#ifndef MVSDEVICE_IMPL_H
#define MVSDEVICE_IMPL_H

#include "IMvsDevice.h"
#include <mutex>
#include <atomic>
#include <vector>

// 海康 MVS SDK 头文件（Windows / Linux 同名）
#include "MvCameraControl.h"

/**
 * @brief CMvsDevice
 *
 * IMvsDevice 实现类，对接海康 MVS C API。
 */
class CMvsDevice : public IMvsDevice
{
public:
    CMvsDevice();
    ~CMvsDevice() override;

    // SDK
    int InitSDK() override;
    int UninitSDK() override;
    int GetSDKVersion(std::string& version) override;

    // 枚举
    int EnumerateDevices(std::vector<MvsDeviceInfo>& deviceList,
                         unsigned int tLayerType = 0) override;

    // 打开/关闭
    int OpenDevice(const std::string& serialNumber) override;
    int OpenDeviceByIndex(unsigned int index) override;
    int CloseDevice() override;
    bool IsDeviceOpen() override;
    int GetDeviceInfo(MvsDeviceInfo& info) override;

    // 触发/采集
    int SetTriggerMode(bool enable) override;
    int SendSoftTrigger() override;
    int StartAcquisition() override;
    int StopAcquisition() override;
    bool IsAcquisitioning() override;

    // 取流
    int CaptureImage(MvsImageData& image, unsigned int timeoutMs = 5000) override;
    int RegisterImageCallback(MvsImageCallback callback) override;
    int UnregisterImageCallback() override;

    // 图像参数
    int GetWidth(unsigned int& width) override;
    int GetHeight(unsigned int& height) override;
    int SetROI(const MvsROI& roi) override;
    int GetROI(MvsROI& roi) override;

    // 相机参数
    int SetExposureTime(double exposureTime) override;
    int GetExposureTime(double& exposureTime) override;
    int SetGain(double gain) override;
    int GetGain(double& gain) override;
    int SetFrameRate(double frameRate) override;
    int GetFrameRate(double& frameRate) override;

    // 通用特性访问
    int SetIntFeature(const std::string& featureName, int64_t value) override;
    int GetIntFeature(const std::string& featureName, int64_t& value) override;
    int SetFloatFeature(const std::string& featureName, double value) override;
    int GetFloatFeature(const std::string& featureName, double& value) override;
    int SetEnumFeature(const std::string& featureName, int64_t value) override;
    int GetEnumFeature(const std::string& featureName, int64_t& value) override;
    int SetBoolFeature(const std::string& featureName, bool value) override;
    int GetBoolFeature(const std::string& featureName, bool& value) override;
    int SetStringFeature(const std::string& featureName, const std::string& value) override;
    int GetStringFeature(const std::string& featureName, std::string& value) override;
    int ExecuteCommand(const std::string& featureName) override;

private:
    // MVS 取流回调（C 风格静态函数）
    static void __stdcall OnFrameCallback(unsigned char* pData,
                                          MV_FRAME_OUT_INFO_EX* pFrameInfo,
                                          void* pUser);

    // 内部：把枚举到的 MV_CC_DEVICE_INFO 转成统一的 MvsDeviceInfo
    static void FillDeviceInfo(const MV_CC_DEVICE_INFO& src, MvsDeviceInfo& dst);

private:
    void*               m_handle{nullptr};      // 设备句柄 (MV_CC_CreateHandle 产生)
    bool                m_bSDKInitialized{false};
    bool                m_bDeviceOpen{false};
    std::atomic<bool>   m_bAcquisitioning{false};

    // 设备信息缓存
    std::vector<MV_CC_DEVICE_INFO> m_devInfoCache;  // 枚举结果备份
    MvsDeviceInfo                  m_currentDeviceInfo;
    bool                           m_currentDeviceIsUsb{false};

    // 回调
    MvsImageCallback    m_imageCallback;
    std::mutex          m_callbackMutex;
    std::mutex          m_deviceMutex;
};

#endif // MVSDEVICE_IMPL_H