(eval-when (:load-toplevel)
   (ql:quickload '(:macrodynamics :spinneret :alexandria)))
 
 (defpackage #:spinneret-dynamic-tags
   (:use :cl :alexandria))
 (in-package #:spinneret-dynamic-tags)
 
 (macrodynamics:def-dynenv-var **heading-level** 1)
 (macrodynamics:def-dynenv-fun make-heading (text attrs)
   (let ((heading (make-keyword (format nil "H~d" (clamp **heading-level** 1 6)))))
     `(,heading ,@attrs ,text)))
 
 (macrodynamics:def-dynenv-macro with-heading (title (&rest attrs) &body body &environment env)
   `(spinneret:with-html
      (:section ,@attrs ,(make-heading title (list))
 	       ,(macrodynamics:ct-let ((**heading-level** (1+ **heading-level**)))
 		  `(progn ,@body)))))
 
 (spinneret:deftag division (body attrs &key (title (error "A division needs a :title")))
   `(with-heading ,title (,@attrs)
      ,@body))
 
 (spinneret:deftag checkbox (body attrs)
   `(let ((id (gensym "ID")))
      (:div.checkbox-container :id (format nil "~a-container" id)
        (:input :type "checkbox" :name id :id id)
        (:label :for id ,@attrs ,@body))))
 
 (spinneret:deftag with-scoped-styles (((&rest styles) &rest body) attrs &key (id-sym 'id))
   `(let ((,id-sym (gensym "STYLE-SCOPE")))
      (:style
       (lass:write-sheet
        (lass:compile-sheet
 	`(,(format nil "#~a" ,id-sym) ,@(loop for style in ,styles
 					     collect `(quote ,style))))
        :stream spinneret:*html*))
      (:div :id ,id-sym ,@attrs
 	   ,@body)))