#ifndef SYNTH_SHED_H
#define SYNTH_SHED_H

#ifdef __cplusplus
extern "C" {
#endif


// Types (as forward declarations)
// != 0 means ERR
typedef int SYNTH_STATUS;
typedef struct _synth synth_t;
typedef synth_t synth;

// Enums
typedef enum _filtertype {
    HPF,
    LPF,
    BPF
} filtertype_t;

typedef enum _tech {
    ANALOG,
    DIGITAL
} tech_t;

// Structs
typedef struct _filter {
    tech_t technology;
    filtertype_t type;
} filter_t;

struct _synth {
    const char* brand;
    const char* model;
    int osc_count;
    tech_t technology;
    filter_t filter[3];
};


// Functions
void init_synth_shed();

synth_t* synth_create(const char* brand, const char* model, int osc_count);

// This function covers the problem of a pointer to pointer arg
SYNTH_STATUS synth_create_pp(synth_t** new_synth);

SYNTH_STATUS synth_set_osc_count(synth_t* synth, int osc_count);

//SYNTH_STATUS synth_set_filter(synth_t* synth, filter_t* filt);

//SYNTH_STATUS synth_set_tech(synth_t* synth, tech_t tech);

const char* tech_to_string(const enum _tech* tech);

const char* filtertype_to_string(const filtertype_t* filt);


const char* play_synth(synth_t* synth);

#ifdef __cplusplus
} // extern "C"
#endif

#endif //SYNTH_SHED_H