#ifndef UTILS_HPP
#define UTILS_HPP

#include "string"
#include "WString.h"
#include "esp32-hal-log.h"

static const uint8_t IPV4ADDRESS_LENGTH = 16;
static const uint8_t CREDENTIALS_LENGTH = 32;

typedef enum firewall_targets : uint8_t
{
    FW_REJECT = 0,
    FW_DROP = 1,
    FW_ACCEPT = 2,
} firewall_target_t;

typedef enum firewall_protocols : uint8_t
{
    FW_TCP = 0,
    FW_UDP = 1,
    FW_ALL = 255,
} firewall_protocol_t;

typedef enum ok : uint8_t
{
    SUCCESS = 0,
    ERROR = 1,
    NO_ACTION = 2,
} ok_t;

typedef enum auth : uint8_t
{
    AUTHENTICATED = 0,
    DENIED = 1,
} auth_t;

typedef struct firewall_rules
{
    uint8_t key;
    char source[IPV4ADDRESS_LENGTH];
    char destination[IPV4ADDRESS_LENGTH];
    firewall_protocol_t protocol;
    firewall_target_t target;
    struct firewall_rules *next;
} firewall_rule_t;

typedef struct credentials
{
    char password[CREDENTIALS_LENGTH];
    char username[CREDENTIALS_LENGTH];
} credential_t;

namespace firewall
{
    String protocol_to_string(firewall_protocol_t &protocol);
    firewall_protocol_t string_to_protocol(std::string &protocol);
    String target_to_string(firewall_target_t &target);
    firewall_target_t string_to_target(std::string &target);
    void endless_loop();
}

#endif