function init(self)
	msg.post(".", "acquire_input_focus")

	if siwg then
		siwg.set_callback(gpgs_callback)
	end
end

function on_message(self, message_id, message, sender)

end

function on_input(self, action_id, action)
	if action_id == hash("touch") and action.pressed then
		if gui.pick_node(gui.get_node("login_btn"), action.x, action.y) then
			if siwg then
				print("Login Pressed!")
				siwg.login()
			end
		end

		if gui.pick_node(gui.get_node("silent_login_btn"), action.x, action.y) then
			if siwg then
				print("Login Pressed!")
				siwg.silent_login()
			end
		end
	end
end

function gpgs_callback(self, message_id, message)
	if message_id == siwg.MSG_SIGN_IN or message_id == siwg.MSG_SILENT_SIGN_IN then
		if message.status == siwg.STATUS_SUCCESS then
			print("SIWG ID: " .. siwg.get_id())
			print("SIWG DisplayName: " .. siwg.get_display_name())

			if sys.get_config("siwg.client_id") then
				print("SIWG id_token: ", siwg.get_id_token())
				print("SIWG auth_code: ", siwg.get_server_auth_code())
			end
			
		elseif message.status == siwg.STATUS_FAILED then
			print("Status: FAILED")
			print("Error: " .. message.error)
		end
	elseif message_id == siwg.MSG_SIGN_OUT then
		print("SIWG Logged out!")
	end

	print("SIWG is_logged_in: " .. tostring(siwg.is_logged_in()))
end