#include "rfid.h"

PN532_SPI pn532spi(SPI, NFC_SS, NFC_SCK, NFC_MISO, NFC_MOSI);
NfcAdapter nfc = NfcAdapter(pn532spi);

uint32_t lastRFID = 0;

String lastUid = "";

bool RfidinitOK = false;
bool RfidScanActive = false;

//*****************************************************************************************//
void initRfid()
{
  log_i("RFID init:"); // shows in serial that it is ready to read
  nfc.begin(true);
  RfidinitOK = true;
  log_i("RFID init: OK"); // shows in serial that it is ready to read
}

//*****************************************************************************************//
void handleRfid()
{
  uint32_t timeNow = millis();
  if (lastRFID - timeNow > RFIDINTERVAL && RfidScanActive)
  {
    log_i("scanning");
    if (nfc.tagPresent(100))
    {
      NfcTag tag = nfc.read();
      lastUid = tag.getUidString();
      log_i("found tag %s",lastUid.c_str());
    }
    lastRFID = timeNow;
  }
}

bool getRFIDInitStatus(void)
{
  return RfidinitOK;
}

String getRFIDlastUID(void)
{
  return lastUid;
}

bool getRFIDlastUIDValid(void)
{
  if(lastUid == "")
  {
    return false;
  }
  return (getUIDvalid(lastUid));
}

void setRFIDscanState(bool state)
{
  RfidScanActive = state;
}

void clearRFIDlastUID( void)
{
  log_i("cleard last tag");
  lastUid = "";
}
//*****************************************************************************************//