#include <Keypad.h>

const uint8_t ROWS = 4;
const uint8_t COLS = 4;
char keys[ROWS][COLS] = {
  { '1', '2', '3', 'A' },
  { '4', '5', '6', 'B' },
  { '7', '8', '9', 'C' },
  { '*', '0', '#', 'D' },
};

uint8_t colPins[COLS] = { 5, 4, 3, 2 }; // Pins connected to C1, C2, C3, C4
uint8_t rowPins[ROWS] = { 9, 8, 7, 6 }; // Pins connected to R1, R2, R3, R4

Keypad keypad = Keypad(makeKeymap(keys), rowPins, colPins, ROWS, COLS);

String password = "1234";     // Perbaikan typo "pasword" jadi "password"
String inputPassword = "";    // Perbaikan typo "inputPasword" jadi "inputPassword"

void setup() {
  Serial.begin(9600);
}

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

  if (key) {
    Serial.println(key);
    
    if (key == '#') {  // Jika '#' ditekan, cek password
      if (inputPassword == password) {
        Serial.println(" - Access Granted!");
      } else {
        Serial.println(" - Access Denied!");
      }
      inputPassword = ""; // Reset input password setelah pengecekan
    } 
    
    else if (key == '*') {  // Perbaikan 'if (key = '*')' menjadi 'if (key == '*')'
      inputPassword = "";
      Serial.println("\nReset Password Input"); // Perbaikan tanda kurung
    } 
    
    else {
      inputPassword += key; // Tambahkan karakter ke inputPassword
    }
  }
}