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;;; jao-spt.el --- Access to the spotify-tui CLI -*- lexical-binding: t; -*-
;; Copyright (C) 2021, 2022 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-p 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
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