rainfallseriesmodel.h

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#ifndef OPENSWMMVIS_PLOT_RAINFALLSERIESMODEL_H
#define OPENSWMMVIS_PLOT_RAINFALLSERIESMODEL_H
 
#include <QDateTime>
#include <QObject>
#include <QPointF>
#include <QString>
#include <QVector>
 
namespace openswmmvis::plot {
 
struct RainGageRainfall {
    QString id;
    int     engineIndex = -1;
    int     dataSource  = 0;    
    int     rainType    = 0;    
    int     fileFormat  = -1;   
    double  intervalSec = 3600.0;
    double  scaleFactor = 1.0;
    QString timeseriesName;     
    QString stationId;          
    QString fileColumn;         
    QVector<double> timesOA;    
    QVector<double> intensity;  
    bool    fileFailed = false; 
 
    bool hasData() const noexcept { return !timesOA.isEmpty(); }
};
 
struct RainGageStats {
    int       sampleCount   = 0;
    double    totalDepth    = 0.0;  
    double    peakIntensity = 0.0;  
    QDateTime peakTime;
    QDateTime first;
    QDateTime last;
    int       gapCount      = 0;    
    qint64    longestGapSecs = 0;
};
 
class RainfallSeriesModel : public QObject
{
    Q_OBJECT
 
public:
    enum class Basis {
        Intensity,          
        DepthPerInterval,   
        CumulativeDepth     
    };
    Q_ENUM(Basis)
 
    explicit RainfallSeriesModel(QObject *parent = nullptr);
 
    void setEngine(void *engineHandle) { m_engine = engineHandle; }
    void *engine() const noexcept { return m_engine; }
 
    int reload(bool reloadRainFiles);
 
    const QVector<RainGageRainfall> &gages() const noexcept { return m_gages; }
 
    // ── Pure series/stats math (unit-testable without an engine) ────────────
 
    static RainGageStats computeStats(const RainGageRainfall &g);
 
    static QVector<QPointF> buildStepSeries(const RainGageRainfall &g, Basis b);
 
    static QVector<QPointF> buildCumulativeSeries(const RainGageRainfall &g);
 
    static double entryDurationSecs(const RainGageRainfall &g, int i);
 
signals:
    void reloaded();
 
private:
    void  *m_engine = nullptr;
    QVector<RainGageRainfall> m_gages;
};
 
} // namespace openswmmvis::plot
 
#endif // OPENSWMMVIS_PLOT_RAINFALLSERIESMODEL_H