"He said that I knew he had a problem yet did nothing to help him, not put my arms around him when he needed me the most and he is now moving on and he wished me well for my future."
Bovine excrement, times a zillion. With that sentence, he is informing you that his recovery will never be his responsibility and that in fact, he is not in recovery, even if he is dry at the moment.
You did everything you could and more than you should and more than most would. Say good-bye in your head and your heart and move on with a clear conscience.