Script for converting PDF or Indesign files to SVG (for a web2print editor)

We are a Web2print company and is about to make our own Editor. For this we need to convert our pre done Designs from PDF to SVG (for Backend). Our Editor is Build with Fabric JS , HTML 5, Canvas, and our backend system is Magneto 2. there are standard PDF to SVG converted scripts avilibel on the marked but they don’t overtake all information from our printpdf prober. First we need the convertion script from PDF to SVG (it should work for our online editor tool and load the same design as from PDF). Later a script from you, that needs to upload the PDF and/or InDesign files to a single product and your system must automatically extract information exactly from PDF and convert it into editable SVG file for front end user in our editor. All the extracted information from PDF file or InDesign files, means font type, font size, color of Font, Color of background, Frame size, frame position, Lines, thinness of lines, Sort of Frame (picture, vector or Text), Vector size, vector color, Resolution, Picture size, picture overtake or not in live view, Number of pages, Size of PDF, Artikelnumber name,andand needs to be automatic Imported as SVG to the Editor with an API solution. and reflecting/linkes right from the detail page. If something is not Exact overtaken from pdf we might do some small changes in Admin panel of Editor. We are using about 40 Standard Fonts, About 120 Standard Font colors and About 60 Standard design colors. Please send uns an estimated price with Timeline, Manpower and what comparative projects you have done. After selection we will send you a Link to finalize the Scope and contract. We pay only a little in advance, we had some bad bad experiences!