/*
Pines RFID
IRQ 2
RESET 3
SDA 8
SCL 9

Pines Matriz 8x8
CLK 4
CS 7
DIN 6
*/

#include <Adafruit_PN532.h>  //https://docs.arduino.cc/libraries/adafruit-pn532/
#include <MD_Parola.h>       //https://docs.arduino.cc/libraries/md_parola/
#include <MD_MAX72xx.h>      //https://docs.arduino.cc/libraries/md_max72xx/
#include <SPI.h>

#include "fuente.h"  //Fuente con Simbolos

//Config RFID I2C
#define PN532_IRQ (2)
#define PN532_RESET (3)

Adafruit_PN532 nfc(PN532_IRQ, PN532_RESET);

//Config. Matrices LED
#define HARDWARE_TYPE MD_MAX72XX::PAROLA_HW

#define MAX_DEVICES 1
#define CS_PIN 7

MD_Parola P = MD_Parola(HARDWARE_TYPE, CS_PIN, MAX_DEVICES);

#define SPEED_TIME 1
#define SPLAT_PAUSE_TIME 1
#define TEXT_PAUSE_TIME 1

#define FRAMETIME 125

//Variables
int8_t estado = 0;

const String tarjetasvalidas[] = {
  "195436148",
  "21349141221",
  "215941566",
  "1491626550",
  "5370169221",
  "13223322231"
};

const int cantidadtarjetas = (sizeof(tarjetasvalidas) / sizeof(tarjetasvalidas[0])) - 1;

String tarjeta = "";
String tarjetaanterior = "";

void ControlRFID(void *e) {
  for (;;) {

    if (estado == 0) {

      uint8_t success;
      uint8_t uid[] = { 0, 0, 0, 0, 0, 0, 0 };
      uint8_t uidLength;

      while (tarjeta == tarjetaanterior) {

        success = nfc.readPassiveTargetID(PN532_MIFARE_ISO14443A, uid, &uidLength);

        if (success) {
          String datostarjeta;
          for (int i = 0; i < 4; i++) {
            datostarjeta = datostarjeta + uid[i];
          }

          tarjeta = datostarjeta;

          Serial.print("Codigo de la Tarjeta: ");
          Serial.println(tarjeta);
        }

        delay(20);
      }

      tarjetaanterior = tarjeta;


      for (int i = 0; i <= cantidadtarjetas; i++) {

        /*
          Serial.print("Comparando: ");
          Serial.print(tarjeta);
          Serial.print(" con ");
          Serial.println(tarjetasvalidas[i]);
          */

        if (tarjeta == tarjetasvalidas[i]) {
          estado = 1;
          break;
        }
      }

      if (estado == 0) {
        estado = 2;
      }
    }

    delay(20);
  }
}

void setup(void) {

  Serial.begin(115200);

  nfc.begin();

  uint32_t versiondata = nfc.getFirmwareVersion();
  if (!versiondata) {
    Serial.print("Error de la placa RFID");
    while (1)
      ;
  }

  xTaskCreate(ControlRFID, "ControlRFID", 2048, NULL, 2, NULL);

  P.begin();
  P.setFont(CheckandFail);
  P.displayClear();
}

void loop(void) {

  if (estado != 0) {

    if (estado == 1) {

      P.displayText("C", PA_CENTER, SPEED_TIME, SPLAT_PAUSE_TIME, PA_PRINT);
      P.displayAnimate();
    }

    if (estado == 2) {

      P.displayText("X", PA_CENTER, SPEED_TIME, SPLAT_PAUSE_TIME, PA_PRINT);
      P.displayAnimate();
    }

    delay(2000);
    P.displayClear();
    delay(10);
    estado = 0;
  }
}