It is much more common than decent code that just lets you iterate and implement good stuff. Also the lesson to take away: code like this is everywhere and ofte

It is much more common than decent code that just lets you iterate and implement good stuff. Also the lesson to take away: code like this is everywhere and often it powers the things you really do not want to be run by something like that. Considering that you will face this probably with your next employer again, deep breath and just enjoy the actual engineering work!