/**
  * @RDE_HEADER@
  * HMI Plugin for Observer Controller - Base Downloader Dialog
  * $Id$
  * $HeadURL$
  * $Author$
  * Created by Patric Karwat, SLSE, 2018-03-17
  */

#pragma once


#include "obd_base_downloader_message.h"

#include <LtsWidgets/lts_dialog.h>
#include <LtsSession/lts_session.h>
#include <LtsUtilsGuiDds/request_helper.h>

#include <OcBaseDownload/logger.h>
#include <Plugins/OcBaseDownload/obd_data_plugin_interface.h>

#include "obd_ex_model.h"

#include <ExerciseManagement/exm_data_plugin_interface.h>
#include <AssetManagement/asm_data_plugin_interface.h>
#include <FileManagement/flm_data_plugin_interface.h>
#include <QtNetwork/QAbstractSocket>


class QWebSocket;

namespace Ui
{
class BaseDownloader;
}
namespace OcBaseDownload
{

enum class ConnectionState
{
  Start = 0,
  ConnectedToExternalServer,
  ConnectedToExerciseManagement,
  Finished
};

class BaseDownloader : public LtsWidgets::LtsDialog
  , protected OcBaseDownload::Interface::Ftc::StartBaseDownloadReplyHandler
  , protected OcBaseDownload::Interface::Ftc::StartPdfDownloadReplyHandler
    , protected OcBaseDownload::Interface::Ftc::OcPdfDownloadReplyHandler
{
  Q_OBJECT

public:
  explicit BaseDownloader(const QString &menuGroup, LtsSession::LtsSession *session, QWidget *parent = nullptr);
  ~BaseDownloader();
  bool init();

  //ftc
  void onStartBaseDownloadReply(const BaseDownloadReply &replyObject)  override final;
  void onStartPdfDownloadReply(const PdfDownloadReply &reply) override final;
  void onOcPdfDownloadReply(const Core::FunctionReplyObject &replyObject) override final { m_requestHelper->requestReply(replyObject);}

private Q_SLOTS:
  void startBaseDownload();
  void selectionChanged();
  void downloadExercises();
  void onNewSocketState(QAbstractSocket::SocketState state);
  void onNewTextMessageFromSocket(const QString &message);
  void onTimerTimeout();
  void onFtcTimerTimeout();
  void onPdfDownloadClicked();
  void onOcPdfDownloadClicked();

private:
  void retranslate() override;
  void doConnectToExerciseManagement(const QString &message);
  QUrl getUrl(const QString &adress, unsigned short port) const;
  void sendProcessListRequest();
  void sendExerciseListRequest();
  void fillExerciseModel(const QString &exerciseList);


private:
  QString  m_menuGroup;
  QString  m_errorMsg;
  ExModel *m_model;
  ExProxyModel *m_proxyModel;

  LtsSession::LtsSession *m_session;
  BaseDownloaderMessage *m_messageDlg;
  ConnectionState m_state;

  QWebSocket *m_socket;
  QTimer *m_timer;
  QTimer *m_ftcTimer;

  std::shared_ptr<OcBaseDownload::Interface::Ftc>  m_ftc;
  std::shared_ptr<ExerciseManagement::Interface::Dtc>  m_exmDtc;
  std::shared_ptr<AssetManagement::Interface::Dtc>  m_asmDtc;
  LtsUtils::RequestHelper *m_requestHelper{nullptr};

  int m_exerciseId = 0;
  Ui::BaseDownloader *m_ui;

  LOGGER_T m_logger;
};

} // namespace OcBaseDownload