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+;;; jao-spt.el --- Access to the spotify-tui CLI     -*- lexical-binding: t; -*-
+
+;; Copyright (C) 2021, 2022, 2024  jao
+
+;; Author: jao <mail@jao.io>
+;; Keywords: multimedia
+
+;; 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/>.
+
+;;; Commentary:
+
+;; Simple spotifyd controls via the spt executable.
+
+;;; Code:
+
+(require 'jao-minibuffer)
+(require 'jao-notify)
+
+(defvar jao-spt-bin "spt")
+(defvar jao-spt-format "'%s %t - %a [%r] %f'")
+(defvar jao-spt-device nil)
+
+(defun jao-spt--exec-async (&rest args)
+  (let ((display-buffer-alist `((".*spt commands.*" display-buffer-no-window)))
+        (buff (get-buffer-create "* spt commands *")))
+    (apply #'start-process "spt" buff jao-spt-bin args)))
+
+(defvar jao-spt--status-str "")
+
+(defun jao-spt--pb (&rest args)
+  (let* ((args (mapconcat #'identity args " "))
+         (dev (if jao-spt-device (format "-d '%s'" jao-spt-device) ""))
+         (cmd (format "%s pb %s -f %s %s" jao-spt-bin args jao-spt-format dev))
+         (st (string-trim (shell-command-to-string cmd))))
+    (setq jao-spt--status-str (when (string-prefix-p "▶" st) st))
+    (jao-minibuffer-refresh)
+    st))
+
+(defun jao-spt--pb* (&rest args)
+  (message "%s" (apply 'jao-spt--pb args)))
+
+;;;###autoload
+(defun jao-spt-play-uri (uri)
+  (jao-spt--exec-async "play" "--uri" uri))
+
+;;;###autoload
+(defun jao-spt-update-status ()
+  (interactive)
+  (jao-spt--pb))
+
+;;;###autoload
+(defun jao-spt-toggle ()
+  (interactive)
+  (jao-spt--pb* "-t"))
+
+;;;###autoload
+(defun jao-spt-next ()
+  (interactive)
+  (jao-spt--pb* "-n"))
+
+;;;###autoload
+(defun jao-spt-previous ()
+  (interactive)
+  (jao-spt--pb* "-p"))
+
+;;;###autoload
+(defun jao-spt-like ()
+  (interactive)
+  (jao-spt--pb* "--like"))
+
+;;;###autoload
+(defun jao-spt-dislike ()
+  (interactive)
+  (jao-spt--pb* "--dislike"))
+
+;;;###autoload
+(defun jao-spt-toggle-shuffle ()
+  (interactive)
+  (jao-spt--pb* "--shuffle"))
+
+;;;###autoload
+(defun jao-spt-seek (&optional secs)
+  (interactive "p")
+  (let ((secs (if (zerop (or secs 0)) 10 secs)))
+    (jao-spt--pb* "--seek" (format "%d" secs))))
+
+;;;###autoload
+(defun jao-spt-seek-back (&optional secs)
+  (interactive "p")
+  (jao-spt-seek (- secs)))
+
+(defun jao-spt--get-vol (delta)
+  (let* ((jao-spt-format "%v")
+         (v (string-to-number (jao-spt--pb))))
+    (number-to-string (max 0 (+ delta v)))))
+
+;;;###autoload
+(defun jao-spt-vol (&optional n)
+  (interactive "p")
+  (let ((n (or n 10)))
+    (jao-spt--pb* "--volume" (jao-spt--get-vol (if (zerop n) 10 n)))))
+
+;;;###autoload
+(defun jao-spt-vol-down (&optional n)
+  (interactive "p")
+  (jao-spt-vol (- (or n 10))))
+
+;;;###autoload
+(defun jao-spt-echo-current ()
+  (interactive)
+  (let ((jao-notify-use-messages t))
+    (jao-notify (jao-spt-update-status))))
+
+;;;###autoload
+(defun jao-spt-toggle-shuffle ()
+  (interactive)
+  (jao-spt--pb* "--shuffle"))
+
+;;;###autoload
+(defun jao-spt-set-up ()
+  (jao-minibuffer-add-msg-variable 'jao-spt--status-str))
+
+(defun jao-spt-lyrics-info ()
+  (let* ((jao-spt-format "%a~~~%t")
+         (s (jao-spt--pb))
+         (at (split-string s "~~~")))
+    (cons (car at) (cadr at))))
+
+(declare jao-show-lyrics "jao-lyrics")
+
+;;;###autoload
+(defun jao-spt-show-lyrics (force)
+  (interactive "P")
+  (jao-show-lyrics force #'jao-spt-lyrics-info))
+
+(provide 'jao-spt)
+;;; jao-spt.el ends here