/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*-
 *
 * Copyright (C) 2011 Colin Walters <walters@verbum.org>
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2 of the License, or (at your option) any later version.
 *
 * This library 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
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the
 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
 * Boston, MA 02111-1307, USA.
 *
 * Author: Colin Walters <walters@verbum.org>
 */

#include "config.h"

#include "ot-builtins.h"
#include "ostree.h"
#include "otutil.h"

static GOptionEntry options[] = {
  { NULL }
};

static void
usage_error (GOptionContext *context, const char *message, GError **error)
{
  gchar *help = g_option_context_get_help (context, TRUE, NULL);
  g_printerr ("%s\n", help);
  g_free (help);
  g_set_error_literal (error, G_IO_ERROR, G_IO_ERROR_FAILED,
                       message);
}

gboolean
ostree_builtin_remote (int argc, char **argv, GFile *repo_path, GCancellable *cancellable, GError **error)
{
  GOptionContext *context;
  gboolean ret = FALSE;
  const char *op;
  guint i;
  gs_unref_object OstreeRepo *repo = NULL;
  gs_unref_ptrarray GPtrArray *branches = NULL;
  GKeyFile *config = NULL;

  context = g_option_context_new ("OPERATION [args] - Control remote repository configuration");
  g_option_context_add_main_entries (context, options, NULL);

  if (!g_option_context_parse (context, &argc, &argv, error))
    goto out;

  repo = ostree_repo_new (repo_path);
  if (!ostree_repo_check (repo, error))
    goto out;

  if (argc < 2)
    {
      usage_error (context, "OPERATION must be specified", error);
      goto out;
    }

  op = argv[1];

  config = ostree_repo_copy_config (repo);

  if (!strcmp (op, "add"))
    {
      char *key;
      if (argc < 4)
        {
          usage_error (context, "NAME and URL must be specified", error);
          goto out;
        }

      branches = g_ptr_array_new ();
      for (i = 4; i < argc; i++)
        g_ptr_array_add (branches, argv[i]);

      key = g_strdup_printf ("remote \"%s\"", argv[2]);
      g_key_file_set_string (config, key, "url", argv[3]);
      if (branches->len > 0)
        g_key_file_set_string_list (config, key, "branches",
                                    (const char *const *)branches->pdata,
                                    branches->len);
      g_free (key);
    }
  else
    {
      usage_error (context, "Unknown operation", error);
      goto out;
    }

  if (!ostree_repo_write_config (repo, config, error))
    goto out;
 
  ret = TRUE;
 out:
  if (context)
    g_option_context_free (context);
  if (config)
    g_key_file_free (config);
  return ret;
}
