Hi
You want comment box on for each product where user can have option like reply , share , login signup to discuss & multiple textbox .
I will add this customize comment in your online store .
I have more than 6 year experience in Web Development/Design, Working in Magento,Wp,OpenCart. in these tech doing any level custom work. like custom theme, custom module,payment API, Mail-chimp API etc.
And Design side I am working on PhotoShop/HTML/Css/Jquery/Ajax
Would be glad working with you.
Thank YOU