#include <LiquidCrystal_I2C.h>
const int buttonDash=18, buttonDoor=19, ReedSwitch=2;
int doorLockLED=10;
int relayPin=7;
bool doorClosed = true;
bool dashboardButton = false;
bool bellSwitch_Button = false;
LiquidCrystal_I2C lcd(0x27,20,4);

void setup() {
  pinMode(18, INPUT_PULLUP);
  pinMode(19, INPUT_PULLUP);
  pinMode(2, INPUT_PULLUP);
  pinMode(10, OUTPUT);
 // pinMode(5, OUTPUT);
  
  lcd.begin(20,4);
  lcd.init();
  lcd.backlight();
  lcd.setCursor(5,0);
  lcd.print("Welcome!");
  delay(2000);
  lcd.clear();
}

void loop() {

  int switch_state = digitalRead(2);
  if(switch_state==HIGH && doorClosed){
    lcd.setCursor(5,3);
    lcd.print("access contoll");
  }


  if (digitalRead(18)== LOW && !dashboardButton){ 
    lcd.setCursor(0,0);//character 0 line 0
    lcd.print("Dashboard Button");
    lcd.setCursor(0,1);//character 0 line 1
    lcd.print("Pressed");
  }
  else if(digitalRead(19)==LOW && !bellSwitch_Button){
    
    if(!bellSwitch_Button){
      lcd.clear();
      lcd.setCursor(0,0);
      lcd.print("Bell Switch");
      lcd.setCursor(0,1);
      lcd.print("Pressed");
      delay(2500);
      lcd.clear();

      doorClosed = false;
        if(!doorClosed){
        lcd.setCursor(5,1);
        lcd.print("Door Open");
        digitalWrite(relayPin, HIGH); //turn relay on
        digitalWrite(doorLockLED, HIGH);
        delay(5000);
        lcd.clear();

        doorClosed = true;
        lcd.setCursor(5,1);
        lcd.print("Door Locked");
        digitalWrite(relayPin, LOW); //turn relay off
        digitalWrite(doorLockLED, LOW);
        delay(5000);
        lcd.clear();
        lcd.setCursor(0,0);
        

        doorClosed=true;; //reset the flag to false
      }
    }
  }
}