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#!@GUILE@ \
--no-auto-compile -e main -s
!#

;; bin/neocities --- neocities cli -*- coding: utf-8 -*-
;;
;; Copyright (C) 2023 Ekaitz Zarraga <ekaitz@elenq.tech>
;;
;; Author: Ekaitz Zarraga <ekaitz@elenq.tech>
;;
;; This file is part of guile-neocities.
;;
;; guile-neocities 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.
;;
;; guile-neocities 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 guile-neocities; if not, contact:
;;
;; Free Software Foundation           Voice:  +1-617-542-5942
;; 59 Temple Place - Suite 330        Fax:    +1-617-542-2652
;; Boston, MA  02111-1307,  USA       gnu@gnu.org

;;; Commentary:
;;
;;; Code:

(use-modules (neocities cli)
             (ice-9 match))

(define (help)
  (format #t "
~A

USAGE:

  ENVIRONMENT VARIABLES:
      Export them:
        export NEOCITIES_USER=my_username
        ...
      Or use them in the command line call
        NEOCITIES_USER=my_username ... neocities

  Authentication:
    Your credentials
      export NEOCITIES_USER=my_username
      export NEOCITIES_PASS=my_password
    Or your API key:
      export NEOCITIES_KEY=my_key

  Target:
    export NEOCITIES_HOST  # defaults to neocities.org

  USAGE:
    neocities --help/--version
    neocities COMMAND

    Commands:
      neocities list DIRECTORY
      neocities upload LOCAL -to REMOTE LOCAL -to REMOTE ??
      neocities delete FILE [...]
      neocities info
      neocities key
~%" (car (command-line))))

(define (version)
  (format #t "
~A

VERSION: @PACKAGE_VERSION@

   Copyright (C) 2023 Ekaitz Zarraga <ekaitz@elenq.tech>

   Author: Ekaitz Zarraga <ekaitz@elenq.tech>

   guile-neocities 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.

   guile-neocities 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.
~%" (car (command-line))))

(define (subcommand? arg)
  (not (string-prefix? "-" arg)))

(define* (main #:optional (args (command-line)))
  "Entry point for the commandline application.  ARGS should be a normal
command-line list, e.g. '(\"neocities\" \"upload\" \"...\")."
  (match args
    ((program (or "--version" "-v"))
     (begin (version) (exit 0)))
    ((or (program) (program (or "--help" "-h")))
     (begin (help) (exit 1)))
    ((program (? subcommand? subcommand) . args*)
     (neocities-run (string->symbol subcommand) args*))
    ((program invalid-subcommand . args*)
     (begin
       (format (current-error-port) "Invalid subcommand: ~a~&" invalid-subcommand )
       (help) (exit 1)))))