Build me a invoice generator who send data from a table to invoice, then send through mail.

I need a invoice generator with 23 inputs, which the inputs goes to the invoice. I should be able to send the final invoice throug mail(html or pdf), half of the inputs needs to be on the first page of invoice, the rest of the second page of invoice. I want 2 pages of invoice to send to my clients. I also should be able to change the other text of the invoice anytime.