Gallbladder?

i have gall stones i was susposed to have surgery like a month ago and i chickend out...but im gonna go and have it done because it has been hurting pretty bad here lately so i wanna just get it done and over with it has to come out one day..so my question is what foods can i eat that wont make my gallbladder hurt? i know not to eat spicy and greasy foods...thanks