The burden is on the landlord to prove that you are in violation of the lease agreement. I would recommend taking pictures of the property to show that there is no damage other than normal wear and tear. Pay your rent on April 1st (assuming your rent is due on the 1st) with a witness or by certified mail, in case they try to refuse it or claim you didn't pay on time. Go to your court date and try to prove that the grounds for eviction in the landlord's petition are not true. If you lose in justice court, you have five days to appeal and have your case heard by a different judge in county court.
This answer is offered as a public service for general information only and should not be relied upon as legal advice.