/*
    This file is part of the kolab resource - the implementation of the
    Kolab storage format. See www.kolab.org for documentation on this.

    Copyright (c) 2004 Bo Thorsen <bo@sonofthor.dk>

    This library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Library General Public
    License as published by the Free Software Foundation; either
    version 2 of the License, or (at your option) any later version.

    This library is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
    Library General Public License for more details.

    You should have received a copy of the GNU Library General Public License
    along with this library; see the file COPYING.LIB.  If not, write to
    the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
    Boston, MA 02110-1301, USA.

    In addition, as a special exception, the copyright holders give
    permission to link the code of this program with any edition of
    the Qt library by Trolltech AS, Norway (or with modified versions
    of Qt that use the same license as Qt), and distribute linked
    combinations including the two.  You must obey the GNU General
    Public License in all respects for all of the code used other than
    Qt.  If you modify this file, you may extend this exception to
    your version of the file, but you are not obligated to do so.  If
    you do not wish to do so, delete this exception statement from
    your version.
*/

#ifndef KOLABBASE_H
#define KOLABBASE_H

#include <qdom.h>
#include <KDateTime>
#include <KTimeZone>
#include <QColor>

class QFile;

namespace KCal {
  class Incidence;
}

namespace KABC {
  class Addressee;
  class ContactGroup;
}

namespace Kolab {

class KolabBase {
public:
  struct Email {
  public:
    Email( const QString& name = QString(),
           const QString& email = QString() )
      : displayName( name ), smtpAddress( email )
    {
    }

    QString displayName;
    QString smtpAddress;
  };

  enum Sensitivity { Public = 0, Private = 1, Confidential = 2 };

  explicit KolabBase( const QString& time_zone = QString() );
  virtual ~KolabBase();

  // Return a string identifying this type
  virtual QString type() const = 0;

  virtual void setUid( const QString& uid );
  virtual QString uid() const;

  virtual void setBody( const QString& body );
  virtual QString body() const;

  virtual void setCategories( const QString& categories );
  virtual QString categories() const;

  virtual void setCreationDate( const KDateTime& date );
  virtual KDateTime creationDate() const;

  virtual void setLastModified( const KDateTime& date );
  virtual KDateTime lastModified() const;

  virtual void setSensitivity( Sensitivity sensitivity );
  virtual Sensitivity sensitivity() const;

  virtual void setPilotSyncId( unsigned long id );
  virtual bool hasPilotSyncId() const;
  virtual unsigned long pilotSyncId() const;

  virtual void setPilotSyncStatus( int status );
  virtual bool hasPilotSyncStatus() const;
  virtual int pilotSyncStatus() const;

  // String - Date conversion methods
  static QString dateTimeToString( const KDateTime& time );
  static QString dateToString( const QDate& date );
  static KDateTime stringToDateTime( const QString& time );
  static QDate stringToDate( const QString& date );

  // String - Sensitivity conversion methods
  static QString sensitivityToString( Sensitivity );
  static Sensitivity stringToSensitivity( const QString& );

  // String - Color conversion methods
  static QString colorToString( const QColor& );
  static QColor stringToColor( const QString& );

  // Load this object by reading the XML file
  bool load( const QString& xml );
  bool load( QFile& xml );

  // Load this QDomDocument
  virtual bool loadXML( const QDomDocument& xml ) = 0;

  // Serialize this object to an XML string
  virtual QString saveXML() const = 0;

protected:
  /// Read all known fields from this ical incidence
  void setFields( const KCal::Incidence* );

  /// Save all known fields into this ical incidence
  void saveTo( KCal::Incidence* ) const;

  /// Read all known fields from this contact
  void setFields( const KABC::Addressee* );

  /// Save all known fields into this contact
  void saveTo( KABC::Addressee* ) const;

  /// Read all known fields from this contact group
  void setFields( const KABC::ContactGroup* );

  /// Save all known fields into this contact groupd
  void saveTo( KABC::ContactGroup* ) const;

  // This just makes the initial dom tree with version and doctype
  static QDomDocument domTree();

  bool loadEmailAttribute( QDomElement& element, Email& email );

  void saveEmailAttribute( QDomElement& element, const Email& email,
                           const QString& tagName = "email" ) const;

  // Load the attributes of this class
  virtual bool loadAttribute( QDomElement& );

  // Save the attributes of this class
  virtual bool saveAttributes( QDomElement& ) const;

  // Return the product ID
  virtual QString productID() const = 0;

  // Write a string tag
  static void writeString( QDomElement&, const QString&, const QString& );

  KDateTime localToUTC( const KDateTime& time ) const;
  KDateTime utcToLocal( const KDateTime& time ) const;

  QString mUid;
  QString mBody;
  QString mCategories;
  KDateTime mCreationDate;
  KDateTime mLastModified;
  Sensitivity mSensitivity;
  KTimeZone mTimeZone;

  // KPilot synchronization stuff
  bool mHasPilotSyncId,  mHasPilotSyncStatus;
  unsigned long mPilotSyncId;
  int mPilotSyncStatus;
};

}

#endif // KOLABBASE_H
