If I eat sugar or greasy food I get tired but if I don't have sugar I get very shackey&feel like im gonna pass out I get hot and my hands turn purply?

Insulin resistance. You have apparent Insulin resistance . If you don't eat sugar then you develop hypoglycemia. I think that you need to eat more protein with your meal. I suspect that you are apple prone to metabolic syndrome. Hypoglycemia is the first manifestation fo for many patients.