An application to be added in opencart website for Gifting to friends

We need an application to be added in opencart website which can de the following : 1. Person logs into his profile 2. He buys any product & gift to any of his friend 3. While gifting he should enter the name, email id, contact number and other details of his friend. 4. When he enter details about his friend, a account should be created for his friend on our website. 5. This accounts username & password should be mailed to the email ID registered from him along with the details of the person who gifted it & a gift voucher 6. This friend should be able to login to his account created by his friend. 7. There are few more small functionalities we need to be added on our site which can be discussed after getting in touch.