/*=====================================================================
 
 QGroundControl Open Source Ground Control Station
 
 (c) 2009 - 2014 QGROUNDCONTROL PROJECT <http://www.qgroundcontrol.org>
 
 This file is part of the QGROUNDCONTROL project
 
 QGROUNDCONTROL is free software: you can redistribute it and/or modify
 it under the terms of the GNU General Public License as published by
 the Free Software Foundation, either version 3 of the License, or
 (at your option) any later version.
 
 QGROUNDCONTROL 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 General Public License for more details.
 
 You should have received a copy of the GNU General Public License
 along with QGROUNDCONTROL. If not, see <http://www.gnu.org/licenses/>.
 
 ======================================================================*/

/// @file
///     @author Don Gagne <don@thegagnes.com>

#ifndef FactMetaData_H
#define FactMetaData_H

#include <QObject>
#include <QString>
#include <QVariant>

/// Holds the meta data associated with a Fact.
///
/// Holds the meta data associated with a Fact. This is kept in a seperate object from the Fact itself
/// since you may have multiple instances of the same Fact. But there is only ever one FactMetaData
/// instance or each Fact.
class FactMetaData : public QObject
{
    Q_OBJECT
    
public:
    FactMetaData(QObject* parent = NULL);
    
    typedef enum {
        valueTypeUint8,
        valueTypeInt8,
        valueTypeUint16,
        valueTypeInt16,
        valueTypeUint32,
        valueTypeInt32,
        valueTypeFloat,
        valueTypeDouble
    } ValueType_t;
    
    /// Initialize the meta data given only the type.
    void initFromTypeOnly(ValueType_t initType);

    // FIXME: This needs to switch over to Q_PROPERTY mechanism
    ValueType_t type;
    QVariant    defaultValue;
    QString     shortDescription;
    QString     longDescription;
    QString     units;
    QVariant    min;
    QVariant    max;
};

#endif