#include <opensubdiv/far/topologyRefiner.h>
#include <opensubdiv/far/topologyRefinerFactory.h>
#include <opensubdiv/far/topologyDescriptor.h>

typedef OpenSubdiv::Far::TopologyRefiner TopologyRefiner;
typedef OpenSubdiv::Far::TopologyLevel TopologyLevel;
typedef OpenSubdiv::Far::TopologyDescriptor TopologyDescriptor;
typedef OpenSubdiv::Far::TopologyRefinerFactory<TopologyDescriptor>::Options Options;

extern "C" {
TopologyRefiner* TopologyRefinerFactory_TopologyDescriptor_Create(
    TopologyDescriptor* descriptor,
    Options options
) {
    return OpenSubdiv::Far::TopologyRefinerFactory<TopologyDescriptor>::Create(*descriptor, options);
}

/// \brief Returns the number of refinement levels
int TopologyRefiner_GetNumLevels(TopologyRefiner* refiner) {
    return refiner->GetNumLevels();
}

/// \brief Returns the highest level of refinement
int TopologyRefiner_GetMaxLevel(TopologyRefiner* refiner) {
    return refiner->GetMaxLevel();
}

/// \brief Returns the maximum vertex valence in all levels
int TopologyRefiner_GetMaxValence(TopologyRefiner* refiner) {
    return refiner->GetMaxValence();
}

/// \brief Returns the total number of vertices in all levels
int TopologyRefiner_GetNumVerticesTotal(TopologyRefiner* refiner) {
    return refiner->GetNumVerticesTotal();
}

/// \brief Returns the total number of edges in all levels
int TopologyRefiner_GetNumEdgesTotal(TopologyRefiner* refiner) {
    return refiner->GetNumEdgesTotal();
}

/// \brief Returns the total number of edges in all levels
int TopologyRefiner_GetNumFacesTotal(TopologyRefiner* refiner) {
    return refiner->GetNumFacesTotal();
}

/// \brief Returns the total number of face vertices in all levels
int TopologyRefiner_GetNumFaceVerticesTotal(TopologyRefiner* refiner) {
    return refiner->GetNumFaceVerticesTotal();
}

/// \brief Returns a handle to access data specific to a particular level
const TopologyLevel* TopologyRefiner_GetLevel(TopologyRefiner* refiner, int level) {
    return &refiner->GetLevel(level);
}
}