#ifndef _xsinit_h_
#define _xsinit_h_

#ifdef _MSC_VER
// Disable some obnoxious warnings given by Visual Studio with the default warning level 4.
#pragma warning(disable: 4100 4127 4189 4244 4267 4700 4702 4800)
#endif

// undef some macros set by Perl which cause compilation errors on Win32
#undef read
#undef seekdir
#undef bind
#undef send
#undef connect
#undef wait
#undef accept
#undef close
#undef open
#undef write
#undef socket
#undef listen
#undef shutdown
#undef ioctl
#undef getpeername
#undef rect
#undef setsockopt
#undef getsockopt
#undef getsockname
#undef gethostname
#undef select
#undef socketpair
#undef recvfrom
#undef sendto
#undef pause

// these need to be included early for Win32 (listing it in Build.PL is not enough)
#include <ostream>
#include <iostream>
#include <sstream>
// #include <libslic3r.h>

#ifdef SLIC3RXS
// extern "C" {
#include "EXTERN.h"
#include "perl.h"
#include "XSUB.h"
#include "ppport.h"
#undef do_open
#undef do_close
#undef bind
#undef seed
#undef push
#undef pop
#ifdef _MSC_VER
    // Undef some of the macros set by Perl <xsinit.h>, which cause compilation errors on Win32
    #undef connect
    #undef link
    #undef unlink
    #undef seek
    #undef send
    #undef write
    #undef open
    #undef close
    #undef seekdir
    #undef setbuf
    #undef fread
    #undef fseek
    #undef fputc
    #undef fwrite
    #undef fclose
    #undef sleep
    #undef snprintf
    #undef strerror
    #undef test
    #undef times
    #undef accept
    #undef wait

	// Breaks compilation with Eigen matrices embedded into Slic3r::Point.
	#undef malloc
	#undef realloc
	#undef free
	#undef select

    // Because of TBB
    #define _WIN32_WINNT 0x0502
#endif /* _MSC_VER */
#undef Zero
#undef Packet
#undef _
// }
#endif

#include <ClipperUtils.hpp>
#include <Config.hpp>
#include <ExPolygon.hpp>
#include <MultiPoint.hpp>
#include <Point.hpp>
#include <Polygon.hpp>
#include <Polyline.hpp>
#include <TriangleMesh.hpp>

namespace Slic3r {
    
template<class T>
struct ClassTraits { 
    // Name of a Perl alias of a C++ class type, owned by Perl, reference counted.
    static const char* name;
    // Name of a Perl alias of a C++ class type, owned by the C++ code.
    // The references shall be enumerated at the end of XS.pm, where the desctructor is undefined with sub DESTROY {},
    // so Perl will never delete the object instance.
    static const char* name_ref;
};

// use this for typedefs for which the forward prototype
// in REGISTER_CLASS won't work
#define __REGISTER_CLASS(cname, perlname)                                            \
    template <>const char* ClassTraits<cname>::name = "Slic3r::" perlname;           \
    template <>const char* ClassTraits<cname>::name_ref = "Slic3r::" perlname "::Ref"; 

#define REGISTER_CLASS(cname,perlname)                                               \
    class cname;                                                                     \
    __REGISTER_CLASS(cname, perlname);

// Return Perl alias to a C++ class name.
template<class T>
const char* perl_class_name(const T*) { return ClassTraits<T>::name; }
// Return Perl alias to a C++ class name, suffixed with ::Ref.
// Such a C++ class instance will not be destroyed by Perl, the instance destruction is left to the C++ code.
template<class T>
const char* perl_class_name_ref(const T*) { return ClassTraits<T>::name_ref; }

// Mark the Perl SV (Scalar Value) as owning a "blessed" pointer to an object reference.
// Perl will never release the C++ instance.
template<class T>
SV* perl_to_SV_ref(T &t) {
    SV* sv = newSV(0);
    sv_setref_pv( sv, perl_class_name_ref(&t), &t );
    return sv;
}

// Mark the Perl SV (Scalar Value) as owning a "blessed" pointer to an object instance.
// Perl will own the C++ instance, therefore it will also release it.
template<class T>
SV* perl_to_SV_clone_ref(const T &t) {
    SV* sv = newSV(0);
    sv_setref_pv( sv, perl_class_name(&t), new T(t) );
    return sv;
}

// Reference wrapper to provide a C++ instance to Perl while keeping Perl from destroying the instance.
// The instance is created temporarily by XS.cpp just to provide Perl with a CLASS name and a object instance pointer.
template <class T> 
class Ref {
    T* val;
public:
    Ref() : val(NULL) {}
    Ref(T* t) : val(t) {}
    Ref(const T* t) : val(const_cast<T*>(t)) {}
    // Called by XS.cpp to convert the referenced object instance to a Perl SV, before it is blessed with the name
    // returned by CLASS()
    operator T*() const { return val; }
    // Name to bless the Perl SV with. The name ends with a "::Ref" suffix to keep Perl from destroying the object instance.
    static const char* CLASS() { return ClassTraits<T>::name_ref; }
};

