Your main issue is what, specifically is wrong with it. You need to find this out before proceeding with a response, if that response is to be effective.

From what ive been reading it needs a good cut back...im just not sure when the right time to cut it back would be.

For my indoor collection, I almost never cut mine back hard to much older wood , during their natural slowdown in growth here , starting in early fall usually since new growth once indoors in the much lower light is much too spindly and would likely have to be removed again come springtime, but usually by late January or February here as daylight increases , the plants do tend to come out off their winter doldrums for new growth and that's in my opinion the best time to prune them heavily sometimes, though I fear if cutting back to very old growth , many woody plants have a hard time putting on new growth from very old growth when it's pruned .

Thankyou !