/**
  * @RDE_HEADER@
  * Advanced file copy manager with progress dialog
  * $Id: tpm_exported_scripts_dialog.cpp 53111 2021-03-22 08:21:29Z wille_m $
  * $HeadURL: svn://slssvn/TDS/branches/product/iterations/21_03_salted_caramel/Lts/Plugins/TakeHomePackageManager/tpm_exported_scripts_dialog.cpp $
  * $Author: wille_m $
  *
  * Created by Mike Wille, SLTE, 2024-02-09
  */
#pragma once

#include <Common2/thp2common_export.h>

#include <LtsWidgets/lts_dialog.h>

#include <QFileInfoList>
#include <QWidget>


namespace TakeHomePackageManager
{
class ProcessOverlay;


struct THP2COMMON_EXPORT CopyInfo // :'( we need this to cut the srcPath from the file path, to have the same folder structure in the destionation folder
{
  QString srcPath;
  QString dstPath;
  QFileInfo fileInfo;
};
using CopyInfoList = QList<CopyInfo>;


THP2COMMON_EXPORT CopyInfoList getFilesFromFolder(const QString &srcPath, const QString &dstPath, const QStringList &excludes = {}) noexcept(false);
THP2COMMON_EXPORT void copyFiles(const CopyInfoList &fileList, LtsWidgets::LtsDialog *dialog) noexcept(false);


// TODO: mv to LtsCommon
class AsyncFileCopy : public QObject
{
  Q_OBJECT

public:
  static const int s_chunkSize = 1 * 1024 * 1024; // 1MB

  static AsyncFileCopy *createAsyncFileCopy(const CopyInfoList &fileList) // to prevent the user from thinking having to delete the class (which it does itself)
  {
    return new AsyncFileCopy(fileList);
  }

  ~AsyncFileCopy() = default;

private:
  AsyncFileCopy(const CopyInfoList &fileList);

private:
  bool copy(const CopyInfoList &fileList);
  bool m_wasCanceled { false };

public slots:
  void slotCancel()
  {
    m_wasCanceled = true;
  }

signals:
  void newAction(const QString &newAction);
  void status(const QString &status);
  void started(int fileCount, qint64 bytesTotalAll);
  void newFile(int currentFile, qint64 bytesTotalFile, const QString &filename);
  void progress(qint64 bytesCopiedFile, qint64 bytesCopiedAll);
  void finished(bool success);
};



class THP2COMMON_EXPORT CopyProcess : public QObject
{
  Q_OBJECT

public:
  CopyProcess(const CopyInfoList &fileList, QObject *parent = nullptr);
  ~CopyProcess();

  QWidget *process();

signals:
  void signalCancel();
  void finished(bool success);

private:
  ProcessOverlay *m_process;
  bool m_wasCanceled { false };
  QString m_currentAction;

};
} // namespace TakeHomePackageManager