At this point, no one can firmly confirm or deny anything about the Smollett case. What is clear and factual is the timeline of the events and the police reports that have been released.
The actual details of the night, the attack, any planning, and Smollett's hospital visit are all in the public record -- real or not. So we can confirm a crime was reported, treatment was administered, and the police have been investigating to the point of Smollett becoming a suspect for planning his own attack as a hoax.
The truth and details beyond that are still theories or speculation.