/****************************************************************************
** Copyright (c) 2025 Evgeny Teterin (nayk) <nayk@nxt.ru>
** All right reserved.
**
** Permission is hereby granted, free of charge, to any person obtaining
** a copy of this software and associated documentation files (the
** "Software"), to deal in the Software without restriction, including
** without limitation the rights to use, copy, modify, merge, publish,
** distribute, sublicense, and/or sell copies of the Software, and to
** permit persons to whom the Software is furnished to do so, subject to
** the following conditions:
**
** The above copyright notice and this permission notice shall be
** included in all copies or substantial portions of the Software.
**
** THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
** EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
** MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
** NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
** LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
** OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
** WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
**
****************************************************************************/
#pragma once
#ifndef MAINWINDOW_H
#define MAINWINDOW_H

#include <QtWidgets/QMainWindow>
#include <QtCore/QString>
#include <QtCore/QList>
#include <QtGui/QImage>
#include <QtWidgets/QWidget>

#include <opencv2/core/mat.hpp>

//==============================================================================
QT_BEGIN_NAMESPACE
namespace Ui {
class MainWindow;
}

class QLabel;
class QResizeEvent;

QT_END_NAMESPACE

//==============================================================================
// Форма для показа изображения в отдельном окне
//==============================================================================
class ImageViewer : public QWidget {
    Q_OBJECT

public:
    ImageViewer(const QImage &image, QWidget *parent = nullptr);

protected:
    void resizeEvent(QResizeEvent *event) override;

private:
    QLabel *label;
    QImage labelImage;
    //
    void updateImage();

private slots:
    void save();
};

//==============================================================================
// Главное окно
//==============================================================================
class MainWindow : public QMainWindow
{
    Q_OBJECT

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

protected:
    void resizeEvent(QResizeEvent *event) override;

private:
    const int maximumImagesCount {15};

    Ui::MainWindow *ui;
    bool actionsEnabled {false};
    QList<QImage> imgList;
    //
    void initialize();
    cv::Mat prepareImage(const QString &operationName);
    void finallyImage(const cv::Mat &output);

private slots:
    void updateControls();
    void updateLabelImage();
    //
    void onActionOpen();
    void onActionSaveAs();
    void onActionShowImage();
    void onActionUndo();
    void onActionReset();
    //
    void btnGain();
    void btnBrightnessAndContrast();
    void btnHistogramEqual();
    void btnLaplacian();
    void btnUnsharpMask();
    void btnMedian();
    void btnFastNlMeans();
    void btnAutoExposure();
    void btnWhiteBalance();
    void btnSaturation();
    void btnVinete();
    void btnClahe();
};

#endif // MAINWINDOW_H
//==============================================================================