Where do I go from here

I broke up with my baby daddy today… He’s always been disrespectful to me and hasn’t treated me well at all, but I’ve tried so hard to get past it and make the relationship work during pregnancy. He was barely around during pregnancy due to working and He left to go work a fifo job for three months knowing he will miss the birth. (he has not paid for anything for this child despite working so much he has no money due to spending it on vapes, drugs, stupid mobile games and Xbox shit) It was just me and the baby (with help from family and friends) for the past 6 1/2 weeks. He finally came back from work and met his daughter under 24 hours later he’s getting ready to go leave us and smoke weed at his mates house. Then he gets pissed off that I’m upset about it. He was home for all of 48 hours and never changed a nappy, He told me all these stories about how he raised his nieces and nephews and knew how to deal with babies (turns out that was a liar. His mum confirmed he never even cared for a cuddle with his niece and nephews) he also almost suffocated our daughter when trying to cuddle her, almost hanging her up upside down and not supporting her neck, playing with her when she’s trying to sleep, he also stuck his finger in her mouth (he doesn’t wash his hands and be scratching his arse crack in his balls hours prior) he got pissy that I was upset about that I tried to be kind and teach him how to look after a baby but he just took it as me being a “ helicopter Mum” he walked out on us then came back in the middle of the night trying to act like nothing happened. I made it very clear. He does not vape in the house or around her but I woke up at 5 am to him Vaping next to us, after I woke up that morning, I took the baby and me for a walk to talk to my mum I made a decision that I will leave him, I told him that it wasn’t working between us but he continues to try hug and kiss me and telling me he loves me. I have given him so many chances in our relationship itself. Also sidenote after pissing him off by trying to talk to him about parenting he pissed on my bathroom floor (purposely missing the toilet) he was home for the 48 hours before I had to break up with him and he is currently at his mates house high as a fucking kite… I would like to give him another chance of being a father if he’s sober but I truly doubt he will be. We were doing so good while he was away, so I’m not too worried but I am concerned around custody… I want to protect my child and at the moment that looks like protecting her from her father. What support is there out there for a single Mums dealing with drug addicted baby daddies etc any advice or comments is welcome lol Thank you for reading. I truly needed an outlet! I am happy I left him those couple days. He was here. I’ve never felt so stressed and depressed!