#include <Keypad.h>
#include <DIYables_IRcontroller.h> // DIYables_IRcontroller library



#define LED 10
#define TRIG 11
#define ECHO 12
#define TRIG2 38
#define ECHO2 39
#define LED2 40
#define BUZZER 13
#define IR 41 // The Arduino pin connected to IR controller




const int WINDOWTHRES = 200;

const int ROW_NUM = 4; //four rows
const int COLUMN_NUM = 4; //four columns

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

byte pin_rows[ROW_NUM] = {2, 3, 4, 5}; //connect to the row pinouts of the keypad
byte pin_column[COLUMN_NUM] = {6, 7, 8, 9}; //connect to the column pinouts of the keypad

Keypad keypad = Keypad( makeKeymap(keys), pin_rows, pin_column, ROW_NUM, COLUMN_NUM );
DIYables_IRcontroller_17 irController(IR, 200); // debounce time is 200ms

const String password = "1234"; // change your password here
const String password2 = "5678";
String input_password;

void setup(){
  Serial.begin(9600);
  input_password.reserve(32); // maximum input characters is 33, change if needed
  pinMode(LED, OUTPUT);
  pinMode(TRIG, OUTPUT);
  pinMode(ECHO, INPUT);
  irController.begin();
}

void loop(){
  char key = keypad.getKey();
  Key17 key20 = irController.getKey();

  if (key){
    Serial.println(key);

    if(key == '*') {
      input_password = ""; // clear input password
    } else if(key == '#') {
      if(input_password == password || input_password == password2) {
        if (input_password == password){
          delay(10000);
          Serial.println("Arming");
          
          
        }
        if(input_password == password2){
          Serial.println("Disarming");
        }
        // DO YOUR WORK HERE
        
      } else {
        Serial.println("password is incorrect, try again");
      }

      input_password = ""; // clear input password
    } else {
      input_password += key; // append new character to input password string
    }
  }
}