This is a fairly complex development topic. I’m going to leave it open for a bit to see if anyone is able to chime in to help you out.

I can also recommend the following places for more development-oriented questions:

1. WooCommerce Slack Community: https://woocommerce.com/community-slack/
2. WooCommerce FB group: https://www.facebook.com/groups/advanced.woocommerce/

We haven’t heard back from you in a while, so I’m going to mark this as resolved – if you have any further questions, you can start a new thread.