(setq *photo-dir* (directory-file-name "/Users/jwd/bench/photos/"))
(setq *operating-photo-dir* (concat *photo-dir* "-photogal"))
(setq *my-tags* nil)

(setq *photogal-operating-table* (mapcar (lambda (photo)
					    (cons (list 'photo) photo))
					 (all-photos)))
(defun photogal-add-tag (file tag)
  (let ((tags (car (rassoc file *photogal-operating-table*))))
    (setcar (rassoc file *photogal-operating-table*) (cons tag tags))))

(delete-directory *operating-photo-dir* t)
(copy-directory *photo-dir* *operating-photo-dir*)


(defun all-photos ()
  (directory-files *operating-photo-dir* t directory-files-no-dot-files-regexp))

(all-photos)

(define-derived-mode photogal-mode text-mode "photogal"
  "Major mode for grouping and labeling images.")

(defun photogal-init ()
  (interactive)
  (let ((buf (get-buffer-create "photogal"))
	(photos (all-photos)))
    (with-current-buffer buf
      (photogal-mode)
      (erase-buffer)
      (insert "\n")
      (insert " ")
      (insert-image
       ;; (create-image (car photos) 'imagemagick nil :width (- (window-pixel-width) 75))
       (create-image (car photos) 'imagemagick nil :height (/ (window-pixel-height) 2)))
      (insert "\n\n")
      )
    buf)
  (switch-to-buffer (get-buffer-create "photogal")))

(defun photogal-selfie ()
  (interactive)
  (photogal-add-tag *photogal-current-file* "selfie")
  (message *photogal-current-file*))

(transient-define-prefix photogal-tag ()
  [["Commit"
    ("c" "Tag: selfie" photogal-selfie)]]
  (interactive)
  (setq *my-photo-args* (transient-args 'photogal-categorize))
  (message (transient-args 'photogal-categorize))
  (transient-setup 'photogal-tag))


(setq photogal-raw-tags '(("s" . "selfie") ("c" . "cityscape")))

(defun photogal-auto-tags ()
  (let ((args (mapcar (lambda (tag) (list (car tag) " " (cdr tag))) photogal-raw-tags)))
    (vconcat (cons "Arguments"
		   args))))

(setq photogal-tags
      (photogal-auto-tags))

(defun photogal-add-tag (new-tag new-tag-code)
  (interactive "sNew tag: \nsTag code: ")
  (setq photogal-raw-tags
	(cons (cons new-tag-code new-tag) photogal-raw-tags))
  (setq photogal-tags (photogal-auto-tags))
  (eval `(transient-define-prefix photogal-categorize ()
	   "Tag a photo."
	   ,photogal-tags
	   [["Tag"
	     ("t" "Tag"         photogal-tag)
	     ("a" "Add tag"     photogal-add-tag)]]
	   (interactive)
	   (setq *photogal-current-file* (car (all-photos)))
	   (transient-setup 'photogal-categorize)))
  (transient-setup 'photogal-categorize))

(transient-define-prefix photogal-categorize ()
  "Tag a photo."
  photogal-tags
  [["Tag"
    ("t" "Tag"         photogal-tag)
    ("a" "Add tag"     photogal-add-tag)]]
  (interactive)
  (setq *photogal-current-file* (car (all-photos)))
  (transient-setup 'photogal-categorize))

(photogal-categorize)

(message *my-tags*)