;;; lib-tmux.el

;; This library offers:
;;   + TODO An integration/abstraction layer to make it seem like tmux and emacs are one
;;     program.
;;   + TODO A way to manage tmux sessions and layouts from emacs; possibly trigger them
;;     depending on current project.

;;;###autoload
(defun tmux (command &optional modes)
  (let ((format
         (concat "tmux send-keys "
                 (if (or (eq modes t)
                         (eq modes 'clear)
                         (memq 'clear modes))
                     "C-u " "")
                 "%s"
                 (if (or (eq modes t)
                         (eq modes 'run)
                         (memq 'run modes))
                     " Enter" ""))))
    (shell-command (format format (shell-quote-argument command)))))

(evil-define-interactive-code "<term>"
  "Ex tmux argument (a mix between <sh> <f> and <fsh>)"
  :ex-arg shell
  (list (when (evil-ex-p) (evil-ex-file-arg))))

;;;###autoload (autoload 'narf:tmux-cd "lib-tmux" nil t)
(evil-define-command narf:tmux-cd (&optional bang)
  (interactive "<!>")
  (if bang
      (narf/tmux-cd-to-project)
    (narf/tmux-cd-to-here)))

;;;###autoload (autoload 'narf:tmux "lib-tmux" nil t)
(evil-define-operator narf:tmux (&optional command bang)
  "Sends input to tmux. Use `bang' to append to tmux"
  :type inclusive
  :repeat t
  (interactive "<term><!>")
  (if (not command)
      (os-switch-to-term)
    (tmux command bang)
    (when (evil-ex-p)
      (message "[Tmux] %s" command))))

;;;###autoload
(defun narf/tmux-new-window ()
  (interactive)
  (tmux "tmux new-window" t))

;;;###autoload
(defun narf/tmux-cd-to-here (&optional dir)
  (interactive)
  (tmux (format "cd '%s'" (or dir default-directory))))

;;;###autoload
(defun narf/tmux-cd-to-project ()
  (interactive)
  (narf/tmux-cd-to-here (narf/project-root)))

;;;;;;;;;;

;; TODO
;; (defun narf/window (direction)
;;   )

;;;###autoload (autoload 'narf/evil-window-or-tmux "lib-tmux" nil t)
(evil-define-command narf/evil-window-or-tmux (count direction)
  :repeat nil
  (interactive "p")
  (let ((start-window (selected-window)))
    (ignore-errors (funcall (intern (format "evil-window-%s" direction)) count))
    (when (eq start-window (selected-window))
      (os-switch-to-term))))

;;;###autoload (autoload 'narf/evil-window-left "lib-tmux" nil t)
(evil-define-command narf/evil-window-left (count)
  :repeat nil (interactive "p") (narf/evil-window-or-tmux count 'left))

;;;###autoload (autoload 'narf/evil-window-right "lib-tmux" nil t)
(evil-define-command narf/evil-window-right (count)
  :repeat nil (interactive "p") (narf/evil-window-or-tmux count 'right))

;;;###autoload (autoload 'narf/evil-window-up "lib-tmux" nil t)
(evil-define-command narf/evil-window-up (count)
  :repeat nil (interactive "p") (narf/evil-window-or-tmux count 'up))

;;;###autoload (autoload 'narf/evil-window-down "lib-tmux" nil t)
(evil-define-command narf/evil-window-down (count)
  :repeat nil (interactive "p") (narf/evil-window-or-tmux count 'down))

(provide 'lib-tmux)
;;; lib-tmux.el ends here