Fir or drive belts torn, worth repair?

Hello and have a nice evening at all! I’m “new” here, so please forgive me if I should do something wrong…. After being torn on the highway of the front (or also called drive belts ), I have now received various statements from “experts”… from up to is not worth it, you can only see about that when you have opened the engine block and see how many valves and pistons are damaged up to that you could not give any guarantee that the engine after the repair Who of you has experience and can really tell me what to do? The car has just been paid off for a few months, was a new car and with us in first hand… And now everything SCHROTT ???? The mileage is about 82,000km. The transmission has already been replaced before about 10,000km…. Unfortunately must drive often and a lot with a trailer…. Would be very happy about help and tips. warm DANK in advance Dear greeting to all