OK, No lawyer here for you, just a person who's had a couple of dui's myself.
My guess is they snipped your license into little pieces. Too late but FST was not something I think you even had to take.
Now, BAC test, sounds like, you knew you were guilty, so you declined it. I would say good move, why prove yourselve any more guilty than you likely already did with FSTs?
Now moving on. You need a lawyer and but fast! In my opinion.
Let me get this straight, you have been found guilty of 2 previous DUI's? This is looking probably bad! I am no lawyer so don't take my word for it, but that does not sound good to me. I'd hire a lawyer instantly and shut your mouth about details on this encounter. Even on this message board.
It sounds like noone was hurt which is good. No clue on serving time. Loss of license is probable. But I have no idea obviously.