#ifndef __PurestAir_H
#define __PurestAir_H

#include <lv2plugin.h>

class PurestAir : public LV2Plugin<3> {
public:
    PurestAir(double rate);

    void activate();
    void run(uint32_t num_samples);

    static constexpr const char * URI = "https://www.airwindows.com/purestair";

private:
    /*
     * These are the original DSP functions from the VST plugin.
     * They need to be called from the LV2 plugins `run` function.
     */
    void processReplacing(float **in, float **out, VstInt32 samples);
    void processDoubleReplacing(double **in, double **out, VstInt32 samples);

    /*
     * Members needed by the processing functions.
     */
        
	uint32_t fpd;
	//default stuff
	long double last1SampleL;
	long double halfwaySampleL;
	long double halfDrySampleL;
	long double halfDiffSampleL;
	long double diffSampleL;
	long double lastSampleL;
	double s1L;
	double s2L;
	double s3L;
	double applyL;

	long double last1SampleR;
	long double halfwaySampleR;
	long double halfDrySampleR;
	long double halfDiffSampleR;
	long double diffSampleR;
	long double lastSampleR;
	double s1R;
	double s2R;
	double s3R;
	double applyR;
	
    float A;
    float B;
    float C;
};

#endif