You’re not confused — you’re disappointed. You know what the deal is because he’s been clear with you — you just haven’t been clear with ourself. He told you from day one that he was committed to the mother of his child even though she is in another country, and it sounds like they have a long distance relationship that is romantic. That said, he’s also dating you.
The big question is, are you okay with this? If you are, then you should enjoy yourself. But if you’re looking for a monogamous commitment, it’s always best to date a guy who isn’t involved with someone else from the get go. 😉 This guy is being very clear that he likes you a lot and he has feelings for you, but he’s also involved with his child’s mother. The ball is in your court. Focus on your personal goals and then see them through. You have to make decisions about your own dating life. You can’t wait for others to do it for you — it’s not their job. It’s yours. 🙂