#ifndef LUA_OBJS_H
#define LUA_OBJS_H

/**
 * @file
 *
 * Defines lua functions to access the various objects in a nexus
 */
#include "nexus_lua.h"

#include <lua5.1/lua.h>
#include <lua5.1/lauxlib.h>

/**
 * Register a new metatable for a named type, this leaves the metatable on the stack.
 */
void lua_obj_create_type (lua_State *L, const char *name, const struct luaL_Reg methods[]);

/**
 * Create a new userdata with the given type metatable name, return the pointer, and keep it on the stack.
 */
void* lua_obj_create_obj (lua_State *L, const char *name, size_t size);

/**
 * Create a new metatable for a type, a userdata for that type, and register it as a global
 */
void* lua_obj_create_global_type (lua_State *L, const char *type_name, const struct luaL_Reg methods[], const char *global_name, size_t size);

/**
 * Get a userdata with the given type metatable name as the first argument for a function.
 */
void* lua_obj_get_obj (lua_State *L, const char *func, const char *name);

/**
 * Registers our lua runtime objects into the given lua state.
 *
 * Call in protected mode.
 */
void lua_objs_init (struct nexus_lua *lua);

#endif /* LUA_OBJS_H */