You should use your 5th amendment right to remain silent.
You should use your 6th amendment right to ask the court IF you qualify for a public defender.
You are INNOCENT until the state PROVES any charges levied against you.
Contemplating what might happen if you're convicted is like trying to prove if Big Foot exists, an exercise in futility.
Such considerations, your guilt that is, is akin to surrendering.
During the pendency of any criminal matter you should remain silent, calm, and discuss any aspect of your charges ONLY with your attorney.