#include <LiquidCrystal_I2C.h>
#include <Keypad.h>
#include <SPI.h>
//#include <MFRC522.h>
#define PUSH_BUTTON A0
#define NPUSH_BUTTON A4
#define LED 0
#define NLED A5
bool BUTTON_PRESSED = false;
bool NBUTTON_PRESSED = false;
#define SS_PIN 10
#define RST_PIN 9

//MFRC522 mfrc522(SS_PIN, RST_PIN);
/*----------------------KEYPAD--------------------------*/
const byte numRows= 4; //number of rows on the keypad
const byte numCols= 4; //number of columns on the keypad
char keypressed;
char keymap[numRows][numCols]=
{
{'1', '2', '3', 'A'},
{'4', '5', '6', 'B'},
{'7', '8', '9', 'C'},
{'*', '0', '#', 'D'}
};
//Code that shows the the keypad connections to the arduino terminals
byte rowPins[numRows] = {1,2,3,4};//Rows 0 to 3
byte colPins[numCols] = {5,6,7,8};//Columns 0 to 3             
//initializes an instance of the Keypad class
Keypad myKeypad= Keypad(makeKeymap(keymap), rowPins, colPins, numRows, numCols);

LiquidCrystal_I2C lcd(0x27, 20, 5);
LiquidCrystal_I2C lcd1(0x27, 20, 5);
const int buzzer = A1;		  	//Buzzer/small speaker
const int lock = A2;				//Electric door opener
const int nlock = A3;
const int gomb = A0;
const int ngomb = A4;

/*-------------------------------VARIABLES------------------------------------*/
String password="2580"; //Variable to store the current password
String kjelszo="4069";
String vjelszo="4141";
String pjelszo="369";
String mjelszo="147";


String tempPassword="";	//Variable to store the input password
int doublecheck;		//Check twice the new passoword
boolean armed = false;	//Variable for system state (armed:true / unarmed:false)
boolean input_pass;		//Variable for input password (correct:true / wrong:false)
boolean storedPassword = true;
boolean changedPassword = false;
boolean checkPassword = false;
boolean checkPassword1 = false;
int i = 1; //variable to index an array
void setup()
{
	//Serial.begin(9600);
  pinMode(PUSH_BUTTON, INPUT_PULLUP);
	pinMode(NPUSH_BUTTON, INPUT_PULLUP);
  pinMode(LED, OUTPUT);
  digitalWrite(LED, LOW);
  lcd.init();
  lcd.backlight();
  pinMode(lock,OUTPUT);
	pinMode(nlock, OUTPUT);
	lcd.begin(16, 2);	//Setup the LCD's number of columns and rows 
	//Print welcome message...
	//SPI.begin();          // Initiate  SPI bus
  //mfrc522.PCD_Init();   // Initiate MFRC522
	lcd.setCursor(3,0);
	lcd.print("BELEPTETO");
	lcd.setCursor(3,1);
	lcd.print("RENDSZER");
	delay(2000);
	lcd.clear();
	lcd.setCursor(0,0);
	lcd.print("KEVIN & VIKTOR");
	lcd.setCursor(0,1);
	lcd.print("DOOR SECURITY");
	delay(2000);
	lcd.clear();
	//Serial.println("Put your card to the reader...");
  //Serial.println();
}

void loop()
{

  kiskodos();
}


void kiskodos(){ 

	torles:
	lockAgain: //goto label
	tempPassword="";
	lcd.clear();
	i=5;
	noTone(buzzer);
	digitalWrite(lock, LOW);
	digitalWrite(nlock, LOW);
	while(!checkPassword){
		/*
		// Look for new cards
  	if ( ! mfrc522.PICC_IsNewCardPresent()) 
  	{
    	return;
  	}
  	// Select one of the cards
  	if ( ! mfrc522.PICC_ReadCardSerial()) 
  	{
    	return;
  	}
  	//Show UID on serial monitor
  	Serial.print("UID tag :");
  	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();
  	Serial.print("Message : ");
  	content.toUpperCase();
	
