Wow, I'm so sorry you had to come home to a smashed up house
That had to be really scary.
Do you know if there is pro bono legal advice for DV cases in your area? That will at least let you know how things work where you live.
You may also want to read about high-conflict personalities on
www.highconflictinstitute.com. Bill Eddy is a former social worker who then became a family law attorney, and has some good advice about how to run the legal gauntlet with a high conflict person.
One of the things we have to think about is whether you want any more negative engagement. People with high-conflict personalities may take things to court simply to stay engaged. If it's negative engagement, doesn't matter.
For that reason, you may want to prioritize strategies that minimize conflict, both in the near-term and the long-term. If the computer stays in your possession, you have to weigh whether that will keep him engaged with you.
You also have to weigh whether giving him the computer back means you have no recourse for repair repayment.
First, tho, you may want to find out exactly how things work where you live.
Glad you're safe! And dating someone nice.
LnL