Okay, the first things to know are:
1) It takes time for doctors to get the diagnosis and medications sorted out and confirmed. They may try out several before it gets finalized.
2) It takes a long time for her brain to heal, even once she's on the right meds, so even when she stops having voices or paranoia, she'll likely have trouble thinking clearly and getting motivated. This is normal.
Here's some resources on psychosis and how to help:http://www.bcss.org/category/resources/psychosis/
I suggest starting with this one:
How to Help Recovery from Psychosis – What Family and Friends Need to Know
I'm glad you're here. Full recovery from psychosis is entirely possible with appropriate treatment. There is hope.