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;;; $DOOMDIR/+org.el -*- lexical-binding: t; -*-
(setq org-directory "~/org/")
(after! org
  (setq
   org-startup-indented t
   org-pretty-entities t
   org-hide-emphasis-markers t
   org-capture-templates-contexts nil
   org-confirm-babel-evaluate nil)
  (org-babel-do-load-languages
   'org-babel-load-languages
   '((emacs-lisp . t)
     (python . t)
     (C . t)
     (lisp . t))))

(add-hook 'org-capture-mode-hook #'delete-other-windows)
(add-hook 'org-capture-mode-hook
          (lambda () (set-window-dedicated-p (selected-window) nil)))

(after! org-roam
  (setq org-roam-directory (file-truename "~/org/"))
  (org-roam-db-autosync-mode)

  (defun my/org-roam-short-id ()
    (let ((chars "abcdefghijklmnopqrstuvwxyz0123456789"))
      (apply #'string
             (cl-loop repeat 4
                      collect (aref chars (random (length chars)))))))

  (setq org-roam-capture-templates
        '(("d" "default" plain
           "* %?"
           :if-new
           (file+head
            (lambda () (concat (my/org-roam-short-id) ".org"))
            "#+TITLE: %^{title|Untitled}\n#+FILETAGS: :%^{tags}:\n\n")
           :unnarrowed t)))

  (cl-defmethod org-roam-node-file-stem ((node org-roam-node))
    (file-name-base (org-roam-node-file node)))

  (setq org-roam-node-display-template
        (concat "${title:*} " (propertize "${file-stem}" 'face 'org-tag)))

  (setq org-roam-mode-sections
        '(org-roam-backlinks-section
          org-roam-reflinks-section
          org-roam-unlinked-references-section))

  (defun my/org-roam-check-self-link ()
    (when-let* ((node (org-roam-node-at-point))
                (id (org-roam-node-id node)))
      (save-excursion
        (goto-char (point-min))
        (while (re-search-forward org-link-any-re nil t)
          (when (string-match-p (regexp-quote id) (match-string 0))
            (message "Warning: self-link detected"))))))

  (defun my/org-roam-check-dead-links ()
    (dolist (link (org-roam-db-query
                   [:select [dest] :from links
                    :where (= source $s1)] (org-roam-id-at-point)))
      (unless (org-roam-db-query [:select id :from nodes :where (= id $s1)] (car link))
        (message "Error: dead link to %s" (car link)))))

  (add-hook 'before-save-hook
            (lambda ()
              (when (org-roam-file-p)
                (my/org-roam-check-self-link)
                (my/org-roam-check-dead-links)))
            nil t)
  (map!
   :leader
   :prefix ("n r" . "roam")
   :desc "Find node"        "f" #'org-roam-node-find
   :desc "Insert node"      "i" #'org-roam-node-insert
   :desc "Backlinks"        "b" #'org-roam-buffer-toggle
   :desc "Capture"          "c" #'org-roam-capture
   :desc "Graph"            "g" #'org-roam-graph
   :desc "Random node"      "r" #'org-roam-node-random
   :desc "Toggle buffer"    "t" #'org-roam-buffer-toggle
   :desc "Open link"        "o" #'org-open-at-point
   :desc "Jump back"        "O" #'org-mark-ring-goto))
(with-eval-after-load 'ox-html
  (setq org-html-xml-declaration nil
        org-html-doctype "html5"
        org-html-html5-fancy t
        org-html-head-include-default-style nil
        org-html-postamble nil))
(use-package! websocket :after org-roam)
(use-package! org-roam-ui
  :after org-roam
  :config
  (setq org-roam-ui-sync-theme t
        org-roam-ui-follow t
        org-roam-ui-update-on-save t))
(use-package! org-appear
  :hook (org-mode . org-appear-mode)
  :config
  (setq org-appear-autoemphasis t
        org-appear-autolinks t
        org-appear-autosubmarkers t
        org-appear-autoentities t))