;;; Weeb --- Web microframework for GNU Guile
;;; Copyright © 2026 Jakob Kreuze <zerodaysfordays@sdf.org>
;;;
;;; This file is part of Weeb.
;;;
;;; Weeb is free software: you can redistribute it and/or modify it
;;; under the terms of the GNU Affero General Public License as
;;; published by the Free Software Foundation, either version 3 of the
;;; License, or (at your option) any later version.
;;;
;;; Weeb is distributed in the hope that it will be useful, but WITHOUT
;;; ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
;;; or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Affero General
;;; Public License for more details.
;;;
;;; You should have received a copy of the GNU Affero General Public
;;; License along with Weeb. If not, see <https://www.gnu.org/licenses/>.

(use-modules (srfi srfi-64)
             (weeb sxml))

;; Private imports for testing purposes.
(define html-encode
  (@@ (weeb sxml) html-encode))

(test-runner-current (test-runner-simple))

(test-begin "weeb-sxml")

(test-group "html-encode"
  (test-equal "encode simple text" "hello" (html-encode "hello"))
  (test-equal "encode special characters"
    "&lt;b&gt; &amp; &quot; &#39;"
    (html-encode "<b> & \" '")))

(test-group "sxml->html-document"
  (let ((doc '(html (body (p "Hello World")))))
    (test-equal "render simple document"
      "<!DOCTYPE html><html><body><p>Hello World</p></body></html>"
      (sxml->html-document doc))))

(test-group "sxml->html"
  (test-equal "text node"
    "just text"
    (sxml->html "just text"))

  (test-equal "simple tag"
    "<html>text</html>"
    (sxml->html '(html "text")))

  (test-equal "nested tags"
    "<div><span>nested</span></div>"
    (sxml->html '(div (span "nested"))))

  (test-equal "attributes"
    "<p class=\"text\" id=\"main\">content</p>"
    (sxml->html '(p (@ (class "text") (id "main")) "content")))

  (test-equal "multiple attributes"
    "<a href=\"/\" rel=\"nofollow\">link</a>"
    (sxml->html '(a (@ (href "/") (rel "nofollow")) "link")))

  (test-equal "self-closing tag"
    "<img src=\"logo.png\">"
    (sxml->html '(img (@ (src "logo.png")))))

  (test-equal "html-encoded content"
    "<p>&lt;script&gt;alert(&quot;xss&quot;)&lt;/script&gt;</p>"
    (sxml->html '(p "<script>alert(\"xss\")</script>")))
  
  (test-equal "no encoding for script"
    "<script>alert(\"1\" > \"2\");</script>"
    (sxml->html '(script "alert(\"1\" > \"2\");")))

  (test-equal "deep nesting"
    "<ul><li><ul><li>item</li></ul></li></ul>"
    (sxml->html '(ul (li (ul (li "item"))))))

  (test-equal "empty non-self-closing tag"
    "<div></div>"
    (sxml->html '(div)))

  (test-equal "complex mix"
    "<article><header><h1>Title</h1></header><p>Text</p></article>"
    (sxml->html '(article (header (h1 "Title")) (p "Text")))))

(test-end)