/*
 * Initial Author: ryand1011 (https://github.com/ryand1011)
 *
 * Reads data written by a program such as "rfid_write_personal_data.ino"
 *
 * See: https://github.com/miguelbalboa/rfid/tree/master/examples/rfid_write_personal_data
 *
 * Uses MIFARE RFID card using RFID-RC522 reader
 * Uses MFRC522 - Library
 * -----------------------------------------------------------------------------------------
 *             MFRC522      Arduino       Arduino   Arduino    Arduino          Arduino
 *             Reader/PCD   Uno/101       Mega      Nano v3    Leonardo/Micro   Pro Micro
 * Signal      Pin          Pin           Pin       Pin        Pin              Pin
 * -----------------------------------------------------------------------------------------
 * RST/Reset   RST          5             5         D9         RESET/ICSP-5     RST
 * SPI SS      SDA(SS)      6            53        D10        10               10
 * SPI MOSI    MOSI         11 / ICSP-4   51        D11        ICSP-4           16
 * SPI MISO    MISO         12 / ICSP-1   50        D12        ICSP-1           14
 * SPI SCK     SCK          13 / ICSP-3   52        D13        ICSP-3           15
*/

/////////// catatan PIN LED 4 ( Putih ) dan Hitam GND //
// Catatan Buzzer PIN 3 + GND

//////////

#include <SPI.h>
#include <MFRC522.h>

#include <Wire.h>
#include <LiquidCrystal_I2C.h>

LiquidCrystal_I2C lcd(0x3f,16,2);
constexpr uint8_t RST_PIN = 5;     // Configurable, see typical pin layout above
constexpr uint8_t SS_PIN = 6;     // Configurable, see typical pin layout above

MFRC522 mfrc522(SS_PIN, RST_PIN);   // Create MFRC522 instance
char bufferx[16] ;
////////////// buzzer
//int speakerPin = 4;
//int length = 15; // the number of notes
//char notes[] = "ccggaagffeeddc "; // a space represents a rest
//int beats[] = { 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 1, 2, 4 };
//int tempo = 300;

////////////


#include <Ethernet.h>

byte mac[] = { 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0xED };
IPAddress server(192, 168, 0, 130);  // numeric IP for Google (no DNS)
//char server[] = "www.mfahri.web.id";    // name address for Google (using DNS)

// Set the static IP address to use if the DHCP fails to assign
IPAddress ip(192, 168, 0, 177);


//*****************************************************************************************//
void(*resetFunc) (void) = 0 ;

void setup() {

  Serial.begin(9600);                                           // Initialize serial communications with the PC
  SPI.begin();                                                  // Init SPI bus
  mfrc522.PCD_Init();                                              // Init MFRC522 card
  Serial.println(F("Read personal data on a MIFARE PICC:"));    //shows in serial that it is ready to read
 pinMode(4, OUTPUT);
  pinMode(3, OUTPUT);
  /////////////////ethernet /////
 lcd.begin();
 lcd.setCursor(1,0);
  lcd.print("Tab Your Card");
   lcd.setCursor(5,1);
    lcd.print("-----");
  /////////////////////////////
}

//*****************************************************************************************//
void loop() {

  // Prepare key - all keys are set to FFFFFFFFFFFFh at chip delivery from the factory.
  MFRC522::MIFARE_Key key;
  for (byte i = 0; i < 6; i++) key.keyByte[i] = 0xFF;

  //some variables we need
  byte block;
  byte len;
  MFRC522::StatusCode status;

  //-------------------------------------------

  // Look for new cards
  if ( ! mfrc522.PICC_IsNewCardPresent()) {
    return;
      resetFunc() ;
  }

  // Select one of the cards
  if ( ! mfrc522.PICC_ReadCardSerial()) {
    return;
      resetFunc() ;
  }

  Serial.println(F("**Card Detected:**"));

  //-------------------------------------------

  mfrc522.PICC_DumpDetailsToSerial(&(mfrc522.uid)); //dump some details about the card

  //mfrc522.PICC_DumpToSerial(&(mfrc522.uid));      //uncomment this to see all blocks in hex

  //-------------------------------------------


  Serial.print(F("Status Mysql : "));

  byte buffer1[18];

  block = 4;
  len = 18;

