#pragma once

#include <string>
#include <memory>
#include <functional>
#include <thread>
#include <atomic>
#include <condition_variable>
#include <queue>
#include <mutex>
#include "SCF.h"
#include "ResDataObject.h"

class SCFWrapper {
public:
    // 回调函数类型定义
    using PacketParserCallback = std::function<PACKET_RET(const char*, uint32_t, uint32_t&)>;
    using DataReceivedCallback = std::function<void(const char*, uint32_t)>;
    using ReadDataCallback = std::function<int(char*, uint32_t, uint32_t)>;
    
    SCFWrapper();

    SCFWrapper(const SCFWrapper& other);
    SCFWrapper& operator=(const SCFWrapper& other);

    ~SCFWrapper();
    
    // 初始化SCF库
    bool Initialize(const std::string& dllName);
    
    // 连接设备
    int Connect(const ResDataObject& connectionParams, 
                PacketParserCallback callback = nullptr,
                SCF_TRANSFERTYPE transferType = SCF_NORMAL_TRANSFER,
                unsigned int timeout = 3000);
    
    // 断开连接
    void Disconnect();
    
    // 检查连接状态
    bool IsConnected();
    
    // 获取连接类型
    std::string GetConnectionType();
    
    // 锁定SCF资源
    int Lock(unsigned int timeout);
    
    // 解锁SCF资源
    void Unlock();
    
    // 发送数据
    int SendPacket(const char* data, unsigned int length, 
                  unsigned int timeout, unsigned int& retLength);
    
    // 发送SCF数据包
    int SendPacket(SCFPacket* packet, unsigned int timeout);
    
    // 接收数据
    int ReceivePacket(char* buffer, unsigned int length, 
                     unsigned int timeout, unsigned int& retLength);
    
    // 接收SCF数据包
    int ReceivePacket(SCFPacket* packet, unsigned int timeout);
    
    // 设置数据接收回调（异步方式）
    void SetDataReceivedCallback(DataReceivedCallback callback);

    // 启动自动数据接收
    bool StartAutoReceive();

    // 停止自动数据接收
    void StopAutoReceive();

    // 获取错误信息
    std::string GetLastError() const;

private:
    // 加载SCF库
    bool LoadSCFLibrary(const std::string& dllName);
    
    // 卸载SCF库
    void UnloadSCFLibrary();

    // 自动数据接收线程函数
    void AutoReceiveThread();

    // 读取数据实现方法
    int ReadDataImpl(char* pPacket, uint32_t length, uint32_t timeout);

    // 复制内部状态
    void CopyFrom(const SCFWrapper& other);

    // 内部SCF实例
    std::shared_ptr<SCF> m_scfInstance;
    
    // 库句柄
    void* m_libraryHandle;
    
    // 错误信息
    mutable std::string m_lastError;
    
    // 连接状态
    std::atomic<bool> m_connected;

    // 库类型
    std::string m_libraryType;

    // 自动接收相关成员
    std::atomic<bool> m_autoReceiveRunning;
    std::thread m_autoReceiveThread;
    DataReceivedCallback m_dataReceivedCallback;

    // 线程安全保护
    mutable std::mutex m_instanceMutex;
    mutable std::mutex m_callbackMutex;

    // 连接参数
    ResDataObject m_connectionParams;

    // 包解析回调
    PacketParserCallback m_packetParserCallback;

    // 传输类型
    SCF_TRANSFERTYPE m_transferType;

    // 通信超时
    unsigned int m_communicateTimeout;

};