#ifndef _history_h_
#define _history_h_

#include <stdint.h>

#define HISTORY_SIZE 20000

typedef struct HistoryEntry {
    uint8_t sensor;
    int error;
} HistoryEntry;

typedef struct {
    HistoryEntry data[HISTORY_SIZE];
    int errors[HISTORY_SIZE];
    int front;
    int rear;
    int size;
} HistoryBuffer;

void hisbuf_init(HistoryBuffer *sb);

int hisbuf_is_full(HistoryBuffer *sb);

int hisbuf_push(HistoryBuffer *sb, HistoryEntry entry);

int hisbuf_pop(HistoryBuffer *sb);

int hisbuf_pop_data(HistoryBuffer *sb, HistoryEntry *out);

void hisbuf_get(HistoryBuffer *sb, HistoryEntry *out, int lookahead);

#endif