#ifndef VRVIRTUALCAMERAWIDGET_H
#define VRVIRTUALCAMERAWIDGET_H

#include <QWidget>
#include <QLabel>
#include <QPushButton>
#include <QTextEdit>
#include <QSpinBox>
#include <QLineEdit>
#include <QTimer>

class VrCameraSimulator;

/// Main window for the virtual camera application.
class VrVirtualCameraWidget : public QWidget
{
    Q_OBJECT

public:
    explicit VrVirtualCameraWidget(QWidget* parent = nullptr);
    ~VrVirtualCameraWidget() override;

private slots:
    void OnStartStop();
    void OnFrameRateChanged(int fps);
    void OnWidthChanged(int w);
    void OnHeightChanged(int h);
    void OnBrowseImageDir();
    void OnBrowseLaserDir();

    void OnSimulatorImage(const QImage& left, const QImage& right);
    void OnSimulatorLog(const QString& msg, bool isWarning);
    void OnSimulatorStatus(const QString& status);
    void OnSimulatorClientConnected(const QString& ip);
    void OnSimulatorClientDisconnected();
    void OnImageDirectoryChanged(int count);
    void OnLaserDirectoryChanged(int fileCount, int totalLines);

private:
    void InitUI();
    void ApplyConfig();
    void AppendLog(const QString& msg, bool isWarning = false);

    VrCameraSimulator* m_simulator = nullptr;

    // UI elements
    QLabel*      m_statusLabel      = nullptr;
    QLabel*      m_clientLabel      = nullptr;
    QLabel*      m_leftImageLabel   = nullptr;
    QLabel*      m_rightImageLabel  = nullptr;
    QPushButton* m_startStopBtn     = nullptr;
    QSpinBox*    m_fpsSpinBox       = nullptr;
    QSpinBox*    m_widthSpinBox     = nullptr;
    QSpinBox*    m_heightSpinBox    = nullptr;
    QLineEdit*   m_ipLineEdit       = nullptr;
    QLineEdit*   m_imageDirEdit     = nullptr;
    QLineEdit*   m_laserDirEdit     = nullptr;
    QLabel*      m_imageCountLabel  = nullptr;
    QLabel*      m_laserCountLabel  = nullptr;
    QTextEdit*   m_logEdit          = nullptr;

    bool m_running = false;
};

#endif // VRVIRTUALCAMERAWIDGET_H