/****************************************************************************
**
** Copyright (C) 2012 Digia Plc
** All rights reserved.
** For any questions to Digia, please use contact form at http://qt.digia.com
**
** This file is part of the Qt Commercial Charts Add-on.
**
** $QT_BEGIN_LICENSE$
** Licensees holding valid Qt Commercial licenses may use this file in
** accordance with the Qt Commercial License Agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Digia.
**
** If you have questions regarding the use of this file, please use
** contact form at http://qt.digia.com
** $QT_END_LICENSE$
**
****************************************************************************/

#ifndef MODEL_H_
#define MODEL_H_

#include <QList>
#include <QPair>
#include <QPointF>
#include <QTime>
#include <stdlib.h>

typedef QPair<QPointF, QString> Data;
typedef QList<Data> DataList;
typedef QList<DataList> DataTable;


class Model
{
private:
    Model(){}

public:
    static DataTable generateRandomData(int listCount, int valueMax, int valueCount)
    {
        DataTable dataTable;

        // set seed for random stuff
        qsrand(QTime(0, 0, 0).secsTo(QTime::currentTime()));

        // generate random data
        for (int i(0); i < listCount; i++) {
            DataList dataList;
            qreal yValue(0);
            for (int j(0); j < valueCount; j++) {
                yValue = yValue + (qreal) (qrand() % valueMax) / (qreal) valueCount;
                QPointF value(
                    (j + (qreal) qrand() / (qreal) RAND_MAX)
                        * ((qreal) valueMax / (qreal) valueCount), yValue);
                QString label = "Slice " + QString::number(i) + ":" + QString::number(j);
                dataList << Data(value, label);
            }
            dataTable << dataList;
        }

        return dataTable;
    }

};

#endif