Can dental bonding add thickness to teeth thinned really bad by acid? Also can they whiten yellow teeth that can't be whitened?

Another question is can i get bonding before braces? Hi. Im an 18 yr old guy and I always loved soda. I never really took care of my teeth until highshcool..i brushed when i was younger but only once a day..didnt floss. So i. Highschool cleaning my teeth was priority. I didnt understand why my teeth were so yellow so i tried whitening toothpaste. Didnt work...overall my teeth have been thinned by soda and my enamel shines threw and my teeth are really yellow.i also have to get braces for bite