i got pulled over for no tag light i told him he was profiling me and it was working and then he came back and asked if he could search i said no l

i was driving home after dropping a person off to airport .the cop said my tag light was to dim it was a bright led i said he was profiling me and that its visible from 50 meters how can that be he then came back and asked if i had drugs or weapons i said no .and would like to go home and if hes not writing me a ticket then alow me to go on my way . then he went back to car and came back and said so you are refusing me to search your vehicle and i said yes so he went back to car and called for a dog the dog was a puppy that came and didint bark or find anything but i was later searched and had a bag of pot in my watch pocket the pants where my buddys that left them in my home now i went to jail i was not under the influince or drunk