#ifndef FIELDEDITCOMMAND_H
#define FIELDEDITCOMMAND_H

#include <QUndoCommand>
#include <QVariant>
#include <QString>
#include <functional>

/**
 * @brief QUndoCommand for field value edits in ScriptTypeEditorWidget
 *
 * Stores old and new values for a field, allowing undo/redo of edits.
 * Uses callbacks to apply values since the actual application logic
 * is in the editor widget.
 */
class FieldEditCommand : public QUndoCommand
{
public:
    using ApplyCallback = std::function<void(const QString& fieldName, const QVariant& value)>;

    FieldEditCommand(int journalId,
                     const QString& fieldName,
                     const QVariant& oldValue,
                     const QVariant& newValue,
                     ApplyCallback applyCallback,
                     QUndoCommand* parent = nullptr);

    void undo() override;
    void redo() override;
    int id() const override;
    bool mergeWith(const QUndoCommand* other) override;

    QString fieldName() const { return m_fieldName; }
    int journalId() const { return m_journalId; }

private:
    int m_journalId;
    QString m_fieldName;
    QVariant m_oldValue;
    QVariant m_newValue;
    ApplyCallback m_applyCallback;
    bool m_firstRedo = true;  // Skip first redo since value is already applied
};

#endif // FIELDEDITCOMMAND_H