#ifndef slic3r_Point_hpp_
#define slic3r_Point_hpp_

extern "C" {
#include "EXTERN.h"
#include "perl.h"
#include "XSUB.h"
#include "ppport.h"
}

#include <vector>
#include <math.h>

namespace Slic3r {

class Point
{
    public:
    long x;
    long y;
    explicit Point(long _x = 0, long _y = 0): x(_x), y(_y) {};
    void from_SV(SV* point_sv);
    void from_SV_check(SV* point_sv);
    SV* to_SV_pureperl();
    void scale(double factor);
    void translate(double x, double y);
    void rotate(double angle, Point* center);
    bool coincides_with(Point* point);
};

typedef std::vector<Point> Points;

void
Point::scale(double factor)
{
    this->x *= factor;
    this->y *= factor;
}

void
Point::translate(double x, double y)
{
    this->x += x;
    this->y += y;
}

void
Point::rotate(double angle, Point* center)
{
    double cur_x = (double)this->x;
    double cur_y = (double)this->y;
    this->x = (long)( (double)center->x + cos(angle) * (cur_x - (double)center->x) - sin(angle) * (cur_y - (double)center->y) );
    this->y = (long)( (double)center->y + cos(angle) * (cur_y - (double)center->y) + sin(angle) * (cur_x - (double)center->x) );
}

bool
Point::coincides_with(Point* point)
{
    return this->x == point->x && this->y == point->y;
}

SV*
Point::to_SV_pureperl() {
    AV* av = newAV();
    av_fill(av, 1);
    av_store(av, 0, newSViv(this->x));
    av_store(av, 1, newSViv(this->y));
    return newRV_noinc((SV*)av);
}

void
Point::from_SV(SV* point_sv)
{
    AV* point_av = (AV*)SvRV(point_sv);
    this->x = (long)SvIV(*av_fetch(point_av, 0, 0));
    this->y = (long)SvIV(*av_fetch(point_av, 1, 0));
}

void
Point::from_SV_check(SV* point_sv)
{
    if (sv_isobject(point_sv) && (SvTYPE(SvRV(point_sv)) == SVt_PVMG)) {
        *this = *(Point*)SvIV((SV*)SvRV( point_sv ));
    } else {
        this->from_SV(point_sv);
    }
}

}

#endif