;;; pcmpl-rc.el --- Gentoo Completions For Openrc Commands  -*- lexical-binding: t; -*-

;; Copyright (C) 2024  Thanos Apollo

;; Author: Thanos Apollo <public@thanosapollo.com>
;; Keywords: pcomplete completions openrc gentoo
;; URL: https://git.thanosapollo.com/pcmpl-rc
;; Version: 0.0.1


;; Package-Requires: ((emacs "27.2"))

;; 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:

;; Under development

;;; Code:

(require 'pcomplete)
(require 'cl-lib)

(defun pcmpl-rc-service-files ()
  "Get all services located at /etc/init.d"  
  (cl-remove-if (lambda (x) (member x '("." "..")))
   (mapcar 'file-name-nondirectory (directory-files "/etc/init.d" t))))

;; get all available services
(defvar pcmpl-rc-running-available-services (split-string (shell-command-to-string "rc-service --list") "\n" t))

;; rc options

(defvar pcmpl-rc-service-options '("status" "restart" "start" "stop" "zap"))

(defvar pcmpl-rc-update-runlevel '("boot" "default" "nonetwork" "shutdown" "sysinit"))

(defvar pcmpl-rc-update-options '("add" "del" "show"))


;;;###autoload
(defun pcomplete/rc-service ()
  "Completion for rc-service"
  (pcomplete-here (pcmpl-rc-service-files))
  (pcomplete-here pcmpl-rc-service-options))

;;;###autoload
(defun pcomplete/rc-update ()
  "Completion for rc-update"
  (pcomplete-here pcmpl-rc-update-options)
  (pcomplete-here (pcmpl-rc-service-files))
  (pcomplete-here pcmpl-rc-update-runlevel))


(provide 'pcmpl-rc)