#pragma once

// ============================================================================
// engine.h - 引擎核心
// ============================================================================

#include <stdint.h>

// 前向声明
typedef struct Window Window;

// 引擎配置
typedef struct {
    const char* app_name;
    int window_width;
    int window_height;
    int fullscreen;
    int vsync;
} EngineConfig;

// 引擎状态
typedef struct {
    int running;
    int initialized;
    EngineConfig config;
    Window* window;
    void* renderer;
    double delta_time;
    double total_time;
    int fps;
    uint64_t frame_count;
} Engine;

// 初始化默认配置
static inline EngineConfig engine_default_config(void) {
    EngineConfig config;
    config.app_name = "MiMo Engine ASM";
    config.window_width = 1280;
    config.window_height = 720;
    config.fullscreen = 0;
    config.vsync = 1;
    return config;
}

// 引擎函数
Engine* engine_create(void);
void engine_destroy(Engine* engine);
int  engine_init(Engine* engine, const EngineConfig* config);
void engine_run(Engine* engine);
void engine_shutdown(Engine* engine);
void engine_request_quit(Engine* engine);

// 回调
typedef void (*EngineUpdateCallback)(Engine* engine, double delta_time);
typedef void (*EngineRenderCallback)(Engine* engine);
typedef void (*EngineKeyCallback)(Engine* engine, int key);
typedef void (*EngineResizeCallback)(Engine* engine, int width, int height);

void engine_set_update_callback(Engine* engine, EngineUpdateCallback callback);
void engine_set_render_callback(Engine* engine, EngineRenderCallback callback);
void engine_set_key_callback(Engine* engine, EngineKeyCallback callback);
void engine_set_resize_callback(Engine* engine, EngineResizeCallback callback);