Opencart - Enhancment

- in Register and checkout pages, if customer click on OTP button system should not go to verify his phone number until we make sure that he fill the following fields ( First Name, Last Name, Email Address) otherwise system should give error messages for this fields and once and fill this required fields and he finish verifying his phone number we want to save these data (First Name, Last Name, Email) into new table in the data base and this table has to be accessible from the admin panel (mean we should have Module for this) - we do have OTP module, and this module have Status, if Status is enabled then OTP button should appear and all other verification related, but if status is Disabled, OTP button should not be appear with all other verification related - for the search bar in the main page, we want let customer to search for a product with any part of following fields (Name, Description, Price, Special)