#define BLYNK_PRINT Serial
#define BLYNK_TEMPLATE_ID "TMPL6PMkTuzTD"
#define BLYNK_TEMPLATE_NAME "RUMAH pintar"
#define BLYNK_AUTH_TOKEN "as33_O_7D-78bc3Qvha85q5Lp2GSnmiF"

//__________________________________________________________

//Libraryna...
#include <WiFi.h>
#include <WiFiClient.h>
#include <BlynkSimpleEsp32.h>
#include <ESP32Servo.h>
#include <Keypad.h>
#include <LiquidCrystal_I2C.h>
#include <Buzzer.h>
#include "DHTesp.h"
//_____________________________

//Keamanana
char auth[] = BLYNK_AUTH_TOKEN;
char ssid[] = "Wokwi-GUEST";
char pass[] = "";
//_____________________________

//Jang Modul-modulna
LiquidCrystal_I2C lcd(0x27,16,2);

Servo myservo;

DHTesp dhtSensor;
const int DHT_PIN = 12;
#define BUZZER 13
#define TRIGGER_PIN 23
#define ECHO_PIN 22
#define RELAY_PIN 21
//_____________________________



//Konfigurasi Keypadna + Password
const uint8_t BARIS  = 4;
const uint8_t KOLOM = 4;
char keys[BARIS][KOLOM] = {
  {'1','2','3','A'},
  {'4','5','6','B'},
  {'7','8','9','C'},
  {'*','0','#','D'}
};
byte rowPins[BARIS] = {34, 35, 32, 33};
byte colPins[KOLOM] =  {25, 26, 27, 14};
Keypad customKeypad = Keypad( makeKeymap(keys), rowPins, colPins, BARIS, KOLOM);
char customKey;
int number = 0;
int password = 123456;
//________________________________________________________________________________________
BlynkTimer timer;
//____________________________Pengiriman data_____________________________________________
void sendSensor()
{
  float suhu, kelembaban;
  TempAndHumidity  data = dhtSensor.getTempAndHumidity();
  suhu = data.temperature;
  kelembaban = data.humidity;
  //Kana Blynkna...
  Blynk.virtualWrite(V0, suhu); 
  Blynk.virtualWrite(V1, kelembaban);
  //Logika + cetak-cetak
  Serial.println("Temp: " + String(suhu, 2) + "°C");
  Serial.println("Humidity: " + String(kelembaban, 1) + "%");
  if (suhu >= 40) {
    Serial.println("Suhu: Panas");
  } else {
    int buttonState = digitalRead(RELAY_PIN);
    Blynk.virtualWrite(V2, buttonState);
    Serial.println("Suhu: Dingin");
  }
}

BLYNK_WRITE(V2)
{  int relayState = param.asInt();
  digitalWrite(RELAY_PIN, relayState);
}
//_____________________________________________________________________________________//
void setup() {
  // put your setup code here, to run once:
  Serial.begin(9600);
  lcd.init();                      
  lcd.backlight();
  lcd.setCursor(0,0);
  myservo.attach(5);
  pinMode(ECHO_PIN, INPUT);
  pinMode(TRIGGER_PIN, OUTPUT);
  pinMode(RELAY_PIN, OUTPUT);
  pinMode(BUZZER, OUTPUT);
 //Perihal Blynk..
  Blynk.begin(auth, ssid, pass);
  dhtSensor.setup(DHT_PIN, DHTesp::DHT22);
  Blynk.virtualWrite(V2, LOW);
  timer.setInterval(1000L, sendSensor);
}
//_____________________________________________________________________________________//
void loop() {
  // put your main code here, to run repeatedly:
  lcd.setCursor(0,0);
  lcd.print("Masukan Password");
  customKey = customKeypad.getKey();
  switch(customKey){
    case '0' ... '9':
      lcd.setCursor(0,1);
      number = number * 10 + (customKey - '0');
      lcd.print(number);
    break;
//___________________________________________________________
    case '#':
      if(number == password){
        lcd.setCursor(0,1);
        lcd.print("Benar ");
        delay(2000);
        number = 0;
        lcd.clear(); 
      }
      else{
        lcd.setCursor(0,1);
        lcd.print("Salah");
        tone(BUZZER, 3000);
        delay(2000);
        noTone(BUZZER);
        number = 0;
        lcd.clear();
      }
    break;
    //___________________________________________________________
    case '*':
      number = 0;
      lcd.clear();
    break;
//___________________________________________________________
  }
  delay(500);
  //___________________________________________________________
  digitalWrite(TRIGGER_PIN, LOW);
  delayMicroseconds(5);
  digitalWrite(TRIGGER_PIN, HIGH);
  delayMicroseconds(13);
  digitalWrite(TRIGGER_PIN, LOW);
  //___________________________________________________________
  long duration = pulseIn(ECHO_PIN, HIGH);
  long jarak = (duration * 0.0343) / 2;
//__________________________________________________________
  Serial.print("Jarak Sensor: ");
  Serial.println(jarak);
//__________________________________________________________
  if(jarak <= 30) {
    myservo.write(0);
    Blynk.virtualWrite(V3, "Terbuka"); 
    Serial.print("Status Gerbang: Terbuka");
  } else {
    myservo.write(90);
    Blynk.virtualWrite(V3, "Tertutup"); 
    Serial.print("Status Gerbang: Tertutup");
  }
//___________________________________________________________
  delay(500);
//___________________________________________________________
  Blynk.run();
  timer.run();
//___________________________________________________________
  delay(500);
}