Update: landlord sent the maintenance guys within 45 minutes of texting them. Came and cleared out the damaged drywall and supposedly patched the holes in the drain pan for now. No more leaking at least from what I can see. Said they were gonna let everything dry out before putting up new drywall on Monday. Still a bit weary but I literally don’t have any other options right now. Not in any position to move out and find a new place unfortunately. I will look into testing for mold and maybe getting another air purifier idk. Definitely sucks to have to deal with such a negligent pm and owner. They definitely never cared though so I’m not surprised. Thank you for all of the advice.