		//kevin kártya
		if (content.substring(1) == "45 92 D2 AE" ) //change here the UID of the card/cards that you want to give access
 		{
    	Serial.println("Authorized access");
    	Serial.println();
			goto kevinnyitas;
		}

		//viktor kártya
		if (content.substring(1) == "45 92 D2 AE" ) //change here the UID of the card/cards that you want to give access
 		{
    	Serial.println("Authorized access");
    	Serial.println();
			goto viktornyitas;
		}

		//papa kártya
		if (content.substring(1) == "45 92 D2 AE" ) //change here the UID of the card/cards that you want to give access
 		{
    	Serial.println("Authorized access");
    	Serial.println();
			goto papanyitas;
		}

		//mama kártya
		if (content.substring(1) == "45 92 D2 AE" ) //change here the UID of the card/cards that you want to give access
 		{
    	Serial.println("Authorized access");
    	Serial.println();
			goto papanyitas;
		}
		*/
    if(!digitalRead(PUSH_BUTTON))
    {
      BUTTON_PRESSED =true;
    }
    else
    {
      BUTTON_PRESSED =false;
    
    }
    if(BUTTON_PRESSED)
    {
      lcd.clear();
      digitalWrite(LED, HIGH);
      lcd.setCursor(0,0);
		  lcd.print("  BELSO NYITAS ");
			tone(buzzer,900);
      delay(75);
      noTone(buzzer);
      delay(75);
      tone(buzzer,900);
      delay(75);
      noTone(buzzer);
      delay(75);
			tone(buzzer,150);		 //Play a tone while door is unlocked
			digitalWrite(lock, HIGH);//unlock the door for 5 seconds
			delay(3000);
      lcd.clear();
			kiskodos();
    }
	  else
    {
      digitalWrite(LED, LOW);
    }
		if(!digitalRead(NPUSH_BUTTON))
    {
    	NBUTTON_PRESSED =true;
    }
    else
    {
      NBUTTON_PRESSED =false;
    
