/* -*- Mode: C; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2; -*- */
/* Copyright (C) 2005 Vincent Noel <vnoel@cox.net>
 * Copyright (C) 2008 Cosimo Cecchi <cosimoc@gnome.org>
 * Copyright (C) 2012-2021 MATE Developers
 *
 * This file is part of MATE Utils.
 *
 * MATE Utils 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 2 of the License, or
 * (at your option) any later version.
 *
 * MATE Utils 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 MATE Utils.  If not, see <https://www.gnu.org/licenses/>.
 */

#ifdef HAVE_CONFIG_H
#include <config.h>
#endif

#include <stdlib.h>

#include <glib/gi18n.h>
#include <glib.h>

#include <gtk/gtk.h>

#include "logview-app.h"

/* log files specified on the command line */
static char **log_files = NULL;

static void
app_quit_cb (LogviewApp *app,
             gpointer user_data)
{
  gtk_main_quit ();
}

static void
logview_show_version_and_quit (void)
{
  g_print (_("%s - Version %s\n"
             "Copyright (C) 2004-2008 Vincent Noel, Cosimo Cecchi and others.\n"
             "Copyright (C) 2011-2021 MATE developers.\n"),
           g_get_application_name (),
           VERSION);

  exit (0);
}

static GOptionContext *
create_option_context (void)
{
  GOptionContext *context;

  const GOptionEntry entries[] = {
    { "version", 'V', G_OPTION_FLAG_NO_ARG, G_OPTION_ARG_CALLBACK,
      logview_show_version_and_quit, N_("Show the application's version"), NULL },
    { G_OPTION_REMAINING, '\0', 0, G_OPTION_ARG_FILENAME_ARRAY, &log_files,
      NULL, N_("[LOGFILE...]") },
    { NULL },
  };

  context = g_option_context_new (_(" - Browse and monitor logs"));
#ifdef ENABLE_NLS
  g_option_context_set_translation_domain (context, GETTEXT_PACKAGE);
#endif /* ENABLE_NLS */
  g_option_context_add_main_entries (context, entries, GETTEXT_PACKAGE);
  g_option_context_set_ignore_unknown_options (context, TRUE);
  g_option_context_add_group (context, gtk_get_option_group (TRUE));

  return context;
}

int
main (int argc, char *argv[])
{
  GError *error = NULL;
  GOptionContext *context;
  LogviewApp *app;

#ifdef ENABLE_NLS
  bindtextdomain (GETTEXT_PACKAGE, MATELOCALEDIR);
  bind_textdomain_codeset (GETTEXT_PACKAGE, "UTF-8");
  textdomain (GETTEXT_PACKAGE);
#endif /* ENABLE_NLS */

  context = create_option_context ();

  g_option_context_parse (context, &argc, &argv, &error);

  if (error) {
    g_critical ("Unable to parse arguments: %s", error->message);
    g_error_free (error);
    g_option_context_free (context);

    exit (1);
  }

  g_option_context_free (context);
  g_set_application_name (_("Log Viewer"));

  app = logview_app_get ();

  if (!app) {
    g_critical ("Unable to create the user interface.");

    exit (1);
  } else {
    g_signal_connect (app, "app-quit",
                      G_CALLBACK (app_quit_cb), NULL);
  }

  logview_app_initialize (app, log_files);

  gtk_main ();

  g_object_unref (app);

  return EXIT_SUCCESS;
}