;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2018 Mathieu Othacehe <m.othacehe@gmail.com>
;;;
;;; This file is part of GNU Guix.
;;;
;;; GNU Guix 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.
;;;
;;; GNU Guix 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 GNU Guix.  If not, see <http://www.gnu.org/licenses/>.

(define-module (gnu installer user)
  #:use-module (guix records)
  #:use-module (srfi srfi-1)
  #:export (<user>
            user
            make-user
            user-name
            user-real-name
            user-group
            user-home-directory
            user-password

            users->configuration))

(define-record-type* <user>
  user make-user
  user?
  (name            user-name)
  (real-name       user-real-name
                   (default ""))
  (group           user-group
                   (default "users"))
  (password        user-password)
  (home-directory  user-home-directory))

(define (users->configuration users)
  "Return the configuration field for USERS."
  (define (user->sexp user)
    `(user-account
      (name ,(user-name user))
      (comment ,(user-real-name user))
      (group ,(user-group user))
      (home-directory ,(user-home-directory user))
      (supplementary-groups '("wheel" "netdev"
                              "audio" "video"))))

  `((users (cons*
            ,@(filter-map (lambda (user)
                            ;; Do not emit a 'user-account' form for "root".
                            (and (not (string=? (user-name user) "root"))
                                 (user->sexp user)))
                          users)
            %base-user-accounts))))
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