#define BLYNK_TEMPLATE_ID "TMPL6N1ojcN5y"
#define BLYNK_TEMPLATE_NAME "LATIHAN FSP DEC24"
#define BLYNK_AUTH_TOKEN "6Qi1RmAJbUI_HY0gE3mf90T7EgzO9L35"

#include <WiFi.h>
#include <WiFiClient.h>
#include <BlynkSimpleEsp32.h>
#include <Keypad.h>
#include <DHT.h>

#define DHTTYPE DHT22
const int dhtPin = 16;
DHT dht(dhtPin, DHTTYPE);

const int benar = 14;
const int salah = 12;
const int relay1 = 26;
const int relay2 = 27;

const int BARIS = 4;
const int KOLOM = 4;
char keys[BARIS][KOLOM] = {
  {'1', '2', '3', 'A'},
  {'4', '5', '6', 'B'},
  {'7', '8', '9', 'C'},
  {'*', '0', '#', 'D'}
};
byte rowPins[BARIS] = {22, 21, 19, 18}; 
byte colPins[KOLOM] = {5, 4, 2, 15};   
Keypad keypad = Keypad(makeKeymap(keys), rowPins, colPins, BARIS, KOLOM);

// Blynk
char auth[] = "6Qi1RmAJbUI_HY0gE3mf90T7EgzO9L35";
char ssid[] = "Wokwi-GUEST";
char pass[] = "";

// Variabel
String kalimat = "";
String Kode = "240524";
int SWITCH1;
int SWITCH2;

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


  pinMode(benar, OUTPUT);
  pinMode(salah, OUTPUT);
  pinMode(relay1, OUTPUT);
  pinMode(relay2, OUTPUT);


  Blynk.begin(auth, ssid, pass);
  dht.begin();
}

void loop() {
  Blynk.run();


  char key = keypad.getKey();
  if (key) {
    Serial.print("Input Code: ");
    Serial.println(key);

    if (key == '*') {
      kalimat = ""; 
    } else if (key == '#') {
  
      if (kalimat == Kode) {
        Serial.println("Code Benar Selamat!!!");
        digitalWrite(benar, HIGH);
        digitalWrite(relay1, HIGH);
        Blynk.logEvent("OPEN", "ACCESS GRANTED"); 
        delay(5000);
        digitalWrite(benar, LOW);
        digitalWrite(relay1, LOW);
      } else {
        Serial.println("Coba lagi!");
        digitalWrite(salah, HIGH);
        digitalWrite(relay2, HIGH);
        Blynk.logEvent("FAIL", "ACCESS DENIED");
        delay(5000);
        digitalWrite(salah, LOW);
        digitalWrite(relay2, LOW);
      }
      kalimat = "";
    } else {
      kalimat += key; 
    }

    Serial.print("KODE: ");
    Serial.println(kalimat);
  }

 
  float suhu = dht.readTemperature();
  float kelembaban = dht.readHumidity();

  if (isnan(suhu) || isnan(kelembaban)) {
    Serial.println("Gagal membaca dari sensor DHT!");
    return;
  }

 
  Blynk.virtualWrite(V2, suhu);
  Blynk.virtualWrite(V3, kelembaban);
}

BLYNK_WRITE(V0) {
  SWITCH1 = param.asInt();
  digitalWrite(relay1, SWITCH1);
}

BLYNK_WRITE(V1) {
  SWITCH2 = param.asInt();
  digitalWrite(relay2, SWITCH2);
}