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

const byte ROWS = 4;
const byte COLS = 4;
bool custom = false;

const int PIR_ONE = 10;
const int PIR_TWO = 11;
const int PIR_THREE = 12;

bool PIR_ONE_status = false;
bool PIR_TWO_status = false;
bool PIR_THREE_status = false;

int count = 0,x=0;
char target [5];
int result=0;

char hexaKeys[ROWS][COLS] = {
  {'1', '2', '3', 'A'},
  {'4', '5', '6', 'B'},
  {'7', '8', '9', 'C'},
  {'*', '0', '#', 'D'}
};

byte rowPins[ROWS] = {9, 8, 7, 6};
byte colPins[COLS] = {5, 4, 3, 2};

Keypad customKeypad = Keypad(makeKeymap(hexaKeys), rowPins, colPins, ROWS, COLS);

LiquidCrystal_I2C lcd(0x27, 16, 2);  

void setup(){

  pinMode(PIR_ONE, INPUT);
  pinMode(PIR_TWO, INPUT);
  pinMode(PIR_THREE, INPUT);

  lcd.backlight();
  lcd.init(); 

  lcd.setCursor(0, 0); 
  lcd.print("target = ");

  for(int i=9; i<=13;){
  char customKey = customKeypad.getKey();
  custom = customKey;
  if (custom){
    if(customKey=='A')
    break;
    target[x]= customKey;
    //lcd.clear();
    lcd.setCursor(i, 0); 
    lcd.print(customKey);
    i++;
    x++;
    }
  custom = false;
  }
  lcd.clear();
  lcd.setCursor(0, 0);
  lcd.print("target : ");

  for(int z=0; z<=4; z++){
  lcd.print(target[z]);
  }
  //delay(5000);
  //lcd.clear();

  sscanf(target, "%d", &result);
    // Conversion successful
  lcd.setCursor(0, 1);
  lcd.print(result);
  delay(2530);

}

void loop(){

  PIR_ONE_status = digitalRead(PIR_ONE);
  PIR_TWO_status = digitalRead(PIR_TWO);
  PIR_THREE_status = digitalRead(PIR_THREE);

  if(PIR_ONE_status==true || PIR_TWO_status==true || PIR_THREE_status==true){
          count++;
  }

  PIR_ONE_status = false;
  PIR_TWO_status = false;
  PIR_THREE_status = false;

  lcd.setCursor(0, 1);
  lcd.print("count : ");
  lcd.print(count);

  if(result<count){
    lcd.setCursor(0, 1);
    lcd.print("Successfully achive");
    delay(2500);

  }

}