;;; jao-url.el --- URL handling                      -*- lexical-binding: t; -*-

;; Copyright (C) 2025  Jose Antonio Ortega Ruiz

;; Author: Jose Antonio Ortega Ruiz <mail@jao.io>
;; Keywords: hypermedia

;; This program is free software; you can redistribute it and/or modify
;; it under the terms of the GNU General Public License as published by
;; the Free Software Foundation, either version 3 of the License, or
;; (at your option) any later version.

;; This program 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 General Public License for more details.

;; You should have received a copy of the GNU General Public License
;; along with this program.  If not, see <https://www.gnu.org/licenses/>.

(require 'shr)
(require 'ffap)
(require 'thingatpt)

(defun jao-url-around-point (&optional current-url)
  (or (and (fboundp 'w3m-anchor) (w3m-anchor))
      (shr-url-at-point nil)
      (ffap-url-at-point)
      (thing-at-point 'url)
      (when current-url
        (or (and (fboundp 'w3m-anchor) (w3m-anchor))
            (and (derived-mode-p 'eww-mode) (plist-get eww-data :url))))))


(defun jao-url-email-url ()
  (save-excursion
    (goto-char (point-min))
    (when (or (search-forward-regexp "^Via: h" nil t)
              (search-forward-regexp "^URL:[\n ]h" nil t)
              (and (search-forward-regexp "^Link$" nil t)
                   (not (beginning-of-line))))
      (jao-url-around-point))))

(provide 'jao-url)
;;; jao-url.el ends here
