#include "image_builder.hpp"

namespace pdfengine {

std::shared_ptr<const ImageObject> ImageBuilder::build(const ResolvedImageDescriptor& descriptor,
                                                        ImagePixelBuffer decodedPixels,
                                                        ImageDiagnostics diagnostics,
                                                        ImageStatistics statistics) {
    ImageId id = generateNextImageId();

    if (statistics.memoryBytes == 0) {
        statistics.width = descriptor.geometry.width;
        statistics.height = descriptor.geometry.height;
        statistics.memoryBytes = decodedPixels.size();
        statistics.compressedBytes = descriptor.originalStream.size();
        statistics.decodedBytes = decodedPixels.size();
        statistics.hasAlpha = descriptor.colorProfile.hasAlpha;
        statistics.hasMask = descriptor.mask.hasMask();
    }

    return std::make_shared<const ImageObject>(
        id,
        descriptor.resourceName,
        descriptor.geometry,
        descriptor.encoding,
        descriptor.colorProfile,
        std::move(decodedPixels),
        descriptor.mask,
        descriptor.originalStream,
        diagnostics,
        statistics
    );
}

} // namespace pdfengine