    }
    if(NBUTTON_PRESSED)
    {
      lcd.clear();
      digitalWrite(NLED, HIGH);
      lcd.setCursor(0,0);
		  lcd.print("  BELSO NYITAS ");
			tone(buzzer,900);
      delay(75);
      noTone(buzzer);
      delay(75);
      tone(buzzer,900);
      delay(75);
      noTone(buzzer);
      delay(75);
			tone(buzzer,150);		 //Play a tone while door is unlocked
			digitalWrite(nlock, HIGH);//unlock the door for 5 seconds
			delay(3000);
      lcd.clear();
			digitalWrite(NLED, LOW);
			kiskodos();
    }
	  else
    {
      digitalWrite(LED, LOW);
    }
		lcd.setCursor(0,0);
		lcd.print("Kis kapu nyitas  ");
		lcd.setCursor(0,1);
		lcd.print("KOD>");
		keypressed = myKeypad.getKey();		//Read pressed keys
		if (keypressed != NO_KEY){		//Accept only numbers and * from keypad
			if (keypressed == '0' || keypressed == '1' || keypressed == '2' || keypressed == '3' ||
			keypressed == '4' || keypressed == '5' || keypressed == '6' || keypressed == '7' ||
			keypressed == '8' || keypressed == '9'){
				tempPassword += keypressed;
				lcd.setCursor(i,1);
				lcd.print("*");				//Put * on lcd
				i++;
				tone(buzzer,800,200);		//Button tone
			}
      else if (keypressed == 'A'){
        tone(buzzer,500,200);
        delay(500);	
				//kiskodos();
				goto lockAgain;
			}
			else if (keypressed == 'B'){
        tone(buzzer,500,200);
        delay(500);	
				nagykapunyitas();
			}
			else if (keypressed == 'C'){
        tone(buzzer,500,200);
        delay(500);	
				//kartyasnyitas();
			}
			else if (keypressed == 'D'){
        tone(buzzer,500,200);
        delay(500);	
			//	menu();
			}
			else if (keypressed=='*'){
				tone(buzzer,500,200);
        delay(500);
				goto torles;
			}
			else if (keypressed == '#'){	//Check for password
				if (password==tempPassword){//If it's correct...
					lcd.clear();			
					lcd.setCursor(0,0);
					lcd.print("ELFOGADVA");
					lcd.setCursor(0,1);
					lcd.print("Az ajto nyitva");
          tone(buzzer,900);
          delay(75);
          noTone(buzzer);
          delay(75);
          tone(buzzer,900);
          delay(75);
          noTone(buzzer);
          delay(75);
					tone(buzzer,150);		 //Play a tone while door is unlocked
					digitalWrite(lock, HIGH);//unlock the door for 5 seconds
					delay(3000);
					kartyasnyitas();
				}
				else if(kjelszo==tempPassword){
					kevinnyitas:
					lcd.clear();			
					lcd.setCursor(0,0);
					lcd.print("HELLO KEVIN!");
					lcd.setCursor(0,1);
					lcd.print("ERVENYES KOD");
					tone(buzzer,500,200);
					delay(500);
					goto atugrask;
					//kevinnyitas:	
					lcd.clear();			
					lcd.setCursor(0,0);
					lcd.print("HELLO KEVIN!");
					lcd.setCursor(0,1);
					lcd.print("ERVENYES KARTYA");
					delay(500);
					atugrask:
          tone(buzzer,900);
          delay(75);
          noTone(buzzer);
          delay(75);
          tone(buzzer,900);
          delay(75);
          noTone(buzzer);
          delay(75);
					tone(buzzer,150);
					lcd.clear();			
					lcd.setCursor(0,0);
					lcd.print("    BELEPES");
					lcd.setCursor(0,1);
					lcd.print("  ENGEDELYEZVE");		 //Play a tone while door is unlocked
					digitalWrite(lock, HIGH);//unlock the door for 5 seconds
					delay(3000);
