/**
**
** @RDE_HEADER@
** plan_overlay_model.h
** $Id$
** $HeadURL$
** $Author$
**
** -----------------------------------------------------------------------------------------------
**
** Hardware-Environment: Intel-PC
** Software-Environment: Windows 7, Qt 5.7. ArcGIS 100
**
** Language ........: C++ 11
**
** -----------------------------------------------------------------------------------------------
**
** Author ...........: Jörg Turla, SPD G, Tel. 3132
**
** -----------------------------------------------------------------------------------------------
**
** Notes .........:
**
**   10.07.2017, JT  : First edition for use with Qt5
**
** -----------------------------------------------------------------------------------------------
*/

#pragma once

#include <Plugins/SituationMapPlugin/situation_map_gui_plugin_interface.h>
#include <NGLLogger/INGLLogger.h>

#include <QAbstractItemModel>
#include <QJsonObject>


namespace PlanOverlaysPlugin
{

class PlanOverlayModel final : public QAbstractItemModel
{
  Q_OBJECT

public:

  enum class ColumnSection
  {
    OrderButtons = 0,
    PlanName,
    MinScale,
    MaxScale,
    Opacity,
    CustomSection,
    ExerciseId,
    PhaseId
  };

  PlanOverlayModel();
  ~PlanOverlayModel();

  /**
  @name Overloaded function from AbstractItemModel
  @{
  */
  int columnCount(const QModelIndex &) const override;
  int rowCount(const QModelIndex &)    const override;
  int size()                           const;

  bool isEmpty() const;

  QVariant headerData(int section, Qt::Orientation orientation, int role = Qt::ItemDataRole::DisplayRole) const override;

  QVariant data(const QModelIndex &index, int role = Qt::ItemDataRole::DisplayRole) const override;

  QModelIndex   index(int row, int column, const QModelIndex &) const override { return createIndex(row, column);                                      }
  QModelIndex   parent(const QModelIndex &)                     const override { return QModelIndex();                                                 }
  Qt::ItemFlags flags(const QModelIndex &modelIndex)            const override;
  QModelIndex   index(int row, int column)                      const          { return index(row, column, QModelIndex());                             }

  QStringList mimeTypes() const override;

  QMimeData *mimeData(const QModelIndexList &indexes) const override;

  Qt::DropActions  supportedDragActions() const override { return Qt::CopyAction | Qt::MoveAction; }
  Qt::DropActions  supportedDropActions() const override { return Qt::CopyAction | Qt::MoveAction; }

  bool canDropMimeData(const QMimeData *data, Qt::DropAction action, int row, int column, const QModelIndex &) const override;

  bool dropMimeData(const QMimeData *data, Qt::DropAction action, int row, int column, const QModelIndex &) override;
  /**
  @}
  */

  struct PlanItem
  {
    int            m_keyId = -1;
    int            m_folderId = -1;
    int            m_fileId = -1;
    int            m_exerciseId = -1;
    int            m_phaseId = -1;
    QString        m_dirPath;
    QString        m_fileName;
    double         m_minScale = 0.0;
    double         m_maxScale = 0.0;
    double         m_opacity = 0.0;
    bool           m_visibility = true;

    bool isValid() const { return m_keyId > 0; }
    QJsonObject toJson() const
    {
      QJsonObject obj;

      obj[QStringLiteral("keyId")] = m_keyId;
      obj[QStringLiteral("folderId")] = m_folderId;
      obj[QStringLiteral("fileId")] = m_fileId;
      obj[QStringLiteral("fileName")] = m_fileName;

      obj[QStringLiteral("exerciseId")] = m_exerciseId;
      obj[QStringLiteral("phaseId")] = m_phaseId;

      obj[QStringLiteral("opacity")] = m_opacity;
      obj[QStringLiteral("maxScale")] = m_maxScale;
      obj[QStringLiteral("minScale")] = m_minScale;
      obj[QStringLiteral("visibility")] = m_visibility;

      return obj;
    }

    static PlanItem fromJson(const QJsonObject &obj)
    {
      PlanItem pi;

      pi.m_keyId = obj[QStringLiteral("keyId")].toInt();
      pi.m_folderId = obj[QStringLiteral("folderId")].toInt();
      pi.m_fileId = obj[QStringLiteral("fileId")].toInt();
      pi.m_fileName = obj[QStringLiteral("fileName")].toInt();

      pi.m_exerciseId = obj[QStringLiteral("exerciseId")].toInt();
      pi.m_phaseId = obj[QStringLiteral("phaseId")].toInt();

      pi.m_opacity = obj[QStringLiteral("opacity")].toDouble();
      pi.m_maxScale = obj[QStringLiteral("maxScale")].toDouble();
      pi.m_minScale = obj[QStringLiteral("minScale")].toDouble();
      pi.m_visibility = obj[QStringLiteral("visibility")].toBool();

      return pi;
    }

  }; // PlanItem

  QMap<unsigned int, PlanItem> planStore() const;

  PlanItem planItem(int keyId);

  PlanItem planItemValue(int keyId);

  PlanItem planItemAtRow(int row);

  PlanItem findPlanItemByFileId(int fileId);

  int getRowOfId(int keyId) const;

  void updatePlanItem(const PlanItem &planItem);

  void renewPlanItem(const PlanItem &planItem);

  void setMinScale(int row, double scale);
  void setMaxScale(int row, double scale);
  void setOpacity(int row, double opacity);

  void swapRow(int row1, int row2);

  void removeOverlay(int keyId);

  void setFileDialogMimeType(const QString &mimeType);

  void updateOverlay(int keyId);

  bool reInitModel(int exerciseId, int phaseId);

  void updateOrderOfPlans() const;

  QJsonArray toJson() const;

signals:

  void requestLoadPlan(int keyId);
  void requestReloadPlan(int keyId);
  void requestUpdatePlan(int keyId);
  void requestRemovePlan(int keyId);

  void requestReloadPlanByName(const PlanOverlaysPlugin::PlanOverlayModel::PlanItem &planItem, int exerciseId, int phaseId, bool *removeFromModel);

  void planMinScaleChanged(int keyId, double minScale);
  void planMaxScaleChanged(int keyId, double maxScale);
  void planOpacityChanged(int keyId, double opacity);

  void planOrderChanged(const QVector<int> &newIdOrder);

  void dropPlanAccepted();

private:

  PlanItem &planItemRef(int keyId);

  class InternalData;

  InternalData    *m_internal;

  NGL::INGLLogger &m_logger;

}; // PlanOverlayModel

} // namespace PlanOverlaysPlugin