I might be gay

I thought I was straight my whole life. I never liked girls all through middle school, up until this year. I'm a junior in high school. there was this girl, and I was mesmerized by her. she was so gorgeous to me, and at first I thought I just wanted to be her. I was literally obsessed with her. it felt so good to have a crush on someone (I go to an all-girls school so I thought I would never have a school crush again). it was such a rush. I finally hung out with her a few times and gaslighted myself into thinking maybe she liked girls too. (I still thought I was straight). the second time we hung out we got into a really deep conversation. i was trying to ask questions that would hint her sexuality, but I didn't want to pry or anything. she started talking about how so many people assume that she's gay.... but she's fully straight. I was devastated but had to stay neutral so she didn't suspect anything. I was really butthurt about that for a while. I actually got over her really quickly because i knew there would never be anything between us. (obsession usually happens when we fear rejection in some way, but since I knew she would never like me I was no longer so obsessed with her). even though I didn't have an obsession with this particular girl, it still made me question my sexuality. I've had crushes on boys before, so I thought maybe I was bi?? but ever since I liked this girl, I haven't had any interest in any guys. like I literally have no motivation to snap or text any males. none. I don't know what to do. I literally have no idea what to do. im sure most of my friends would accept me if I came out and my parents too, but there are some prominent people in my life that are kind of homophobic. It's just so overwhelming. am I gay, bi, straight, confused???????? please help if anyone has any advice.