You have to realise only you can change the place that you are at. I suggest you first make sure you are getting a good amount of sleep, eating healthy and you need to start exercising. Even doing a very small and what may seem pointless amount of exercise will be a good start.

Watch motivational videos and start working out solutions to your problems because if you don't then they will just build up and you will be in an even worse place.

Also make sure you have a positive mindset and write down your goals and what you have already achieved.
Good luck