Done

lib/game_status.rb

@@ -1,6 +1,47 @@
 # Helper Method
+require "pry"
+
 def position_taken?(board, index)
   !(board[index].nil? || board[index] == " ")
 end
 
 # Define your WIN_COMBINATIONS constant
+ WIN_COMBINATIONS = [
+  [0,1,2],
+  [3,4,5],
+  [6,7,8],
+  [0,3,6],
+  [1,4,7],
+  [2,5,8],
+  [0,4,8],
+  [2,4,6]
+ ]
+
+ def won?(board)
+WIN_COMBINATIONS.detect do |winning_combo|
+  position_taken?(board, winning_combo[0]) && (board[winning_combo[0]] == board[winning_combo[1]] && board[winning_combo[1]] == board[winning_combo[2]])
+end
+end
+
+def full?(board)
+  board.all?{|space| space == "X" || space =="O"}
+end
+
+def draw?(board)
+  board.all?{|space| space == "X" || space =="O"} && !won?(board)
+end
+
+def over?(board)
+  board.all?{|space| space == "X" || space =="O"} || won?(board)
+end
+
+def winner(board)
+#check for a winner
+if wins = won?(board)
+  board[wins[0]]
+end
+#if we find a winner, return value on the board of which player won
+#if not, return nil
+end
+
+