#include "builtin.h"
#include "function.h"
#include "module.h"
#include "expression.h"
#include <boost/foreach.hpp>

Builtins *Builtins::instance(bool erase)
{
	static Builtins *s_builtins = new Builtins;
	if (erase) {
		delete s_builtins;
		s_builtins = NULL;
	}
	return s_builtins;
}

void Builtins::init(const char *name, class AbstractModule *module)
{
#ifndef ENABLE_EXPERIMENTAL
	if (module->is_experimental()) {
		return;
	}
#endif
	Builtins::instance()->globalscope.modules[name] = module;
}

void Builtins::init(const char *name, class AbstractFunction *function)
{
#ifndef ENABLE_EXPERIMENTAL
	if (function->is_experimental()) {
		return;
	}
#endif
	Builtins::instance()->globalscope.functions[name] = function;
}

extern void register_builtin_functions();
extern void register_builtin_csgops();
extern void register_builtin_transform();
extern void register_builtin_color();
extern void register_builtin_primitives();
extern void register_builtin_surface();
extern void register_builtin_control();
extern void register_builtin_render();
extern void register_builtin_import();
extern void register_builtin_projection();
extern void register_builtin_cgaladv();
extern void register_builtin_dxf_linear_extrude();
extern void register_builtin_dxf_rotate_extrude();
extern void initialize_builtin_dxf_dim();

/*!
	Registers all builtin functions.
	Call once for the whole app.
*/
void Builtins::initialize()
{
	register_builtin_functions();
	initialize_builtin_dxf_dim();

	init("group", new AbstractModule());

	register_builtin_csgops();
	register_builtin_transform();
	register_builtin_color();
	register_builtin_primitives();
	register_builtin_surface();
	register_builtin_control();
	register_builtin_render();
	register_builtin_import();
	register_builtin_projection();
	register_builtin_cgaladv();
	register_builtin_dxf_linear_extrude();
	register_builtin_dxf_rotate_extrude();

	this->deprecations["dxf_linear_extrude"] = "linear_extrude";
	this->deprecations["dxf_rotate_extrude"] = "rotate_extrude";
	this->deprecations["import_stl"] = "import";
	this->deprecations["import_dxf"] = "import";
	this->deprecations["import_off"] = "import";
}

std::string Builtins::isDeprecated(const std::string &name)
{
	if (this->deprecations.find(name) != this->deprecations.end()) {
		return this->deprecations[name];
	}
	return std::string();
}

Builtins::Builtins()
{
	this->globalscope.assignments.push_back(Assignment("$fn", new Expression(Value(0.0))));
	this->globalscope.assignments.push_back(Assignment("$fs", new Expression(Value(2.0))));
	this->globalscope.assignments.push_back(Assignment("$fa", new Expression(Value(12.0))));
	this->globalscope.assignments.push_back(Assignment("$t", new Expression(Value(0.0))));

	Value::VectorType zero3;
	zero3.push_back(Value(0.0));
	zero3.push_back(Value(0.0));
	zero3.push_back(Value(0.0));
	Value zero3val(zero3);
	this->globalscope.assignments.push_back(Assignment("$vpt", new Expression(zero3val)));
	this->globalscope.assignments.push_back(Assignment("$vpr", new Expression(zero3val)));
}

Builtins::~Builtins()
{
}
