bool SFB::Audio::OggFLACMetadata::_WriteMetadata(CFErrorRef *error)
{
	UInt8 buf [PATH_MAX];
	if(!CFURLGetFileSystemRepresentation(mURL, false, buf, PATH_MAX))
		return false;

	std::unique_ptr<TagLib::FileStream> stream(new TagLib::FileStream((const char *)buf));
	if(!stream->isOpen()) {
		if(error) {
			SFB::CFString description = CFCopyLocalizedString(CFSTR("The file “%@” could not be opened for writing."), "");
			SFB::CFString failureReason = CFCopyLocalizedString(CFSTR("Input/output error"), "");
			SFB::CFString recoverySuggestion = CFCopyLocalizedString(CFSTR("The file may have been renamed, moved, deleted, or you may not have appropriate permissions."), "");

			*error = CreateErrorForURL(Metadata::ErrorDomain, Metadata::InputOutputError, description, mURL, failureReason, recoverySuggestion);
		}

		return false;
	}

	TagLib::Ogg::FLAC::File file(stream.get(), false);
	if(!file.isValid()) {
		if(error) {
			SFB::CFString description = CFCopyLocalizedString(CFSTR("The file “%@” is not a valid Ogg file."), "");
			SFB::CFString failureReason = CFCopyLocalizedString(CFSTR("Not an Ogg file"), "");
			SFB::CFString recoverySuggestion = CFCopyLocalizedString(CFSTR("The file's extension may not match the file's type."), "");
			
			*error = CreateErrorForURL(Metadata::ErrorDomain, Metadata::InputOutputError, description, mURL, failureReason, recoverySuggestion);
		}

		return false;
	}

	SetXiphCommentFromMetadata(*this, file.tag());

	if(!file.save()) {
		if(error) {
			SFB::CFString description = CFCopyLocalizedString(CFSTR("The file “%@” is not a valid Ogg file."), "");
			SFB::CFString failureReason = CFCopyLocalizedString(CFSTR("Unable to write metadata"), "");
			SFB::CFString recoverySuggestion = CFCopyLocalizedString(CFSTR("The file's extension may not match the file's type."), "");
			
			*error = CreateErrorForURL(Metadata::ErrorDomain, Metadata::InputOutputError, description, mURL, failureReason, recoverySuggestion);
		}
		
		return false;
	}

	return true;
}
bool OggVorbisMetadata::WriteMetadata(CFErrorRef *error)
{
	UInt8 buf [PATH_MAX];
	if(!CFURLGetFileSystemRepresentation(mURL, false, buf, PATH_MAX))
		return false;

	auto stream = new TagLib::FileStream(reinterpret_cast<const char *>(buf));
	TagLib::Ogg::Vorbis::File file(stream, false);
	
	if(!file.isValid()) {
		if(error) {
			CFStringRef description = CFCopyLocalizedString(CFSTR("The file “%@” is not a valid Ogg Vorbis file."), "");
			CFStringRef failureReason = CFCopyLocalizedString(CFSTR("Not an Ogg Vorbis file"), "");
			CFStringRef recoverySuggestion = CFCopyLocalizedString(CFSTR("The file's extension may not match the file's type."), "");
			
			*error = CreateErrorForURL(AudioMetadataErrorDomain, AudioMetadataInputOutputError, description, mURL, failureReason, recoverySuggestion);
			
			CFRelease(description), description = nullptr;
			CFRelease(failureReason), failureReason = nullptr;
			CFRelease(recoverySuggestion), recoverySuggestion = nullptr;
		}

		return false;
	}

	SetXiphCommentFromMetadata(*this, file.tag());

	if(!file.save()) {
		if(error) {
			CFStringRef description = CFCopyLocalizedString(CFSTR("The file “%@” is not a valid Ogg Vorbis file."), "");
			CFStringRef failureReason = CFCopyLocalizedString(CFSTR("Unable to write metadata"), "");
			CFStringRef recoverySuggestion = CFCopyLocalizedString(CFSTR("The file's extension may not match the file's type."), "");
			
