/**
  * @RDE_HEADER@
  * Interface of PixelBasedTextBoxHandler
  * $Id$
  * $HeadURL$
  * $Author$
  */

#pragma once

// Own
#include "situation_map_types.h"
#include <GeometryModel/geometry_pixelTextBox.h>
#include <situation_map_export.h>


// Qt
#include <QObject>
#include <QString>
#include <QPointF>

class QTextEdit;



//----------------------------------------------------------------------------
namespace SituationMap
{

static const char *const PBTB_ID_PROPERTY_NAME = "PBTB_ID_PROPERTY";

//
// PBTB_ID - PixelBasedTextBox_Identifier
//
class SITUATIONMAP_EXPORT PBTB_ID
{
public:
  PBTB_ID() = default;
  ~PBTB_ID() = default;

  explicit PBTB_ID(int parentId, long uid = -1)
    : m_parentId(parentId), m_uid(uid)
  {}

  void init()
  {
    m_parentId = -1; // >0 -> planFileId
    m_uid      = -1;
  }

  static long getNextId()
  {
    static long s_uid{0};
    ++s_uid;
    return s_uid;
  }

  bool isValid() const
  {
    return (m_uid > 0);
  }

  QString toString() const
  {
    return QString(QStringLiteral("'parentId_%1:uid_%2'")).arg(m_parentId).arg(m_uid);
  }

  static PBTB_ID fromString(QString str)
  {
    str.remove(QStringLiteral("'"));
    const QStringList &sl = str.split(QStringLiteral(":"));
    if (sl.size() != 2)
      return {};

    PBTB_ID idRet;
    {
      QString temp = sl.first();
      QStringList sl2 = temp.split(QStringLiteral("_"));
      if (sl2.size() == 2)
        idRet.m_parentId = sl2.last().toInt();
    }
    {
      QString temp = sl.last();
      QStringList sl3 = temp.split(QStringLiteral("_"));
      if (sl3.size() == 2)
        idRet.m_uid = sl3.last().toLong();
    }
    return idRet;
  }


  bool operator==(const PBTB_ID &o) const
  {
    return m_parentId == o.m_parentId && m_uid == o.m_uid;
  }
  bool operator!=(const PBTB_ID &o) const
  {
    return !operator==(o);
  }

  bool operator<(const PBTB_ID &o) const
  {
    if (m_parentId != o.m_parentId)
      return m_parentId < o.m_parentId;
    return m_uid < o.m_uid;
  }


  int  m_parentId{-1}  ; // >0 -> planFileId
  long m_uid{-1};
};


/**
 * @brief The PixelBasedTextBoxHandler class handles the create, modify and remove of pixel-based textboxes on the QGraphicsScene on top ot the ESRI layer.
 */
class SITUATIONMAP_EXPORT PixelBasedTextBoxHandler : public QObject
{
  Q_OBJECT

  using BaseClass = QObject;

public:
  PixelBasedTextBoxHandler()          = default;  ///< Contructor
  virtual ~PixelBasedTextBoxHandler() = default;  ///< Destructor

  PixelBasedTextBoxHandler(const PixelBasedTextBoxHandler &other)      = delete;
  PixelBasedTextBoxHandler &operator=(PixelBasedTextBoxHandler &other) = delete;

  virtual QTextEdit *createTextBox(PBTB_ID &pbtbIdRef, const PixelTextBoxData &ptbd, bool enableGeometryModifications = true) = 0;
  virtual QTextEdit *updateTextBox(const PBTB_ID &pbtbId, const PixelTextBoxData &ptbd) = 0;
  virtual QTextEdit *getTextBox(const PBTB_ID &pbtbId) = 0;

  virtual QVector<PBTB_ID> getAllIdsOfParent(const PBTB_ID &pbtbId) const = 0;
  virtual PixelTextBoxData getPixelTextBoxData(const PBTB_ID &pbtbId) const = 0;

  virtual void removeSelection() = 0;
  virtual bool setSelected(const PBTB_ID &pbtbId) = 0;

  virtual bool removeTextBox(const PBTB_ID &pbtbId) = 0;
  virtual bool removeAllTextBoxesOfParent(int parentId) = 0;

Q_SIGNALS:
  void pixelBasedTextBoxDoubleClickEvent(SituationMap::PBTB_ID pbtbId);
  void pixelBasedTextBoxGeometryChanged(SituationMap::PBTB_ID pbtbId);
  void pixelBasedTextBoxRemoveRequestedEvent(SituationMap::PBTB_ID pbtbId);


};

//-----------------------------------------------------------------------------
// output operator:
//-----------------------------------------------------------------------------
SITUATIONMAP_EXPORT std::ostream &operator<< (std::ostream &, const PBTB_ID &);


} // namespace SituationMap