  //------------------------------------------- GET FIRST NAME
  status = mfrc522.PCD_Authenticate(MFRC522::PICC_CMD_MF_AUTH_KEY_A, 4, &key, &(mfrc522.uid)); //line 834 of MFRC522.cpp file
  if (status != MFRC522::STATUS_OK) {
    Serial.print(F("Authentication failed: "));
    Serial.println(mfrc522.GetStatusCodeName(status));
    return;
    resetFunc() ;
  }

  status = mfrc522.MIFARE_Read(block, buffer1, &len);
  if (status != MFRC522::STATUS_OK) {
    Serial.print(F("Reading failed: "));
    Serial.println(mfrc522.GetStatusCodeName(status));
    return;
      resetFunc() ;
  }

  //PRINT FIRST NAME
  for (uint8_t i = 0; i < 16; i++)
  {
    if (buffer1[i] != 32)
    {
      //Serial.write(buffer1[i]);
     bufferx[i] = buffer1[i];
    }
  }


  //---------------------------------------- GET LAST NAME

  byte buffer2[18];
  block = 1;



  status = mfrc522.PCD_Authenticate(MFRC522::PICC_CMD_MF_AUTH_KEY_A, 1, &key, &(mfrc522.uid)); //line 834
  if (status != MFRC522::STATUS_OK) {
    Serial.print(F("Authentication failed: "));
    Serial.println(mfrc522.GetStatusCodeName(status));
    return;
  }

  status = mfrc522.MIFARE_Read(block, buffer2, &len);
  if (status != MFRC522::STATUS_OK) {
    Serial.print(F("Reading failed: "));
    Serial.println(mfrc522.GetStatusCodeName(status));
    return;
  }

  //PRINT LAST NAME
  for (uint8_t i = 0; i < 16; i++) {
    Serial.write(buffer2[i]);

  }


  //----------------------------------------

 ///////////////////////// ethernet ///////////////////////////////////////////-----------------------///////////

// Ethetnet Konfigurasi ////----------------------------------------------------------------


// Initialize the Ethernet client library
// with the IP address and port of the server
// that you want to connect to (port 80 is default for HTTP):
EthernetClient client;

///////////////////////////////////////////////////////////////////--------------------------------/////////////////////////////////



   Ethernet.begin(mac, ip);
   client.connect(server, 80) ;
    String kelas = "Akademik" ;
///
unsigned int hex_num ;
hex_num = mfrc522.uid.uidByte[0] << 24 ;
hex_num += mfrc522.uid.uidByte[1] << 16 ;
hex_num += mfrc522.uid.uidByte[2] << 8 ;
hex_num += mfrc522.uid.uidByte[3]  ;

//int id_kartu = hex_num;

bufferx[15] = 0x0 ;
Serial.print(bufferx) ;

String id_kartu = bufferx ;

//int id_kartu  = mfrc522.uid.uidByte[0] << 24 ;

    Serial.println("connected");
// Serial.println(idk);
    Serial.println(id_kartu);
    // Make a HTTP request:
    client.println("GET http://192.168.0.130/pm/si/absen_local/absen.php?kartu="+id_kartu+" HTTP/1.1");
   // client.println("GET http://mfahri.web.id/coba/coba.php?kartu=1 HTTP/1.1");
   client.println("Host: 192, 168, 0, 130");
    client.println();
delay(100);
// set cursor to first line

{
  lcd.clear();
lcd.display();

lcd.setCursor(5, 0);
  lcd.backlight();
  lcd.print(id_kartu);
  lcd.setCursor(4,1);
  lcd.print("Success");
  delay(100);
}


digitalWrite(4, HIGH);
delay(1000);                       // wait for a second
  digitalWrite(4, LOW);

tone(3,1000,1000) ;

  //////----------------------------//////////////////////////////////////////////////////////
//digitalWrite(speakerPin, HIGH);
  //  delayMicroseconds(tone);
////////////////////////////////////////////


  Serial.println(F("\n**End Reading**\n"));

  delay(1000); //change value if you want to read cards faster

  mfrc522.PICC_HaltA();
  mfrc522.PCD_StopCrypto1();
      lcd.clear();

 lcd.setCursor(1,0);
  lcd.print("Tab Your Card");
   lcd.setCursor(5,1);
    lcd.print("-----");
}
//*****************************************************************************************//