#ifndef DRONESCREWCTRL_MAINWINDOW_H
#define DRONESCREWCTRL_MAINWINDOW_H

#include <QMainWindow>
#include <QImage>
#include <QLabel>
#include <QGraphicsScene>
#include <QGraphicsPixmapItem>
#include <QSize>
#include <QStringListModel>
#include <QVBoxLayout>
#include "IYDroneScrewCtrlStatus.h"
#include "DeviceStatusWidget.h"
#include "DetectLogHelper.h"
#include "AboutDialog.h"
#include "WDRemoteDataTypes.h"

namespace Ui { class MainWindow; }

class DroneScrewCtrlPresenter;

class MainWindow : public QMainWindow, public IYDroneScrewCtrlStatus
{
    Q_OBJECT

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

    // IYDroneScrewCtrlStatus
    void OnRtspFrame(const QImage& frame) override;
    void OnDetectionResult(const CtrlDetectionFrame& result) override;
    void OnWorkStatusChanged(CtrlWorkStatus status) override;
    void OnServerConnectionChanged(bool connected) override;
    void OnStatusMessage(const QString& msg) override;

private slots:
    // 顶部工具栏：两个按钮的状态机
    //   btn_start        —— 主开关：空闲(start_image) ⟷ 运行(stop_all)
    //   btn_detect_start —— 开始检测(start_detect)，仅实时显示状态下可用
    void on_btn_start_clicked();              // 开始实时显示 / 停止（按当前状态切换）
    void on_btn_detect_start_clicked();       // 开始检测（从实时显示切到检测）
    void on_btn_close_clicked();
    void on_btn_hide_clicked();
    void on_btn_camera_clicked();           // 连接配置
    void on_btn_algo_config_clicked();      // 算法参数
    void on_btn_test_clicked();             // 单次检测
    void onServerInfoReceived(const WDRemoteServerInfo& info);  // 服务器参数接收

protected:
    void resizeEvent(QResizeEvent* event) override;
    bool eventFilter(QObject* obj, QEvent* event) override;

private:
    void initUi();
    void renderDisplay();
    void appendLog(const QString& msg);
    void clampResultList();
    void clearResultList();

    // 顶部按钮状态机
    enum class UiState { Idle, Live, Detect };
    enum class ResultDisplayMode { Distance, Precision };
    void applyUiState(UiState s);
    UiState                         m_uiState{UiState::Idle};
    ResultDisplayMode               m_resultDisplayMode{ResultDisplayMode::Distance};

    // 页面布局
    void adjustLayoutForCameraCount(int cameraCount);
    void setupSingleCameraLayout();
    void setupMultiCameraLayout();
    int getAvailableHeight();

private:
    Ui::MainWindow*                 ui{nullptr};
    DroneScrewCtrlPresenter*        m_pPresenter{nullptr};

    // 显示画面（QGraphicsView + Scene + PixmapItem）
    QGraphicsScene*                 m_pScene{nullptr};
    QGraphicsPixmapItem*            m_pPixmapItem{nullptr};
    QImage                          m_currentImage;
    QSize                           m_lastRenderImageSize;
    QSize                           m_lastRenderViewSize;

    // 公用组件
    DeviceStatusWidget*             m_deviceStatusWidget{nullptr};
    DetectLogHelper*                m_logHelper{nullptr};
    QLabel*                         m_versionLabel{nullptr};

    int                             m_maxResultItems{200};
    WDRemoteServerInfo              m_cachedServerInfo;  // 从 Server 读取的参数缓存
};

#endif // DRONESCREWCTRL_MAINWINDOW_H