(module special-upload mzscheme
        (require "hwikireq.scm")
        (require "page.scm")
        (require "config.scm")
        (require "context.scm")
        (require "users.scm")
        (require "template.scm")
        (provide special:upload)


        (def-class
         (this (special:upload context))
         (supers (page-base))
         (private
          (define _template (template 'context context 'name "admin"))
          )
         (public
          (define (get-template)  _template)
          (define (css)           (-> _template css))
          (define (title)         (_ "HWiki Upload"))

          (define (create-html . uploaded-as)
            (let ((P (page context (-> context from-where))))
              (debug "create-html:P:" (-> P name))
              (let ((T (-> P get-template)))
                (let ((form (lambda (url)
                              (adjust-timeout! (form-timeout))
                              (-> context add-extra-header `(script ((language "javascript") (type "text/javascript"))
                                                                    "function updateName() { var s1=String(document.upload.upload1.value.match(/[^/\\\\]+$/));document.upload.rename1.value=s1.replace(/\\s/g,'_'); }")
                                  )
                              (-> context make-response/xhtml 
                                  `(html
                                    ,(-> supers create-header context)
                                    (body
                                     (div ((class "upload"))
                                          (h1 ,(_ "Upload file"))
                                          ,(if (not (null? uploaded-as)) `(p "file uploaded as :" (code ,(car uploaded-as))) (make-comment "nothing uploaded"))
                                          (form ((enctype "multipart/form-data") (name "upload") (action ,url) (method "post"))
                                                (table
                                                 (tr (td ,(_ "File: "))  (td ((colspan "2")) (input ((type "file") (name "upload1") (size "75") (maxlength ,MAX-UPLOAD-SIZE) (onchange "updateName()")))))
                                                 (tr (td ,(_ "Rename to:")) (td ((colspan "2")) (input ((type "text") (name "rename1") ))))
                                                 (tr (td)
                                                     (td ((class "tdbutton")) (input ((type "submit") (name "submit") (value ,(_ "done")))))
                                                     (td ((class "tdbutton")) (input ((type "submit") (name "submit") (value ,(_ "upload"))))))))
                                          )))))))
                  (let ((bindings (request-bindings (send/suspend form))))
                    (let ((done (extract-binding/single 'submit bindings))
                          (file (extract-binding/single 'upload1 bindings))
                          (rename (extract-binding/single 'rename1 bindings)))
                      (if (string-ci=? done (_ "upload"))
                          (begin
                            (if (bytes=? file #"")
                                (create-html (_ "Empty file to upload, cannot upload this"))
                                (if (string=? rename "")
                                    (create-html (_ "Empty rename, cannot upload file"))
                                    (begin
                                      (-> context store-file file rename)
                                      (create-html rename)))))
                          (-> context to-from-where))
                      ))))))

          )
         (constructor
          (-> supers special!)
          )
         )


        (register-page "special:upload" special:upload)

        )