Dating : What should i do? Please i need moral support and advices

Dating : What should i do? Please i need moral support and advices

Hi everyone, first of all please excuse me if my english is scuffed, its not my main language.
Now here is my story.

Hi and thanks for reading me. Im 17 and ive never had a girlfriend. Ive never had a big success with girls.

About a month and a half ago, i went to the bar with a couple of friends (legal when youre 16 in my country). There was that girl who is in my school but i never really talked to her even tho we have friends in common. I saw her sometimes before class because she came to see our common friends. But that day at the bar, we talked, i had fun and it seemed like she had fun too.
It happened 3 times, same bar, same friends, same girl.There was such a connection between the two of us. I started to like her and i thought she liked me too. After that, we started texting and everything went great. At the end of the year, there was Prom and i knew for sure that she wanted to go with me ( a friend of hers told me ). After some days of texting, i asked her if she wanted to spend some time at the park with me during lunch time, i was so stressed because it was my first date ever. I wanted to see if the chemestry was still the same even if our friends were not around, it was. I also asked her to Prom that day, i was so happy when she said yes. Prom was planned a week after the exams.

During the following weeks i could not see her because we were in exams so we only texted but i felt like she was getting distant. My friends said it was no big deal and it was because of the exams but i felt like it was something different, like i did something wrong.

After the exams, we went to the same party and she ignored me. She barely talked to me. I started to get worried because everything was going so well 2 weeks before. Im the kind of guy who gets feelings fast so that really hurt.

We ended up going to Prom some days ago. She was so beautiful in dress. And thats when i understood that my fears were founded because she was once again distant, she spent most of the night with her friends, like she didnt want to face me. She even refused to take pictures with me and i felt pain. At the end of the Prom, she accepted to dance with me and that was probably one of the best moment of my life, even if it can seems ridiculous to you guys. After the dance, i talked her face to face and said i didnt understand her. That we had such a connection and that now she was ignoring me. And she said to me that she liked me even before we went to the bar, and she liked me when we flirted at the bar, but shes the kind of girl that when she likes a guy, when the guy starts to like her too and its getting a bit more « serious », she just stops liking the guy. She stopped liking me when i started to like her… I told her it was too bad not to try, and i said i thought she was afraid to be with someone. I was so sad.
Since then i only think about her, shes in my head every night and day. I feel like im in heartbreak but i dont know if thats possible because we were not even a couple.
I dont know what hurt the most, that she liked me before but not anymore or that i thought she could have been my first love. I feel like im broken.
She was the first girl to tell me she had liked me and the first girl i had such a connection with.
I dont think i will be able to find an other girl that awesome.
I dont even know if i like or love her at this point, because the pain is hard.
What should i do?
Please help me. I need moral support.

Some guy in pain.
Thanks for reading me.