Joomla Ecommerce Site Conversion

Need a full Conversion of this site [login to view URL] into Joomla ecommerce site. Needs to maintain current design look and url structure. Includes inventory manager, auto processing checkout and user account creation with order tracking. A Sub-domain with different pricing of the current inventory. Upon order completion: user notifications of order status, administration email of purchase order and invoice. Also need a ticket status plug-in for service techs that end users can check on the status of there tickets and service techs can update status. Upon completed ticket user receives email and text message. Basic five step status. Please PM to request more details.