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#include <iostream>

#include "CGLA/Vec3f.h"
#include "HMesh/quadric_simplify.h"
#include "HMesh/x3d_save.h"
#include "HMesh/x3d_load.h"
#include "HMesh/obj_load.h"
#include "HMesh/obj_save.h"
#include "HMesh/caps_and_needles.h"
#include "HMesh/triangulate.h"

using namespace std;
using namespace CGLA;
using namespace HMesh;

int main(int argc, char** argv)
{
    Manifold m;
        
    string file;
    if(argc>1)
        file = argv[1];
    else
        file = "../../data/bunny-little.x3d";
        
        if(file.substr(file.length()-4,file.length())==".obj")
        {
                obj_load(file, m);
        }
        else
                x3d_load(file, m);
                                
        shortest_edge_triangulate(m);
        
        Vec3f p0, p7;
        m.get_bbox(p0, p7);
        Vec3f d = p7-p0;
        float s = 1.0/d.max_coord();
        cout << p0 << p7 << d << s << endl;
        Vec3f pcentre = (p7+p0)/2.0;
        for(VertexIter vi = m.vertices_begin(); vi != m.vertices_end(); ++vi)
        {
                vi->pos = (vi->pos - pcentre) * s;
        }
        
        m.get_bbox(p0, p7);
        cout << p0 << p7 << endl;
        
        float avg_length = 0;
        for(HalfEdgeIter h = m.halfedges_begin(); h != m.halfedges_end(); ++h)
        {
                avg_length += length(h);
        }
        avg_length /= m.no_halfedges();
        
        cout << "Perform quadric based simplification ... " << endl;
        if(argc>2)
                quadric_simplify(m,atoi(argv[2]),0.05, true);
        else
                quadric_simplify(m,10000);
        
        cout << "Removing caps and needles ... " << endl;
        remove_caps_from_trimesh(m, static_cast<float>(M_PI) * 0.85f);
        remove_needles_from_trimesh(m, 0.1 * avg_length);
    
    cout << "Validity: " << m.is_valid() << endl;
    cout << "Now saving ... " << endl;
    obj_save("decimated.obj", m);
}