Go to the Police now – I was deliberately hit by a car last year (going to court next month). You should report it as a hit and run incident and do so within 24 hours so time is of the essence. This isn’t something to leave for a few days. I’d also point out that the driver didn’t provide insurance details. Get an incident ref no for when you report it to your home insurers.
Take pics of the bike and the damage and write down a detailed account of what happened, the sequence of events, the conversation you had with the driver, their response, name of the driver, reg no etc. Also record what the conditions were like e.g. clear skies, cloudy, visibility, time of day etc. It’s also a good idea to take a picture of the scene of the incident as well. Go to a local bike shop and get them to independently write a report of the damage and the replacement cost of the parts. It may well be that your frame is out of alignment and will need replaced.
Good luck.
Sanny
PS I’d be pushing the investigating officer to pursue a careless driving charge on this. Not looking isn’t a good excuse in my book. be polite but firm and don’t be fobbed off. I’m impressed by your calmness over this. You are clearly one chilled out dude. 😀