#ifndef CHANNEL_H
#define CHANNEL_H

// cppcheck-suppress missingIncludeSystem
#include <jack/jack.h>
#include <stdatomic.h>

#define LOOP_BUF_SIZE  (5 * 48000)
#define MAX_CHANNELS   16

typedef enum {
    STATE_IDLE,
    STATE_RECORD,
    STATE_LOOPING,
    STATE_PAUSED
} looper_state;

struct channel_t {
    atomic_int    state;
    int           prev_state;
    float         loop_buffer[LOOP_BUF_SIZE];
    int           loop_count;
    int           record_pos;
    int           playback_pos;
    atomic_int    active;
    jack_port_t  *audio_in;
    jack_port_t  *audio_out;
};

/* Globals declared in looper.c */
extern struct channel_t channels[MAX_CHANNELS];
extern atomic_int  channel_count;
extern int         next_channel_id;

void channel_add(jack_client_t *client, int idx);
void channel_remove(jack_client_t *client, int idx);

#endif