			*error = CreateErrorForURL(AudioMetadataErrorDomain, AudioMetadataInputOutputError, description, mURL, failureReason, recoverySuggestion);
			
			CFRelease(description), description = nullptr;
			CFRelease(failureReason), failureReason = nullptr;
			CFRelease(recoverySuggestion), recoverySuggestion = nullptr;
		}
		
		return false;
	}

	MergeChangedMetadataIntoMetadata();

	return true;
}
bool FLACMetadata::WriteMetadata(CFErrorRef *error)
{
	UInt8 buf [PATH_MAX];
	if(!CFURLGetFileSystemRepresentation(mURL, false, buf, PATH_MAX))
		return false;

	auto stream = new TagLib::FileStream(reinterpret_cast<const char *>(buf));
	TagLib::FLAC::File file(stream, TagLib::ID3v2::FrameFactory::instance(), false);

	if(!file.isValid()) {
		if(error) {
			CFStringRef description = CFCopyLocalizedString(CFSTR("The file “%@” is not a valid FLAC file."), "");
			CFStringRef failureReason = CFCopyLocalizedString(CFSTR("Not a FLAC file"), "");
			CFStringRef recoverySuggestion = CFCopyLocalizedString(CFSTR("The file's extension may not match the file's type."), "");
			
			*error = CreateErrorForURL(AudioMetadataErrorDomain, AudioMetadataInputOutputError, description, mURL, failureReason, recoverySuggestion);
			
			CFRelease(description), description = nullptr;
			CFRelease(failureReason), failureReason = nullptr;
			CFRelease(recoverySuggestion), recoverySuggestion = nullptr;
		}

		return false;
	}

	SetXiphCommentFromMetadata(*this, file.xiphComment(), false);

	// Remove existing cover art
	file.removePictures();

	// Add album art
	for(auto attachedPicture : GetAttachedPictures()) {
	
		CGImageSourceRef imageSource = CGImageSourceCreateWithData(attachedPicture->GetData(), nullptr);
		if(nullptr == imageSource) {
			LOGGER_ERR("org.sbooth.AudioEngine.AudioMetadata.FLAC", "Skipping album art (unable to create image)");
			continue;
		}

		TagLib::FLAC::Picture *picture = new TagLib::FLAC::Picture;
		picture->setData(TagLib::ByteVector((const char *)CFDataGetBytePtr(attachedPicture->GetData()), (TagLib::uint)CFDataGetLength(attachedPicture->GetData())));
		picture->setType(static_cast<TagLib::FLAC::Picture::Type>(attachedPicture->GetType()));
		if(attachedPicture->GetDescription())
			picture->setDescription(TagLib::StringFromCFString(attachedPicture->GetDescription()));

		// Convert the image's UTI into a MIME type
		CFStringRef mimeType = UTTypeCopyPreferredTagWithClass(CGImageSourceGetType(imageSource), kUTTagClassMIMEType);
		if(mimeType) {
			picture->setMimeType(TagLib::StringFromCFString(mimeType));
			CFRelease(mimeType), mimeType = nullptr;
		}

		// Flesh out the height, width, and depth
		CFDictionaryRef imagePropertiesDictionary = CGImageSourceCopyPropertiesAtIndex(imageSource, 0, nullptr);
		if(imagePropertiesDictionary) {
			CFNumberRef imageWidth = (CFNumberRef)CFDictionaryGetValue(imagePropertiesDictionary, kCGImagePropertyPixelWidth);
			CFNumberRef imageHeight = (CFNumberRef)CFDictionaryGetValue(imagePropertiesDictionary, kCGImagePropertyPixelHeight);
			CFNumberRef imageDepth = (CFNumberRef)CFDictionaryGetValue(imagePropertiesDictionary, kCGImagePropertyDepth);

			int height, width, depth;

			// Ignore numeric conversion errors
			CFNumberGetValue(imageWidth, kCFNumberIntType, &width);
			CFNumberGetValue(imageHeight, kCFNumberIntType, &height);
			CFNumberGetValue(imageDepth, kCFNumberIntType, &depth);

			picture->setHeight(height);
			picture->setWidth(width);
			picture->setColorDepth(depth);

