2008 Street Triple 675 Brokedown

Hello everyone,

So today I was riding my 2008 Street Triple 675 and suddenly heard a "very pleasant" metal scraping/rattling noise from down below, right after that I lost all gears, I can shift up but engine stops right away and now doesn't even start, also the back wheel seized up and drags on the ground. I also did more damage to it by pushing it / trying to start it, cause I was stuck on a hill at a rather busy intersection, so I had to do something to get out the way. Anyway what do you reckon happened and how fucked is it? I feel like its not worth repairing as the bill will be sky high, especially thanks to me trying to move it.