Not really an authority on lights but I can call in someone who will be glad to help with that.
Here is someone from another post…
Also I believe @dbrn32 has some input about lights.
As far as a tent, not really necessary as long as the smell is not an issue for you. They are helpful to keep temps and humidity in balance but airflow is most important of all. Best indoor results may be gotten with a tent but completely doable without one.