(require 'org)

(defun org-agent-inject-metadata (file created edited)
  (with-current-buffer (find-file-noselect file)
    (org-with-wide-buffer
     (goto-char (point-min))
     (let ((props (org-get-property-block)))
       (unless props
         (org-id-get-create) ; Ensure drawer exists
         (setq props (org-get-property-block))))
     
     (org-set-property "CREATED" (org-agent-format-iso created))
     (org-set-property "EDITED" (org-agent-format-iso edited))
     (save-buffer)
     (kill-buffer))))

(defun org-agent-format-iso (iso-date)
  "Convert 2026-04-07T10:00:00+00:00 to [2026-04-07 Tue 10:00]"
  (let ((time (parse-time-string iso-date)))
    (format-time-string "[%Y-%m-%d %a %H:%M]" (apply #'encode-time time))))

;; Batch execution logic
(let ((lines (with-temp-buffer
               (insert-file-contents "system/git-dates.txt")
               (split-string (buffer-string) "\n" t))))
  (dolist (line lines)
    (let ((parts (split-string line "|")))
      (when (= (length parts) 3)
        (org-agent-inject-metadata (nth 0 parts) (nth 1 parts) (nth 2 parts))))))