					kartyasnyitas();
				}
				else if(vjelszo==tempPassword){
					lcd.clear();			
					lcd.setCursor(0,0);
					lcd.print("HELLO VIKTOR!");
					lcd.setCursor(0,1);
					lcd.print("ERVENYES KOD");
					tone(buzzer,500,200);
					delay(500);
					goto atugrasv;
					//viktornyitas:	
					lcd.clear();			
					lcd.setCursor(0,0);
					lcd.print("HELLO VIKTOR!");
					lcd.setCursor(0,1);
					lcd.print("ERVENYES KARTYA");
					delay(1500);
					atugrasv:
					lcd.clear();			
					lcd.setCursor(0,0);
					lcd.print("    BELEPES");
					lcd.setCursor(0,1);
					lcd.print("  ENGEDELYEZVE");
          tone(buzzer,900);
          delay(75);
          noTone(buzzer);
          delay(75);
          tone(buzzer,900);
          delay(75);
          noTone(buzzer);
          delay(75);
					tone(buzzer,150);		 //Play a tone while door is unlocked
					digitalWrite(lock, HIGH);//unlock the door for 5 seconds
					delay(3000);
					kartyasnyitas();
				}
				else if(pjelszo==tempPassword){
					lcd.clear();			
					lcd.setCursor(0,0);
					lcd.print("HELLO PAPA!");
					lcd.setCursor(0,1);
					lcd.print("ERVENYES KOD");
					tone(buzzer,500,200);
					delay(500);
					goto atugrasp;
					//papanyitas:	
					lcd.clear();			
					lcd.setCursor(0,0);
					lcd.print("HELLO PAPA!");
					lcd.setCursor(0,1);
					lcd.print("ERVENYES KARTYA");
					delay(1500);
					atugrasp:
					lcd.clear();			
					lcd.setCursor(0,0);
					lcd.print(    "BELEPES");
					lcd.setCursor(0,1);
					lcd.print("  ENGEDELYEZVE");
          tone(buzzer,900);
          delay(75);
          noTone(buzzer);
          delay(75);
          tone(buzzer,900);
          delay(75);
          noTone(buzzer);
          delay(75);
					tone(buzzer,150);		 //Play a tone while door is unlocked
					digitalWrite(lock, HIGH);//unlock the door for 5 seconds
					delay(3000);
					kartyasnyitas();
				}
				else if(mjelszo==tempPassword){
					lcd.clear();			
					lcd.setCursor(0,0);
					lcd.print("HELLO MAMA!");
					lcd.setCursor(0,1);
					lcd.print("ERVENYES KOD");
					tone(buzzer,500,200);
					delay(500);
					goto atugrasm;
					//mamanyitas:	
					lcd.clear();			
					lcd.setCursor(0,0);
					lcd.print("HELLO MAMA!");
					lcd.setCursor(0,1);
					lcd.print("ERVENYES KARTYA");
					delay(1500);
					atugrasm:
					lcd.clear();			
					lcd.setCursor(0,0);
					lcd.print("    BELEPES");
					lcd.setCursor(0,1);
					lcd.print("  ENGEDELYEZVE");
          tone(buzzer,900);
          delay(75);
          noTone(buzzer);
          delay(75);
          tone(buzzer,900);
          delay(75);
          noTone(buzzer);
          delay(75);
					tone(buzzer,150);		 //Play a tone while door is unlocked
					digitalWrite(lock, HIGH);//unlock the door for 5 seconds
					delay(3000);
					kartyasnyitas();
				}
				else{						//if it's false, retry
					tempPassword="";
          lcd.clear();			
					lcd.setCursor(0,0);
					lcd.print("ELUTASITVA");
					lcd.setCursor(0,1);
					lcd.print("Teves kod");
					tone(buzzer,500,200);
					delay(300);
					tone(buzzer,500,200);
					delay(300);
					tone(buzzer,500,200);
					delay(300);
					noTone(buzzer);
					delay(300);
					goto lockAgain;
				}
			}
		}
  }
}

