#include "lua_engine.h"

#include <stdlib.h>
#include <stdio.h>

// Lua头文件 (需要单独下载或集成)
// #include <lua.h>
// #include <lualib.h>
// #include <lauxlib.h>

// 由于Lua需要单独集成，这里提供占位实现
// 实际使用时取消注释并链接Lua库

typedef struct lua_State lua_State;

static lua_State* luaL_newstate(void) { return NULL; }
static void luaL_openlibs(lua_State* L) { (void)L; }
static int luaL_dofile(lua_State* L, const char* fn) { (void)L; (void)fn; return -1; }
static int luaL_dostring(lua_State* L, const char* s) { (void)L; (void)s; return -1; }
static void lua_close(lua_State* L) { (void)L; }

LuaEngine* lua_engine_create(void) {
    return (LuaEngine*)calloc(1, sizeof(LuaEngine));
}

void lua_engine_destroy(LuaEngine* engine) {
    if (!engine) return;
    if (engine->L) lua_close(engine->L);
    free(engine);
}

int lua_engine_init(LuaEngine* engine) {
    engine->L = luaL_newstate();
    if (!engine->L) return -1;
    luaL_openlibs(engine->L);
    engine->initialized = 1;
    return 0;
}

int lua_engine_do_file(LuaEngine* engine, const char* path) {
    if (!engine->L) return -1;
    return luaL_dofile(engine->L, path);
}

int lua_engine_do_string(LuaEngine* engine, const char* code) {
    if (!engine->L) return -1;
    return luaL_dostring(engine->L, code);
}

void lua_engine_register_function(LuaEngine* engine, const char* name, void* func) {
    (void)engine;
    (void)name;
    (void)func;
    // lua_pushcfunction(engine->L, func);
    // lua_setglobal(engine->L, name);
}

lua_State* lua_engine_get_state(LuaEngine* engine) {
    return engine->L;
}