mix tenses

Anne is seeing her best friend tonight along with another friend of hers. She hadn't seen her best friend in a long time so she wanted to see her first alone to catch up. At the time the sentence is said, she's seen her best friend alone, and tonight she will see both of them. How would you write the sentence?

I don't want to see both of them together tonight without having seen my best friend alone first.
I don't want to see both of them together tonight if I hadn't seen my best friend alone first.

Is this the correct way to write "At the time the sentence is said, she's seen her best friend alone"?
thanks