/*
   Connections:
  --------------------------------------------
   RDIF      ESP8266
   -------------------
   SDA       D4
   SCK       D5
   MOSI      D7
   MISO      D6
   IRQ       N/C
   GND       G
   RST       D2
   3.3V      3V

   RELAY     ESP8266
   -------------------
   DC+       +12V/5V(Breadboard Power Supply)
   DC-       GND/GND(Breadboard Power Supply)
   IN        D1
   --------------------------------------------
*/
#define REMOTEXY_MODE__ESP8266WIFI_LIB_CLOUD
#include <ESP8266WiFi.h>
#include <SPI.h>
#include <MFRC522.h>
#include <RemoteXY.h>

// RemoteXY connection settings
#define REMOTEXY_WIFI_SSID "network"
#define REMOTEXY_WIFI_PASSWORD "123456789"
#define REMOTEXY_CLOUD_SERVER "cloud.remotexy.com"
#define REMOTEXY_CLOUD_PORT 6376
#define REMOTEXY_CLOUD_TOKEN "bc73e0a89829394e756869d36a44b277"

#define SS_PIN 4
#define RST_PIN 2
int lock = D1;

MFRC522 mfrc522(RST_PIN, SS_PIN);

int fflag = 0;
int eflag = 0;
int jflag = 0;

// RemoteXY configurate
#pragma pack(push, 1)
uint8_t RemoteXY_CONF[] =   // 70 bytes
{ 255, 3, 0, 11, 0, 63, 0, 16, 31, 1, 67, 4, 18, 17, 20, 5, 2, 26, 11, 2,
  0, 18, 30, 22, 11, 2, 26, 31, 31, 79, 78, 0, 79, 70, 70, 0, 2, 0, 18, 44,
  22, 11, 2, 26, 31, 31, 79, 78, 0, 79, 70, 70, 0, 2, 0, 18, 58, 22, 11, 2,
  26, 31, 31, 79, 78, 0, 79, 70, 70, 0
};

// this structure defines all the variables and events of your control interface
struct {

  // input variables
  uint8_t switch_1; // =1 if switch ON and =0 if OFF
  uint8_t switch_2; // =1 if switch ON and =0 if OFF
  uint8_t switch_3; // =1 if switch ON and =0 if OFF

  // output variables
  char text_1[11];  // string UTF8 end zero

  // other variable
  uint8_t connect_flag;  // =1 if wire connected, else =0

} RemoteXY;
#pragma pack(pop)

/////////////////////////////////////////////
//           END RemoteXY include          //
/////////////////////////////////////////////



void setup()
{
  RemoteXY_Init ();
  Serial.begin(9600);
  pinMode(lock, OUTPUT);
  digitalWrite(lock, LOW);
  SPI.begin();
  mfrc522.PCD_Init();

}

void loop()
{
  RemoteXY_Handler ();
  fflag = RemoteXY.switch_1;
  eflag = RemoteXY.switch_2;
  jflag = RemoteXY.switch_3;
  iot_rfid();
}

void iot_rfid() {
  if ( ! mfrc522.PICC_IsNewCardPresent()) {
    return;
  }

  if ( ! mfrc522.PICC_ReadCardSerial() ) {
    return;
  }
  String content = "";
  byte letter;
  for (byte i = 0; i < mfrc522.uid.size; i++) {
    Serial.print(mfrc522.uid.uidByte[i] < 0x10 ? " 0" : " ");
    Serial.print(mfrc522.uid.uidByte[i], HEX);
    content.concat(String(mfrc522.uid.uidByte[i] < 0x10 ? " 0" : " "));
    content.concat(String(mfrc522.uid.uidByte[i], HEX));
  }
  Serial.println();
  content.toUpperCase();
  //Blue Tag ID   : 79 53 FB A2
  //White Card ID : D0 86 B6 32

  if      (content.substring(1) == "D0 86 B6 32" && fflag == 1) {
    sendData1();
  }
  else if (content.substring(1) == "79 53 FB A2" && eflag == 1) {
    sendData2();
  }
  else if (content.substring(1) == "B9 48 A2 C1" && jflag == 1) {
    sendData3();
  }
  else {
    Serial.println("Unregistered User");
    strcpy(RemoteXY.text_1, "N/A");
  }
}


void sendData1() {
  Serial.println("User01");
  strcpy(RemoteXY.text_1, "User01");
  digitalWrite(lock, HIGH);
  delay(3000);
  digitalWrite(lock, LOW);
}

void sendData2() {
  Serial.println("User02");
  strcpy(RemoteXY.text_1, "User02");
  digitalWrite(lock, HIGH);
  delay(3000);
  digitalWrite(lock, LOW);
}

void sendData3() {
  Serial.println("User03");
  strcpy(RemoteXY.text_1, "User03");
  digitalWrite(lock, HIGH);
  delay(3000);
  digitalWrite(lock, LOW);
}