#ifndef BATCHEXPORTDIALOG_H
#define BATCHEXPORTDIALOG_H

#include <QDialog>
#include <QList>

class QTreeWidget;
class QTreeWidgetItem;
class QProgressBar;
class QLabel;
class QLineEdit;
class QPushButton;
class QCheckBox;
class QComboBox;
class QDialogButtonBox;

/**
 * @brief Item data for batch export operations.
 */
struct BatchExportItem
{
    QString name;           // Display name
    QString path;           // Relative path (for folder structure)
    QByteArray data;        // Raw data to export
    int contentType;        // ContentType enum value
    bool selected;          // Whether to export
};

/**
 * @brief Dialog for batch exporting multiple items.
 *
 * Shows a checkable tree of items with progress tracking,
 * folder structure preservation, and conflict resolution options.
 */
class BatchExportDialog : public QDialog
{
    Q_OBJECT

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

    // Set items to potentially export
    void setItems(const QList<BatchExportItem>& items);

    // Get export configuration
    QString outputDirectory() const;
    bool preserveStructure() const;
    QString conflictResolution() const;  // "number", "overwrite", "skip"
    QString imageFormat() const;
    QString audioFormat() const;

    // Get selected items
    QList<BatchExportItem> selectedItems() const;

signals:
    void exportProgress(int current, int total, const QString& currentItem);
    void exportCompleted(int succeeded, int failed, int skipped);

public slots:
    void updateProgress(int current, int total, const QString& currentItem);
    void onExportCompleted(int succeeded, int failed, int skipped);

private slots:
    void onSelectAll();
    void onSelectNone();
    void onSelectImages();
    void onSelectAudio();
    void onBrowseClicked();
    void onExportClicked();
    void onItemChanged(QTreeWidgetItem* item, int column);

private:
    void setupUI();
    void updateSelectionCount();
    void populateTree();
    int countByType(int contentType) const;

    // Data
    QList<BatchExportItem> mItems;
    bool mExporting;
    bool mCancelled;

    // UI Elements
    QTreeWidget* mItemTree;
    QLabel* mSelectionLabel;
    QLineEdit* mOutputPath;
    QPushButton* mBrowseButton;
    QCheckBox* mPreserveStructure;
    QComboBox* mConflictCombo;
    QComboBox* mImageFormatCombo;
    QComboBox* mAudioFormatCombo;
    QProgressBar* mProgressBar;
    QLabel* mProgressLabel;
    QDialogButtonBox* mButtonBox;
    QPushButton* mExportButton;
    QPushButton* mCancelButton;
};

#endif // BATCHEXPORTDIALOG_H