Help me i violated probation i am a minor. i dont know what to do will i get violation for faild test thc help

i live in MA im 16 and i was put on probation 1yeah go 4a stolen bike. i violated probation for not doing all my community service. then before i went to court i got arrested for my ten year old friend lit a match and dropped it in the trash can. i was with him so i got charged with a misdmnr(willful burning of property under 25$) but i was arrested and sent to jail for 1 night. court next day my attorney said that i cud go to a 6 month treatment program so i went there also i went to a 21 day drug rehab. then and now im home i have court tuesday. i just failed a drug test for thc there was only a little bit thc in it. i told my PO that i was in a car with people who were smoking and i didnt know but it appeared there was not much in my system because i dilluted my urin . now i think i have 2 violation my parents lawyer are saying that i go to this other stupid treatment program for a year or i go to jail till im 18 is there any way to not go to either wat kind of lawyer do i need to d