			CFRelease(imagePropertiesDictionary), imagePropertiesDictionary = nullptr;
		}

		file.addPicture(picture);

		CFRelease(imageSource), imageSource = nullptr;
	}

	if(!file.save()) {
		if(error) {
			CFStringRef description = CFCopyLocalizedString(CFSTR("The file “%@” is not a valid FLAC file."), "");
			CFStringRef failureReason = CFCopyLocalizedString(CFSTR("Unable to write metadata"), "");
			CFStringRef recoverySuggestion = CFCopyLocalizedString(CFSTR("The file's extension may not match the file's type."), "");
			
			*error = CreateErrorForURL(AudioMetadataErrorDomain, AudioMetadataInputOutputError, description, mURL, failureReason, recoverySuggestion);
			
			CFRelease(description), description = nullptr;
			CFRelease(failureReason), failureReason = nullptr;
			CFRelease(recoverySuggestion), recoverySuggestion = nullptr;
		}

		return false;
	}

	MergeChangedMetadataIntoMetadata();

	return true;
}
bool OggSpeexMetadata::WriteMetadata(CFErrorRef *error)
{
	UInt8 buf [PATH_MAX];
	if(!CFURLGetFileSystemRepresentation(mURL, false, buf, PATH_MAX))
		return false;
	
	// TODO: Use unique_ptr once the switch to C++11 STL is made
	std::auto_ptr<TagLib::FileStream> stream(new TagLib::FileStream(reinterpret_cast<const char *>(buf)));
	if(!stream->isOpen()) {
		if(error) {
			CFStringRef description = CFCopyLocalizedString(CFSTR("The file “%@” could not be opened for writing."), "");
			CFStringRef failureReason = CFCopyLocalizedString(CFSTR("Input/output error"), "");
			CFStringRef recoverySuggestion = CFCopyLocalizedString(CFSTR("The file may have been renamed, moved, deleted, or you may not have appropriate permissions."), "");

			*error = CreateErrorForURL(AudioMetadataErrorDomain, AudioMetadataInputOutputError, description, mURL, failureReason, recoverySuggestion);

			CFRelease(description), description = nullptr;
			CFRelease(failureReason), failureReason = nullptr;
			CFRelease(recoverySuggestion), recoverySuggestion = nullptr;
		}

		return false;
	}

	TagLib::Ogg::Speex::File file(stream.get(), false);
	if(!file.isValid()) {
		if(error) {
			CFStringRef description = CFCopyLocalizedString(CFSTR("The file “%@” is not a valid Ogg Speex file."), "");
			CFStringRef failureReason = CFCopyLocalizedString(CFSTR("Not an Ogg Speex file"), "");
			CFStringRef recoverySuggestion = CFCopyLocalizedString(CFSTR("The file's extension may not match the file's type."), "");
			
			*error = CreateErrorForURL(AudioMetadataErrorDomain, AudioMetadataInputOutputError, description, mURL, failureReason, recoverySuggestion);
			
			CFRelease(description), description = nullptr;
			CFRelease(failureReason), failureReason = nullptr;
			CFRelease(recoverySuggestion), recoverySuggestion = nullptr;
		}
		
		return false;
	}
	
	SetXiphCommentFromMetadata(*this, file.tag());
	
	if(!file.save()) {
		if(error) {
			CFStringRef description = CFCopyLocalizedString(CFSTR("The file “%@” is not a valid Ogg Speex file."), "");
			CFStringRef failureReason = CFCopyLocalizedString(CFSTR("Unable to write metadata"), "");
			CFStringRef recoverySuggestion = CFCopyLocalizedString(CFSTR("The file's extension may not match the file's type."), "");
			
			*error = CreateErrorForURL(AudioMetadataErrorDomain, AudioMetadataInputOutputError, description, mURL, failureReason, recoverySuggestion);
			
