/*
  This file is part of the kcalcore library.

  Copyright (c) 2001-2003 Cornelius Schumacher <schumacher@kde.org>

  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.
*/
#ifndef KCALCORE_SCHEDULEMESSAGE_H
#define KCALCORE_SCHEDULEMESSAGE_H

#include "incidencebase.h"

#include "kcalcore_export.h"

namespace KCalCore {

class IncidenceBase;

/**
   iTIP methods.
*/
enum iTIPMethod {
    iTIPPublish,       /**< Event, to-do, journal or freebusy posting */
    iTIPRequest,       /**< Event, to-do or freebusy scheduling request */
    iTIPReply,         /**< Event, to-do or freebusy reply to request */
    iTIPAdd,           /**< Event, to-do or journal additional property request */
    iTIPCancel,        /**< Event, to-do or journal cancellation notice */
    iTIPRefresh,       /**< Event or to-do description update request */
    iTIPCounter,       /**< Event or to-do submit counter proposal */
    iTIPDeclineCounter,/**< Event or to-do decline a counter proposal */
    iTIPNoMethod       /**< No method */
};

/**
  @brief
  A Scheduling message class.

  This class provides an encapsulation of a scheduling message.
  It associates an incidence with an iTIPMethod and status information.
*/
class KCALCORE_EXPORT ScheduleMessage
{
public:
    /**
      Message status.
    */
    enum Status {
        PublishNew,      /**< New message posting */
        PublishUpdate,   /**< Updated message */
        Obsolete,        /**< obsolete */
        RequestNew,      /**< Request new message posting */
        RequestUpdate,   /**< Request updated message */
        Unknown          /**< No status */
    };

    /**
      A shared pointer to a ScheduleMessage.
    */
    typedef QSharedPointer<ScheduleMessage> Ptr;

    /**
      Creates a scheduling message with method as defined in iTIPMethod and a status.
      @param incidence a pointer to a valid Incidence to be associated with this message.
      @param method an iTIPMethod.
      @param status a Status.
    */
    ScheduleMessage(IncidenceBase::Ptr incidence, iTIPMethod method, Status status);

    /**
      Destructor.
    */
    ~ScheduleMessage();

    /**
      Returns the event associated with this message.
    */
    IncidenceBase::Ptr event() const;

    /**
      Returns the iTIP method associated with this message.
    */
    iTIPMethod method() const;

    /**
      Returns a machine-readable (not translatable) name for a iTIP method.
      @param method an iTIPMethod.
    */
    static QString methodName(iTIPMethod method);

    /**
      Returns the status of this message.
    */
    Status status() const;

    /**
      Returns the error message if there is any.
    */
    QString error() const;

private:
    //@cond PRIVATE
    Q_DISABLE_COPY(ScheduleMessage)
    class Private;
    Private *const d;
    //@endcond
};

}

#endif