#pragma once

// STUB-HEADER: Diese Datei wird normalerweise von ddsdtc generiert
// Für die Migration erstellen wir minimale Implementierungen

#include <functional>
#include <QObject>
#include "flm_db.h"

namespace FileManagement
{
namespace Interface
{

// DataModification Enum (aus DDS generiert)
enum class DataModification
{
  eAdded,
  eModified,
  eRemoved
};

// Callback types
using FolderCallback = std::function<void(const std::vector<Folder>&, const std::vector<int32_t>&, DataModification)>;
using FileContentCallback = std::function<void(const std::vector<FileContent>&, const std::vector<int32_t>&, DataModification)>;

// Dtc - Data Transfer Component interface for FileManagement
class Dtc : public QObject
{
  Q_OBJECT
  
public:
  virtual ~Dtc() = default;
  
  // Initialization methods
  virtual void enableFolder() {}
  virtual void waitForHistoricalDataFolder() {}
  virtual void enableFileContent() {}
  virtual void waitForHistoricalDataFileContent() {}
  
  // Folder operations
  virtual void folders(FolderCallback callback) const
  {
    // STUB-Implementierung - keine Ordner vorhanden
    std::vector<Folder> emptyFolders;
    std::vector<int32_t> emptyIds;
    callback(emptyFolders, emptyIds, DataModification::eModified);
  }
  
  virtual std::shared_ptr<Folder> folder(int32_t /*folderId*/) const
  {
    return nullptr;
  }
  
  // FileContent operations
  virtual void fileContents(FileContentCallback callback) const
  {
    // STUB-Implementierung
    std::vector<FileContent> emptyContents;
    std::vector<int32_t> emptyIds;
    callback(emptyContents, emptyIds, DataModification::eModified);
  }
  
  virtual std::shared_ptr<FileContent> fileContent(int32_t /*fileContentId*/) const
  {
    return nullptr;
  }
  
signals:
  void folderChanged(const FileManagement::Folder &folder, DataModification modification);
  void fileContentChanged(const FileManagement::FileContent &fileContent, DataModification modification);
};

class Ftc;
} // namespace Interface
} // namespace FileManagement