_turn = false
+    spot
+  end
+
+  def computer_find_spot
+    open_spots.sample
+  end
+
+  def indicate_player_turn
+    print "#{@player}'s Move:"
+  end
+
+  def get_player_move i = gets
+    indicate_player_turn
+    i.chomp.upcase.to_sym
+  end
+
+  def player_move
+    spot = get_player_move.to_sym
+    r = spot
+    if @board[spot] != " "
+      r = spot_taken
+    else
+      @board[spot] = @player_symbol
+      @computers_turn = true
+    end
+    r
+  end
+
+  def spot_taken
+    print "spot already taken:"
+    player_move
+  end
+
+  def open_spots
+    spots = []
+    @board.each{|k, v| spots << k if v == " " }
+    spots
+  end
+
+  def determine_winner
+    @wins.each do |win|
+      if (@board[win[0]] == @board[win[1]] && @board[win[1]] == @board[win[2]]) && @board[win[0]] != " "
+        @game_over = true
+        if @board[win[0]] == @player_symbol
+          @player_won = true
+        else
+          @computer_won = true
+        end
+      end
+    end
+  end
+
+  def spots_open?
+    r = false
+    @board.each do |k, v|
+      if v == " "
+        r = true
+      end
+    end
+    r
+  end
+
+  def computer_won?
+    determine_winner
+    @computer_won
+  end
+
+  def player_won?
+    determine_winner
+    @player_won
+  end
+
+  def over?
+    !spots_open? || @game_over ? true : false
+  end
+
+  def draw?
+    r = false
+    if over? && player_won? == false && computer_won? == false
+      r = true
+    end
+    r
+  end
+
+  def current_state
+    <<-eos
+
+         a   b   c"
+
+     1   #{@board[:A1].to_s} | #{@board[:B1].to_s} | #{@board[:C1].to_s}
+        --- --- ---
+     2   #{@board[:A2].to_s} | #{@board[:B2].to_s} | #{@board[:C2].to_s}
+        --- --- ---
+     3   #{@board[:A3].to_s} | #{@board[:B3].to_s} | #{@board[:C3].to_s}
+    eos
+  end
+end