			CFRelease(description), description = nullptr;
			CFRelease(failureReason), failureReason = nullptr;
			CFRelease(recoverySuggestion), recoverySuggestion = nullptr;
		}
		
		return false;
	}
	
	MergeChangedMetadataIntoMetadata();
	
	return true;
}
bool OggSpeexMetadata::WriteMetadata(CFErrorRef *error)
{
	UInt8 buf [PATH_MAX];
	if(!CFURLGetFileSystemRepresentation(mURL, false, buf, PATH_MAX))
		return false;
	
	TagLib::IOStream *stream = new TagLib::FileStream(reinterpret_cast<const char *>(buf));
	TagLib::Ogg::Speex::File file(stream, false);
	
	if(!file.isValid()) {
		if(error) {
			CFMutableDictionaryRef errorDictionary = CFDictionaryCreateMutable(kCFAllocatorDefault, 
																			   0,
																			   &kCFTypeDictionaryKeyCallBacks,
																			   &kCFTypeDictionaryValueCallBacks);
			
			CFStringRef displayName = CreateDisplayNameForURL(mURL);
			CFStringRef errorString = CFStringCreateWithFormat(kCFAllocatorDefault, 
															   NULL, 
															   CFCopyLocalizedString(CFSTR("The file “%@” is not a valid Ogg Speex file."), ""), 
															   displayName);
			
			CFDictionarySetValue(errorDictionary, 
								 kCFErrorLocalizedDescriptionKey, 
								 errorString);
			
			CFDictionarySetValue(errorDictionary, 
								 kCFErrorLocalizedFailureReasonKey, 
								 CFCopyLocalizedString(CFSTR("Not an Ogg Speex file"), ""));
			
			CFDictionarySetValue(errorDictionary, 
								 kCFErrorLocalizedRecoverySuggestionKey, 
								 CFCopyLocalizedString(CFSTR("The file's extension may not match the file's type."), ""));
			
			CFRelease(errorString), errorString = NULL;
			CFRelease(displayName), displayName = NULL;
			
			*error = CFErrorCreate(kCFAllocatorDefault, 
								   AudioMetadataErrorDomain, 
								   AudioMetadataInputOutputError, 
								   errorDictionary);
			
			CFRelease(errorDictionary), errorDictionary = NULL;				
		}
		
		return false;
	}
	
	SetXiphCommentFromMetadata(*this, file.tag());
	
	if(!file.save()) {
		if(error) {
			CFMutableDictionaryRef errorDictionary = CFDictionaryCreateMutable(kCFAllocatorDefault, 
																			   0,
																			   &kCFTypeDictionaryKeyCallBacks,
																			   &kCFTypeDictionaryValueCallBacks);
			
			CFStringRef displayName = CreateDisplayNameForURL(mURL);
			CFStringRef errorString = CFStringCreateWithFormat(kCFAllocatorDefault, 
															   NULL, 
															   CFCopyLocalizedString(CFSTR("The file “%@” is not a valid Ogg Speex file."), ""), 
															   displayName);
			
			CFDictionarySetValue(errorDictionary, 
								 kCFErrorLocalizedDescriptionKey, 
								 errorString);
			
			CFDictionarySetValue(errorDictionary, 
								 kCFErrorLocalizedFailureReasonKey, 
								 CFCopyLocalizedString(CFSTR("Unable to write metadata"), ""));
			
			CFDictionarySetValue(errorDictionary, 
								 kCFErrorLocalizedRecoverySuggestionKey, 
								 CFCopyLocalizedString(CFSTR("The file's extension may not match the file's type."), ""));
			
			CFRelease(errorString), errorString = NULL;
			CFRelease(displayName), displayName = NULL;
			
			*error = CFErrorCreate(kCFAllocatorDefault, 
								   AudioMetadataErrorDomain, 
								   AudioMetadataInputOutputError, 
								   errorDictionary);
			
			CFRelease(errorDictionary), errorDictionary = NULL;				
		}
		
		return false;
	}
	
	MergeChangedMetadataIntoMetadata();
	
	return true;
}