#ifndef UTILS_H
#define UTILS_H

#include "firmware.h"

#define CARD_BUFFER_LENGTH 14
#define CARD_DATA_LENGTH 10
#define CARD_CHECK_LENGTH 2
#define CARD_HEAD_BYTE 0x2
#define CARD_TAIL_BYTE 0x3
struct __attribute__((packed)) cardData {
	char head;
	char data[CARD_DATA_LENGTH];
	char checksum[CARD_CHECK_LENGTH];
	char tail;
};

extern char cardBuffer[CARD_BUFFER_LENGTH];

bool greenButton();
bool redButton();
void relayOn();
void relayOff();
void greenLEDOn();
void greenLEDOff();
void redLEDOn();
void redLEDOff();

int8_t charToNum(char input);
bool checksum(struct cardData *cardData);
void checkCard();

String serializeLockJson(uint8_t lockState);
String deserializeLockJson(String input);
String serializeLog();
void deserializeInfoJson(String input, uint8_t *processed, uint32_t *unixTime, String *version);

#endif