This won’t do all the work for you, but it and the other posts in this thread are a start: Sketch Lines - Edit, Copy, Paste - #6 by jacob.small
I understand that you’re new, but until you learn some advanced stuff you’re going to be limited to basics, so it’s either going to be a few weeks of learning or settling for not generating all the content.
You might also want to look into wall by face methods, as this is a bit easier to semi automate (place the mass with Dynamo, then manually generate the walls with a few clicks).