//  Copyright (c) 2008-2009 Niels Martin Hansen
//  Copyright (c) 2010 Amar Takhar
//
//  Redistribution and use in source and binary forms, with or without
//  modification, are permitted provided that the following conditions are met:
//
//  * Redistributions of source code must retain the above copyright notice,
//    this list of conditions and the following disclaimer.
//  * 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.
//  * Neither the name of the Aegisub Group nor the names of its contributors
//    may be used to endorse or promote products derived from this software
//    without specific prior written permission.
//
//  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND 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 THE COPYRIGHT OWNER OR 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.
//
//  Aegisub Project http://www.aegisub.org/
//
//  $Id$

/// @file util.cpp
/// @brief OSX Utilities
/// @ingroup libosxutil osx


#include <string.h>
#include <sys/param.h>
#include <CoreFoundation/CFBundle.h>
#include <CoreFoundation/CFURL.h>
#include <CoreFoundation/CFString.h>
#include <ApplicationServices/ApplicationServices.h>

#include "libaegisub/util_osx.h"

namespace agi {
	namespace util {


/// @brief Type of functions that return a URL from a bundle.
/// @internal
typedef CFURLRef (*GetURLFunc)(CFBundleRef);

/// @brief Generic implementation to retrieve pathnames inside a bundle.
///
/// @internal Provide a generic implementation for most of the logic
///           in path-retrieval, since what differs for the various functions is
///           only the call used to retrieve the actual path inside the bundle.
static char * GetDir(GetURLFunc GetURL)
{
	CFBundleRef bundle;
	CFURLRef res_dir_url;
	char res_dir_str[MAXPATHLEN];
	Boolean res;

	bundle = CFBundleGetMainBundle();
	if (!bundle) return NULL;

	res_dir_url = (*GetURL)(bundle);
	/* we do not own 'bundle' so don't release it */
	if (!res_dir_url) return NULL;

	res = CFURLGetFileSystemRepresentation(res_dir_url, true, (UInt8*)res_dir_str, MAXPATHLEN);
	CFRelease(res_dir_url);

	if (res == false)
		return NULL;
	else
		return strdup(res_dir_str);
}


char * OSX_GetBundlePath()
{
	return GetDir(CFBundleCopyBundleURL);
}


char * OSX_GetBundleResourcesDirectory()
{
	return GetDir(CFBundleCopyResourcesDirectoryURL);
}


char * OSX_GetBundleExecutablePath()
{
	return GetDir(CFBundleCopyExecutableURL);
}


char * OSX_GetBundleBuiltInPlugInsDirectory()
{
	return GetDir(CFBundleCopyBuiltInPlugInsURL);
}


char * OSX_GetBundlePrivateFrameworksDirectory()
{
	return GetDir(CFBundleCopyPrivateFrameworksURL);
}


char * OSX_GetBundleSharedFrameworksDirectory()
{
	return GetDir(CFBundleCopySharedFrameworksURL);
}


char * OSX_GetBundleSharedSupportDirectory()
{
	return GetDir(CFBundleCopySharedSupportURL);
}


char * OSX_GetBundleSupportFilesDirectory()
{
	return GetDir(CFBundleCopySupportFilesDirectoryURL);
}


char * OSX_GetBundleAuxillaryExecutablePath(const char *executableName)
{
	CFStringRef exename_str;
	CFBundleRef bundle;
	CFURLRef res_dir_url;
	char res_dir_str[MAXPATHLEN];
	Boolean res;

	exename_str = CFStringCreateWithCString(NULL, executableName, kCFStringEncodingUTF8);
	if (!exename_str) return NULL;

	bundle = CFBundleGetMainBundle();
	if (!bundle) return NULL;

	res_dir_url = CFBundleCopyAuxiliaryExecutableURL(bundle, exename_str);
	CFRelease(exename_str);
	if (!res_dir_url) return NULL;

	res = CFURLGetFileSystemRepresentation(res_dir_url, true, (UInt8*)res_dir_str, MAXPATHLEN);
	CFRelease(res_dir_url);

	if (res == false)
		return NULL;
	else
		return strdup(res_dir_str);
}


void OSX_OpenLocation (const char *location) {

	CFStringRef CFSlocation = CFStringCreateWithCString(NULL, location, kCFStringEncodingUTF8);

	CFURLRef url = CFURLCreateWithFileSystemPath(NULL, CFSlocation , kCFURLPOSIXPathStyle, false);
	OSStatus stat = LSOpenCFURLRef(url, NULL);
	printf("libosxutil::OSX_OpenLocation: %s\n", GetMacOSStatusCommentString(stat));
}

	} // namespace io
} // namespace agi