How to create feature that can create many email template

Hi,

There is custom email template in mailchimp we can make as many template as we like, as custom as we want. I want to adapt these feature in simply version. so I want to make some function in my website which can create many email template with custom design (no drag drop).

What I though is maybe I can type full source code (html and css) which contain {{ $var }} in text area then submit it, and the system will create new blade template. then in controller or somewhere I should prepare $var and then call the email template I want.

Is this way safe and good? or is there any other recomendation?

thanks in advance.