/
player.rb
71 lines (58 loc) · 1.29 KB
/
player.rb
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require File.dirname(__FILE__) + '/board'
require File.dirname(__FILE__) + '/winning_space'
require File.dirname(__FILE__) + '/fork_space'
module TicTacToe
class Player
def initialize(player, board)
@player = player
@board = Board.new(board)
end
def opponent
@player == "X" ? "O" : "X"
end
def move
space = win
space ||= block
space ||= create_fork
space ||= block_fork
space ||= first_move
space ||= center
space ||= opposite_corner
space ||= corner
space ||= edge
space
end
private
def win
WinningSpace.find @player, @board
end
def block
WinningSpace.find opponent, @board
end
def create_fork
ForkSpace.find @player, @board
end
def block_fork
ForkSpace.block opponent, @board
end
def first_move
if @board.spaces.all? { |space| space.open? }
[center, corner].sample
end
end
def center
@board.open_spaces.detect { |space| space.center? }
end
def opposite_corner
@board.open_corner_spaces.detect do |space|
space.opposite_marked_by? opponent
end
end
def corner
@board.open_corner_spaces.first
end
def edge
@board.open_edge_spaces.first
end
end
end