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#ifndef QCONTACTIDSHASH_H
#define QCONTACTIDSHASH_H

#include <QByteArray>
#include "qcontactmaemo5debug_p.h"
#include "qtcontacts.h"

QTM_USE_NAMESPACE

/* QContactIDsHash stores abookContact IDs (strings)*/
class QContactIDsHash{
public:
  QContactIDsHash(){};
  
  /* Append */
  QContactIDsHash& operator<< (const QByteArray& eContactId){
    const QContactLocalId key = qChecksum(eContactId, eContactId.size());
    if (m_localIds.contains(key))
      return (*this);
    m_localIds[key] = eContactId;
    QCM5_DEBUG << "Add key:" << key << "eContactId:" << eContactId;
    return (*this);
  };
  
  const QContactLocalId append(const QByteArray& eContactId){
    const QContactLocalId key = qChecksum(eContactId, eContactId.size());
    if (m_localIds.contains(key))
      return key;
    m_localIds[key] = eContactId;
    QCM5_DEBUG << "Add key:" << key << "eContactId:" << eContactId;
    return key;
  };
  
  /* Find */
  const char* operator[] (const QContactLocalId localId) { return m_localIds.value(localId).constData(); };
  const char* find(const QContactLocalId localId) { return m_localIds.value(localId).constData(); };
  const QContactLocalId operator[] (const QByteArray& eContactId) { return m_localIds.key(eContactId, 0); };
  const QContactLocalId find(const QByteArray& eContactId) { return m_localIds.key(eContactId, 0); };
  
  /* Remove */
  bool remove(const QContactLocalId localId){ bool removed = (m_localIds.remove(localId) == 1) ? true : false;
                                              QCM5_DEBUG << "Remove QContactLocalId:" << localId << ((removed) ? "OK" : "NO");
                                              return removed;
                                            };
  bool remove(const QByteArray& eContactId){ 
    const QContactLocalId hashKey = m_localIds.key(eContactId, 0);
    bool removed = remove(hashKey);
    QCM5_DEBUG << "Remove QContactLocalId:" << hashKey << ((removed) ? "OK" : "NO");
    return removed;
  };
  
  /* Take */
  const QContactLocalId take(const QByteArray& eContactId){
    const QContactLocalId hashKey = m_localIds.key(eContactId, 0);
    remove(hashKey);
    return hashKey;
  };

  /* Keys */
  const QList<QContactLocalId> keys() {return m_localIds.keys();}
  
private:
  QHash<QContactLocalId, QByteArray> m_localIds; //[int/QContactLocalId Maemo5LocalId, QByteArray eContactID]
};

#endif