You can seek a diversion program and and DISMISSAL. You do NOT want to be convicted of misdemeanor possession because (1) if affects future job prospects, (2) if you are an Alabama resident you lose your license and (3) the next marijuana arrest is automatically a felony charge.
Please don't tell us about your medical marijuana card. IT DOES NOT WORK IN ALABAMA. Check back in 2099, and then it may be partially legal.