#pragma once

#include <QObject>
#include <QProcess>
#include <atomic>
#include <thread>
#include <opencv2/opencv.hpp>

class CameraStreamer : public QObject
{
    Q_OBJECT
public:
    explicit CameraStreamer(QObject *parent = nullptr);
    ~CameraStreamer();

    // remoteUser@remoteHost 远程 ssh 登录信息；remoteCommand 为远端启动摄像头流的命令
    // localPort 本机接收 UDP 端口（SDK 默认 9201）
    bool startStreaming(const QString &remoteUser,
                        const QString &remoteHost,
                        const QString &remoteCommand = "cd ~/UnitreecameraSDK && ./bins/example_putImagetrans",
                        int localPort = 9201);

    void stopStreaming();

signals:
    // 每当收到一帧图像时发射，供 Qt 前端显示
    void newFrame(const QImage &image);

private:
    void captureLoop(int localPort);

    QProcess *m_sshProcess {nullptr};
    std::thread m_captureThread;
    std::atomic<bool> m_running {false};
};