1) Calm down.
2) DO NOT power on or charge the phone for ANY reason.
3) Bury the phone in dry white rice (Silica desiccant is better if available)
4) Leave it there for one WEEK, in a warm DRY place.
5) After you make SURE it is 100% DRY, charge the phone.
6) Don't drink so much.
Good Luck.