// Wrapper to clone a C++ object instance before passing it to Perl for ownership.
// This wrapper instance is created temporarily by XS.cpp to provide Perl with a CLASS name and a object instance pointer.
template <class T>
class Clone {
    T* val;
public:
    Clone() : val(NULL) {}
    Clone(T* t) : val(new T(*t)) {}
    Clone(const T& t) : val(new T(t)) {}
    // Called by XS.cpp to convert the cloned object instance to a Perl SV, before it is blessed with the name
    // returned by CLASS()
    operator T*() const { return val; }
    // Name to bless the Perl SV with. If there is a destructor registered in the XSP file for this class, then Perl will
    // call this destructor when the reference counter of this SV drops to zero.
    static const char* CLASS() { return ClassTraits<T>::name; }
};

SV* ConfigBase__as_hash(ConfigBase* THIS);
SV* ConfigOption_to_SV(const ConfigOption &opt, const ConfigOptionDef &def);
SV* ConfigBase__get(ConfigBase* THIS, const t_config_option_key &opt_key);
SV* ConfigBase__get_at(ConfigBase* THIS, const t_config_option_key &opt_key, size_t i);
bool ConfigBase__set(ConfigBase* THIS, const t_config_option_key &opt_key, SV* value);
bool ConfigBase__set_deserialize(ConfigBase* THIS, const t_config_option_key &opt_key, SV* str);
void ConfigBase__set_ifndef(ConfigBase* THIS, const t_config_option_key &opt_key, SV* value, bool deserialize = false);
bool StaticConfig__set(StaticConfig* THIS, const t_config_option_key &opt_key, SV* value);
SV* to_AV(ExPolygon* expolygon);
SV* to_SV_pureperl(const ExPolygon* expolygon);
void from_SV(SV* expoly_sv, ExPolygon* expolygon);
void from_SV_check(SV* expoly_sv, ExPolygon* expolygon);
void from_SV(SV* line_sv, Line* THIS);
void from_SV_check(SV* line_sv, Line* THIS);
SV* to_AV(Line* THIS);
SV* to_SV_pureperl(const Line* THIS);
void from_SV(SV* poly_sv, MultiPoint* THIS);
void from_SV_check(SV* poly_sv, MultiPoint* THIS);
SV* to_AV(MultiPoint* THIS);
SV* to_SV_pureperl(const MultiPoint* THIS);
void from_SV_check(SV* poly_sv, Polygon* THIS);
void from_SV_check(SV* poly_sv, Polyline* THIS);
SV* to_SV_pureperl(const Point* THIS);
void from_SV(SV* point_sv, Point* point);
void from_SV_check(SV* point_sv, Point* point);
SV* to_SV_pureperl(const Vec2d* point);
bool from_SV(SV* point_sv, Vec2d* point);
bool from_SV_check(SV* point_sv, Vec2d* point);
void from_SV_check(SV* surface_sv, Surface* THIS);
SV* to_SV(TriangleMesh* THIS);

}

// Defined in wxPerlIface.cpp
// Return a pointer to the associated wxWidgets object instance given by classname.
extern void* wxPli_sv_2_object( pTHX_ SV* scalar, const char* classname );

inline void confess_at(const char *file, int line, const char *func, const char *pat, ...)
{
    #ifdef SLIC3RXS
     va_list args;
     SV *error_sv = newSVpvf("Error in function %s at %s:%d: ", func,
         file, line);

     va_start(args, pat);
     sv_vcatpvf(error_sv, pat, &args);
     va_end(args);

     sv_catpvn(error_sv, "\n\t", 2);

     dSP;
     ENTER;
     SAVETMPS;
     PUSHMARK(SP);
     XPUSHs( sv_2mortal(error_sv) );
     PUTBACK;
     call_pv("Carp::confess", G_DISCARD);
     FREETMPS;
     LEAVE;
    #endif
}

#ifndef CONFESS
/* Implementation of CONFESS("foo"): */
#ifdef _MSC_VER
    #define CONFESS(...) confess_at(__FILE__, __LINE__, __FUNCTION__, __VA_ARGS__)
#else
    #define CONFESS(...) confess_at(__FILE__, __LINE__, __func__, __VA_ARGS__)
#endif
/* End implementation of CONFESS("foo"): */
#endif /* CONFESS */

using namespace Slic3r;

#endif
