? A Buy Button to OpenCart in each Product page of a website

Hello,

My need is very simple, I already have a website with a simple CMS with all its products with all related information and price for each product.

So, what I need to do is to place a buy button in the CMS that is very simple because I can paste iframes and any html code inside the content for each product. I can paste the link to OpenCart even with the product, category and/or whatever parameter is needed.

Then the visitor can browse the CMS for products and click in their buy button, OpenCart should add that product to the shopping cart, OpenCart will also be displayed inside an iframe of a new CMS web page, so the buyer can see how is going his shopping cart, and do the checkout when he is ready. I do not need to show OC menu, just the registration and shopping cart, because products description and prices are already in the CMS.

How can I do all this integration?, are there tutorials or related links or documentation?

Hope I was able to explan myself.
Thanks for your nice help in advance
Best regards
joejac