#ifndef CALKIT_H
#define CALKIT_H

#include <string>
#include <complex>
#include "touchstone.h"

class Calkit
{
    friend class CalkitDialog;
public:
    Calkit();

    class SOLT {
    public:
        std::complex<double> Open;
        std::complex<double> Short;
        std::complex<double> Load;
        std::complex<double> ThroughS11, ThroughS12, ThroughS21, ThroughS22;
    };

    class TRL {
    public:
        bool reflectionIsNegative;
        std::complex<double> ThroughS11, ThroughS12, ThroughS21, ThroughS22;
    };

    void toFile(std::string filename);
    static Calkit fromFile(std::string filename);
    void edit();
    SOLT toSOLT(double frequency);
    TRL toTRL(double frequency);
    double minFreq(bool TRL = false);
    double maxFreq(bool TRL = false);
    bool isTRLReflectionShort() const;

private:
    // SOLT standard definitions
    double open_Z0, open_delay, open_loss, open_C0, open_C1, open_C2, open_C3;
    double short_Z0, short_delay, short_loss, short_L0, short_L1, short_L2, short_L3;
    double load_Z0;
    double through_Z0, through_delay, through_loss;

    // coefficients/measurement file switch
    bool open_measurements;
    bool short_measurements;
    bool load_measurements;
    bool through_measurements;

    // TRL standard definitions
    double TRL_through_Z0;
    bool TRL_reflection_short;
    double TRL_line_delay;
    double TRL_line_minfreq;
    double TRL_line_maxfreq;

    std::string open_file, short_file, load_file, through_file;
    int open_Sparam, short_Sparam, load_Sparam, through_Sparam1, through_Sparam2;

    Touchstone *ts_open, *ts_short, *ts_load, *ts_through;
    bool ts_cached;

    void clearTouchstoneCache();
    void fillTouchstoneCache();
};

#endif // CALKIT_H