#ifndef _XAS_OBJECT_H
#define _XAS_OBJECT_H

#include <xas/audio.h>

typedef struct _xas_object_coord {
    float x, y, z;
} xas_object_coord;

typedef struct _xas_object xas_object;

typedef int (*xas_object_start_callback)(xas_object *object, size_t index);

typedef int (*xas_object_stop_callback)(xas_object *object, size_t index);

typedef int (*xas_object_set_type_callback)(xas_object *object,
                                              size_t index,
                                              int type);

typedef int (*xas_object_set_gain_callback)(xas_object *object,
                                              size_t index,
                                              float gain);

typedef int (*xas_object_set_freq_callback)(xas_object *object,
                                              size_t index,
                                              size_t freq);

typedef int (*xas_object_set_entry_callback)(xas_object *object,
                                               size_t index,
                                               size_t entry);

typedef int (*xas_object_set_flags_callback)(xas_object *object,
                                               size_t index,
                                               int flags);

typedef int (*xas_object_set_point_callback)(xas_object *object,
                                               size_t index,
                                               xas_object_coord point);

typedef int (*xas_object_set_heading_callback)(xas_object *object,
                                                 size_t index,
                                                 xas_object_coord heading);

typedef int (*xas_object_set_speed_callback)(xas_object *object,
                                               size_t index,
                                               float speed);

typedef xas_audio_stream *(*xas_object_stream_new_callback)(xas_object *object);

typedef void (*xas_object_destroy_callback)(xas_object *object);

typedef struct _xas_object_call_table {
    xas_object_start_callback       start;
    xas_object_stop_callback        stop;
    xas_object_set_type_callback    set_type;
    xas_object_set_gain_callback    set_gain;
    xas_object_set_entry_callback   set_entry;
    xas_object_set_freq_callback    set_freq;
    xas_object_set_flags_callback   set_flags;
    xas_object_set_point_callback   set_point;
    xas_object_set_heading_callback set_heading;
    xas_object_set_speed_callback   set_speed;
    xas_object_stream_new_callback  stream_new;
    xas_object_destroy_callback     destroy;
} xas_object_call_table;

struct _xas_object {
    xas_object_call_table *table;
};

int xas_object_start(xas_object *object, size_t index);

int xas_object_stop(xas_object *object, size_t index);

int xas_object_set_type(xas_object *object, size_t index, int type);

int xas_object_set_gain(xas_object *object, size_t index, float gain);

int xas_object_set_entry(xas_object *object, size_t index, size_t entry);

int xas_object_set_freq(xas_object *object, size_t index, size_t freq);

int xas_object_set_flags(xas_object *object, size_t index, int flags);

int xas_object_set_point(xas_object *object,
                           size_t index,
                           xas_object_coord point);

int xas_object_set_heading(xas_object *object,
                             size_t index,
                             xas_object_coord heading);

int xas_object_set_speed(xas_object *object, size_t index, float speed);

xas_audio_stream *xas_object_stream_new(xas_object *object);

void xas_object_destroy(xas_object *object);

#endif /* _XAS_OBJECT_H */