require 'socket'

SERVER = "143.60.60.29"
PORT = "12345"

$app = Shoes.app do
  # => background(gradient('#CFF', '#FFF'))
  @output = stack(:heigth => 600, :width => 450, :margin => 10)

  def display text
    @output.append do
      para text
    end
  end

  box = edit_box
  button "Send" do
    $chat.send(box.text, 0, SERVER, PORT)
  end

end

$chat = UDPSocket.new
$chat.bind("0.0.0.0", PORT)

Thread.new do

  $chat.send("HELO", 0, SERVER, PORT)

  while !nil
    input, sender = $chat.recvfrom(255)

    if /PIN/.match(input)
      $chat.send("HI", 0, SERVER, PORT)
    else
      $app.display(input)
    end
  end
end