/*

 * Hedgewars-iOS, a Hedgewars port for iOS devices

 * Copyright (c) 2009-2010 Vittorio Giovara <vittorio.giovara@gmail.com>

 *

 * 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; version 2 of the License

 *

 * 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.

 *

 * File created on 01/10/2011.

 */

#import "HWUtils.h"

#import <sys/types.h>

#import <sys/sysctl.h>

#import "hwconsts.h"

static NSString *cachedModel = nil;

static NSArray *cachedColors = nil;

@implementation HWUtils

+(NSString *)modelType {

    if (cachedModel == nil) {

        size_t size;

        // set 'oldp' parameter to NULL to get the size of the data returned so we can allocate appropriate amount of space

        sysctlbyname("hw.machine", NULL, &size, NULL, 0);

        char *name = (char *)malloc(sizeof(char) * size);

        // get the platform name

        sysctlbyname("hw.machine", name, &size, NULL, 0);

        cachedModel = [[NSString stringWithUTF8String:name] retain];

        free(name);

    }

    return cachedModel;

}

+(NSArray *)teamColors {

    if (cachedColors == nil) {

        // by default colors are ARGB but we do computation over RGB, hence we have to "& 0x00FFFFFF" before processing

        unsigned int colors[] = HW_TEAMCOLOR_ARRAY;

        NSMutableArray *array = [[NSMutableArray alloc] init];

        int i = 0;

        while(colors[i] != 0)

            [array addObject:[NSNumber numberWithUnsignedInt:(colors[i++] & 0x00FFFFFF)]];

        cachedColors = [[NSArray arrayWithArray:array] retain];

        [array release];

    }

    return cachedColors;

}

+(void) releaseCache {

    releaseAndNil(cachedModel);

    releaseAndNil(cachedColors);

}

@end