Ok so from within Clickfunnels and/or funnelish.
For each product you can have an automation, under the automation tab of each product,
When they purchase add them to a list of ActiveCampaign, and from ActiveCampaign, you can decide how to handle them differently depending on which pages they’ve visited and what actions they did…
The good news, is that ActiveCampaign has an abandoned cart automation template already made for you… just find it and customize it.