You might spend some time reading the different sections in this forum.
It sounds rather complex to me.
You might pretend you are her and take some of the tests on here.
Psychological Tests and Quizzes
Even if you come up with a totally accurate diagnosis I am not sure what good that will do. She has to want to get help and your Dad has to play a role in that. Pointing out all her behavior and how it affects you and the family is the best thing to do. The label doesn't matter it is the behavior. Phrase things in a non attack way using I statements. I think this.......I feel this when that happens.