/*
 * Copyright (C) 2014 Apple Inc. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
 * THE POSSIBILITY OF SUCH DAMAGE.
 */

#import "config.h"
#import "UserAgent.h"

#import <WebCore/SystemVersionMac.h>
#import <wtf/NeverDestroyed.h>

namespace WebCore {

#if defined(__ppc__) || defined(__ppc64__)
#define PROCESSOR "PPC"
#elif defined(__i386__) || defined(__x86_64__)
#define PROCESSOR "Intel"
#else
#error Unknown architecture
#endif

static NSString *systemMarketingVersionForUserAgentString()
{
    // Use underscores instead of dots because when we first added the Mac OS X version to the user agent string
    // we were concerned about old DHTML libraries interpreting "4." as Netscape 4. That's no longer a concern for us
    // but we're sticking with the underscores for compatibility with the format used by older versions of Safari.
    return [systemMarketingVersion() stringByReplacingOccurrencesOfString:@"." withString:@"_"];
}

String standardUserAgentWithApplicationName(const String& applicationName, const String& webKitVersionString)
{
    String osVersion = systemMarketingVersionForUserAgentString();

    if (applicationName.isEmpty())
        return makeString("Mozilla/5.0 (Macintosh; " PROCESSOR " Mac OS X ", osVersion, ") AppleWebKit/", webKitVersionString, " (KHTML, like Gecko)");
    return makeString("Mozilla/5.0 (Macintosh; " PROCESSOR " Mac OS X ", osVersion, ") AppleWebKit/", webKitVersionString, " (KHTML, like Gecko) ", applicationName);
}

} // namespace WebCore