What you have been through and done is something that many adolescents go through in different shapes and forms. Some experiment with habits relationships and so on. This is usually a temporary phenomenon till one settles down in terms of who you are,what do you stand for. Please focus on your immediate and long term goals, be mindful and maintain healthy mental health habits.
Health Tips
If you start getting worse , sleep issues, appetite issues, suicidal then get professional help.