void nagykapunyitas(){
  ide:
	lockAgain1: //goto label
	tempPassword="";
	lcd.clear();
	i=9;
	noTone(buzzer);
	digitalWrite(lock, LOW);
	digitalWrite(nlock, LOW);
	while(!checkPassword1){
		if(!digitalRead(PUSH_BUTTON))
    {
      BUTTON_PRESSED =true;
    }
    else
    {
      BUTTON_PRESSED =false;
    
    }
    if(BUTTON_PRESSED)
    {
      lcd.clear();
      digitalWrite(LED, HIGH);
      lcd.setCursor(0,0);
		  lcd.print("  BELSO NYITAS ");
			tone(buzzer,900);
      delay(75);
      noTone(buzzer);
      delay(75);
      tone(buzzer,900);
      delay(75);
      noTone(buzzer);
      delay(75);
			tone(buzzer,150);		 //Play a tone while door is unlocked
			digitalWrite(lock, HIGH);//unlock the door for 5 seconds
			delay(3000);
      lcd.clear();
			nagykapunyitas();
    }
	  else
    {
      digitalWrite(LED, LOW);
    }
		lcd.setCursor(0,0);
		lcd.print("Auto kapu nyitas  ");
		lcd.setCursor(0,1);
		lcd.print("KAPUKOD>");
		keypressed = myKeypad.getKey();		//Read pressed keys
		if (keypressed != NO_KEY){		//Accept only numbers and * from keypad
			if (keypressed == '0' || keypressed == '1' || keypressed == '2' || keypressed == '3' ||
			keypressed == '4' || keypressed == '5' || keypressed == '6' || keypressed == '7' ||
			keypressed == '8' || keypressed == '9'){
				tempPassword += keypressed;
				lcd.setCursor(i,1);
				lcd.print("*");				//Put * on lcd
				i++;
				tone(buzzer,800,200);		//Button tone
			}
      else if (keypressed == 'A'){
        tone(buzzer,500,200);
				delay(500);
				kiskodos();
			}
			else if (keypressed == 'B'){
        tone(buzzer,500,200);
        delay(500);	
				nagykapunyitas();
			}
			else if (keypressed == 'C'){
        tone(buzzer,500,200);
        delay(500);	
				kartyasnyitas();
			}
			else if (keypressed == 'D'){
        tone(buzzer,500,200);
        delay(500);	
				//menu();
			}
			else if (keypressed=='*'){
				tone(buzzer,500,200);
        delay(500);
				goto ide;
			}
			else if (keypressed == '#'){	//Check for password
				tone(buzzer,500,200);
        delay(500);
				if (kjelszo==tempPassword){//If it's correct...
					lcd.clear();			
					lcd.setCursor(0,0);
					lcd.print("Hello Kevin!");
					lcd.setCursor(0,1);
					lcd.print("Nagy kapu nyilik");
					digitalWrite(nlock, HIGH);
          tone(buzzer,400);
          delay(700);
          noTone(buzzer);
          delay(700);
          tone(buzzer,400);
          delay(700);
          noTone(buzzer);
          delay(700);
					tone(buzzer,400);	
					delay(700);	 
				
					kartyasnyitas();
				}
				else if(vjelszo==tempPassword){
					lcd.clear();			
					lcd.setCursor(0,0);
					lcd.print("Hello Viktor!");
					lcd.setCursor(0,1);
					lcd.print("Nagy kapu nyilik");
					digitalWrite(nlock, HIGH);
					digitalWrite(nlock, HIGH);
          tone(buzzer,400);
          delay(700);
          noTone(buzzer);
          delay(700);
          tone(buzzer,400);
          delay(700);
          noTone(buzzer);
          delay(700);
					tone(buzzer,400);	
					delay(700);	 

					kartyasnyitas();
				}
				else if(pjelszo==tempPassword){
						lcd.clear();			
					lcd.setCursor(0,0);
					lcd.print("Hello Papa!");
					lcd.setCursor(0,1);
					lcd.print("Nagy kapu nyilik");
					digitalWrite(nlock, HIGH);//unlock the door for 5 seconds
					digitalWrite(nlock, HIGH);
          tone(buzzer,400);
          delay(700);
          noTone(buzzer);
          delay(700);
          tone(buzzer,400);
          delay(700);
          noTone(buzzer);
          delay(700);
					tone(buzzer,400);	
					delay(700);	 

					kartyasnyitas();
				}
				else if(mjelszo==tempPassword){
						lcd.clear();			
					lcd.setCursor(0,0);
					lcd.print("Hello Mama!");
					lcd.setCursor(0,1);
					lcd.print("Nagy kapu nyilik");
					digitalWrite(nlock, HIGH);
					digitalWrite(nlock, HIGH);
          tone(buzzer,400);
          delay(700);
          noTone(buzzer);
          delay(700);
          tone(buzzer,400);
          delay(700);
          noTone(buzzer);
          delay(700);
					tone(buzzer,400);	
					delay(700);	 
					
					kartyasnyitas();
				}
				else{						//if it's false, retry
					tempPassword="";
          lcd.clear();			
					lcd.setCursor(0,0);
					lcd.print("ELUTASITVA");
					lcd.setCursor(0,1);
					lcd.print("Teves kod");
					tone(buzzer,500,200);
					delay(300);
					tone(buzzer,500,200);
					delay(300);
					tone(buzzer,500,200);
					delay(300);
					noTone(buzzer);
					delay(300);
					goto lockAgain1;
				}
			}
		}
	}
}
void kartyasnyitas()
{
	loop();
}