Honestly, the behavior you faced is horrific and clearly a huge red flag that your feelings do not matter and this individual can also be dangerous. Better to see it now and not be trapped with an individual that can get dangerous like this.

IMO you should tell the police and have a restraining order and you should block him from being able to text or call you.

I would send one text explaining the truth and that his choice to blow up and threaten you is not anyone you care to engage with. End it with telling him you do not want any more interaction period. Then immediately block him.

Someone that can behave this way is not anyone you should spend any time with. This is not just bad behavior it’s extreme and dangerous.