#ifndef IMAGEEXPORTDIALOG_H
#define IMAGEEXPORTDIALOG_H

#include "exportdialog.h"
#include <QImage>

class QSlider;
class QSpinBox;
class QStackedWidget;

/**
 * @brief Export dialog for images with preview and format-specific options.
 *
 * Shows a thumbnail preview of the image and provides quality/compression
 * settings for different output formats (PNG, JPEG, TGA, BMP, TIFF).
 */
class ImageExportDialog : public ExportDialog
{
    Q_OBJECT

public:
    explicit ImageExportDialog(QWidget *parent = nullptr);

    // Set image directly (already decoded)
    void setImage(const QImage& image, const QString& suggestedName);

    // Get configured image for export
    QImage exportImage() const { return mImage; }

    // Format-specific options
    int jpegQuality() const;
    int pngCompression() const;

protected:
    void setupPreview() override;
    void updatePreview() override;
    QStringList supportedFormats() const override;
    void onFormatChanged(const QString& format) override;

private slots:
    void onJpegQualityChanged(int value);
    void onPngCompressionChanged(int value);

private:
    void updateFileSizeEstimate();
    void showOptionsForFormat(const QString& format);

    QImage mImage;
    QLabel* mPreviewLabel;

    // Format-specific option widgets
    QStackedWidget* mOptionsStack;

    // JPEG options
    QWidget* mJpegOptionsWidget;
    QSlider* mJpegQualitySlider;
    QSpinBox* mJpegQualitySpinBox;

    // PNG options
    QWidget* mPngOptionsWidget;
    QSlider* mPngCompressionSlider;
    QSpinBox* mPngCompressionSpinBox;

    // No options widget (for TGA, BMP, TIFF)
    QWidget* mNoOptionsWidget;
};

#endif // IMAGEEXPORTDIALOG_H