(define-module (web view markdown)
  #:use-module (json)
  #:use-module (ice-9 match)
  #:use-module (ice-9 format)
  #:use-module (ice-9 iconv)
  #:use-module (ice-9 receive)
  #:use-module (ice-9 string-fun)
  #:use-module (ice-9 textual-ports)
  #:use-module (sxml simple)
  #:use-module (web client)
  #:use-module (web uri)
  #:use-module (web request)
  #:use-module (web sxml)
  #:use-module (commonmark)

  #:export (markdown-file->sxml
	    markdown-github->sxml
	    fetch-raw-file)
  )


(define (markdown-file->sxml fn)
  "Parse a local file"
  (commonmark->sxml
   (call-with-input-file fn
       get-string-all)))

;; --- fetch github style URLs
;;
;; https://github.com/genenetwork/gn-docs/master/general/brand/aging/home.md
;; https://raw.githubusercontent.com/genenetwork/gn-docs/master/general/brand/aging/home.md
;; https://github.com/genenetwork/gn-docs/edit/master/general/brand/aging/home.md

(define (fetch-raw-file url)
  (receive (response-status response-body)
                          (http-request "https://raw.githubusercontent.com/genenetwork/gn-docs/master/general/brand/aging/home.md")
    response-body) 
   )


(define (markdown-github->sxml fn)
  "Parse a github markdown file"
  (commonmark->sxml
   (pk (fetch-raw-file fn))))