#ifndef SESSION_H
#define SESSION_H

#include "esp_err.h"
#include <stdint.h>
#include <stdbool.h>

#define SESSION_MAX_CLIENTS     10
#define SESSION_MAX_MAC_LEN     18

typedef struct {
    uint32_t client_ip;
    char mac[SESSION_MAX_MAC_LEN];
    uint64_t allotment_ms;
    int64_t start_time_ms;
    bool active;
    char spent_secrets[5][65];
    int spent_secret_count;
} session_t;

esp_err_t session_manager_init(void);

session_t *session_create(uint32_t client_ip, uint64_t allotment_ms,
                          const char *spent_secrets[], int secret_count);

session_t *session_find_by_ip(uint32_t client_ip);
session_t *session_find_by_mac(const char *mac);

void session_extend(session_t *session, uint64_t additional_ms);

bool session_is_expired(const session_t *session);

bool session_is_secret_spent(const char *secret);

void session_check_expiry(void);

void session_revoke(session_t *session);

void session_revoke_all(void);

int session_active_count(void);

void session_tick(void);

#endif