%module{Slic3r::XS};

%{
#include <xsinit.h>
#include "libslic3r/SurfaceCollection.hpp"
%}

%name{Slic3r::Surface::Collection} class SurfaceCollection {
    %name{_new} SurfaceCollection();
    ~SurfaceCollection();
    void clear()
        %code{% THIS->surfaces.clear(); %};
    void append(Surface* surface)
        %code{% THIS->surfaces.push_back(*surface); %};
    int count()
        %code{% RETVAL = THIS->surfaces.size(); %};
    void simplify(double tolerance);
%{

SV*
SurfaceCollection::arrayref()
    CODE:
        AV* av = newAV();
        av_fill(av, THIS->surfaces.size()-1);
        int i = 0;
        for (Surfaces::iterator it = THIS->surfaces.begin(); it != THIS->surfaces.end(); ++it) {
            av_store(av, i++, perl_to_SV_ref(*it));
        }
        RETVAL = newRV_noinc((SV*)av);
    OUTPUT:
        RETVAL

SV*
SurfaceCollection::filter_by_type(surface_type)
    SurfaceType     surface_type;
    CODE:
        AV* av = newAV();
        for (Surfaces::iterator it = THIS->surfaces.begin(); it != THIS->surfaces.end(); ++it) {
            if ((*it).surface_type == surface_type) av_push(av, perl_to_SV_ref(*it));
        }
        RETVAL = newRV_noinc((SV*)av);
    OUTPUT:
        RETVAL

SV*
SurfaceCollection::group()
    CODE:
        // perform grouping
        std::vector<SurfacesPtr> groups;
        THIS->group(&groups);
        
        // build return arrayref
        AV* av = newAV();
        av_fill(av, groups.size()-1);
        size_t i = 0;
        for (std::vector<SurfacesPtr>::iterator it = groups.begin(); it != groups.end(); ++it) {
            AV* innerav = newAV();
            av_fill(innerav, it->size()-1);
            size_t j = 0;
            for (SurfacesPtr::iterator it_s = it->begin(); it_s != it->end(); ++it_s) {
                av_store(innerav, j++, perl_to_SV_clone_ref(**it_s));
            }
            av_store(av, i++, newRV_noinc((SV*)innerav));
        }
        RETVAL = newRV_noinc((SV*)av);
    OUTPUT:
        RETVAL

%}
};