Need a production planing solution for MTS (Make to stock) Scenario

Hello,

i have a problem regarding PP Module, issue is regarding manufacturing planning in my organization we are having Make to stock Model with a seasonality. at the moment we have to do manual production plan according to the demand forecast and have to upload to SAP . what we want to do is we need SAP generated production plan run after demand forecast uploaded. as belows

Demand forecast update(COPA) ----> SAP driven production Plan

is SAP R3 supporting this king of a thing ?

It is much appreciate any one can provide me a solution.

Kind Regards
Yasas