One thing to keep in mind.

Weed will make everything artificiality better.

Food, sex, music, hikes, gaming... Everything.

If you drop weed, and face the pain of raw reality, the motivation to improve your life will also be real.

My recommendation is:

Read "Meditations" by Marcus Aurelius

Focus on Dichotomy of Control.

Hit the gym. This is my best antidepressant.

I would wish you luck, but you won't need it.

You will take control. Then win