Stressed about baby coming

Emmy
Ive been really excited about my baby coming so soon up until this past week. Ive been so distraught and stressed and i honestly feel guilty bringing a baby into such a messed up situation. My babys father has been pretty uninvolved during my pregnancy but i was gonna at least let him be there for the birth and visit the baby and now i dont wanna do that. Everything seemed ok and he promised me he got clean and was getting his life on track but this week he showed up at my door and was clearly on something/overdosing. I got him medical help and the hospital found meth and heroin in his system and hes been lying to me this whole time. He also lied to me and told me he wasnt seeing anyone (hes always trying to get back together with me but i left him for a reason.) i found out hes been living with a girl for some time now and she has track marks all over her arms and encourages his drug use. I thought everything was going well until this week and now im utterly shocked and disappointed. I just dont know what to do. Im terrified of going into labor now because of everything ive already been through this week.