/*
 *  Copyright (C) 2005 Benjamin Otte <otte@gnome.org>
 *
 *  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 2, 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, write to the Free Software
 *  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
 *
 *  $Id$
 */

#include "game-private.h"
#include "game-info.h"

#include <string.h>

guint
game_info_key_get_size (const GameInfoKey *keys)
{
  guint size = 0;
  
  while (keys[size].name) size++;
  return size;
}

/**
 * game_info_key_find:
 * @keys: a #GameInfoKey
 * @name: name of the key to find
 *
 * Tries to find the key with the given @name in @keys.
 *
 * Returns: id of the key or -1 if not found
 **/
int
game_info_key_find (const GameInfoKey *keys, const gchar *name)
{
  int i = 0;

  while (keys[i].name) {
    if (!strcmp (keys[i].name, name))
	return i;
    i++;
  }
  return -1;
}

guint
game_info_score_get_size (const GameInfoScore *score)
{
  guint size = 0;
  
  while (score[size].name) size++;
  return size;
}

/**
 * game_info_score_find:
 * @score: a #GameInfoScore
 * @name: name of the score to find
 *
 * Tries to find the score with the given @name in @score.
 *
 * Returns: id of the score or -1 if not found
 **/
int
game_info_score_find (const GameInfoScore *score, const gchar *name)
{
  int i = 0;

  while (score[i].name) {
    if (!strcmp (score[i].name, name))
	return i;
    i++;
  }
  return -1;
}

/**
 * game_info_score_compare:
 * @score: a #GameInfoScore
 * @a: first unsigned integer array the size of @score
 * @b: second unsigned integer array the size of @score
 *
 * Compares the two scores @a and @b. The scores must be provided as integer
 * arrays containing the scores listed in @score in the same order.
 * Imagine this function like strcmp () for scores.
 *
 * Returns: 0 if the scores are equal, a positive number if @a is better than @b
 * and a negative number otherwise.
 **/
int
game_info_score_compare (const GameInfoScore *score,
    const int *a, const int *b)
{
  guint i;
  
  g_return_val_if_fail (score != NULL, 0);
  g_return_val_if_fail (a != NULL, 0);
  g_return_val_if_fail (b != NULL, 0);

  for (i = 0; score[i].name != NULL; i++) {
    if (a[i] > b[i])
      return score[i].lower_is_better ? -1 : 1;
    if (a[i] < b[i])
      return score[i].lower_is_better ? 1 : -1;
  }
  return 0;
}