#define BLYNK_TEMPLATE_ID "TMPL6aNsHIi_m"
#define BLYNK_TEMPLATE_NAME "RUMAH PINTAR ARYA"
#define BLYNK_AUTH_TOKEN "bfVCxXAIstDl5EF2mrjoXR44RgmK-6kO"

#include <WiFi.h>
#include <WiFiClient.h>
#include <BlynkSimpleEsp32.h>
#include <DHT.h>
#include <LiquidCrystal_I2C.h>

// WiFi credentials
const char* ssid = "Wokwi-GUEST";
const char* password = "";

// DHT sensor
#define DHTPIN 15
#define DHTTYPE DHT22
DHT dht(DHTPIN, DHTTYPE);

// LCD
LiquidCrystal_I2C lcd(0x27, 16, 2);

// Potensiometer (sensor gas dan api)
#define ASAPPIN 34
#define APIPIN 35

// Pin Relay
#define RELAYPIN 13

//Pin Buzzer
#define BUZZERPIN 32

// Pin Blynk
#define VPIN_SUHU V0
#define VPIN_KELEMBABAN V1
#define VPIN_ASAP V2
#define VPIN_API V3
#define VPIN_RELAY V4

void setup() {
  Serial.begin(115200);
  dht.begin();
  pinMode(RELAYPIN, OUTPUT);
  pinMode(ASAPPIN, INPUT);
  pinMode(APIPIN, INPUT);
  pinMode(BUZZERPIN, OUTPUT);
  digitalWrite(RELAYPIN, LOW);
  digitalWrite(BUZZERPIN, LOW);

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

  lcd.setCursor(0, 0);
  lcd.print("SELAMAT DATANG DI");
  lcd.setCursor(0, 1);
  lcd.print("RUMAH PINTAR ARYA");
  delay(3000);
  for (int i = 0; i < 16; i++) {
    lcd.scrollDisplayLeft();
    delay(300);
  }
  lcd.clear();

  WiFi.begin(ssid, password);
  while (WiFi.status() != WL_CONNECTED){
    lcd.setCursor(0, 0);
    lcd.print("MENGHUBUNGKAN KE");
    lcd.setCursor(0, 1);
    lcd.print("WIFI......");
    for (int i = 0; i < 16; i++) {
      lcd.scrollDisplayLeft();
      delay(300);
    }
    lcd.clear();
    delay(1000);
    Serial.println("MENGHUBUNGKAN WIFI....");
  }

  Serial.println("MENGHUBUNGKAN WIFI...");
  lcd.setCursor(0, 0);
  lcd.print("BERHASIL.....");
  for (int i = 0; i < 16; i++){
    lcd.scrollDisplayLeft();
    delay(300);
  }
  lcd.clear();

  Blynk.begin(BLYNK_AUTH_TOKEN, ssid, password);
}

void loop() {
  Blynk.run();
  float suhu = dht.readTemperature();
  float kelembaban = dht.readHumidity();
  int asapValue = analogRead(ASAPPIN);
  int apiValue = analogRead(APIPIN);

  Blynk.virtualWrite(VPIN_SUHU, suhu);
  Blynk.virtualWrite(VPIN_KELEMBABAN, kelembaban);
  Blynk.virtualWrite(VPIN_ASAP, asapValue);
  Blynk.virtualWrite(VPIN_API, apiValue);

  lcd.setCursor(0, 0);
  lcd.print("Suhu: ");
  lcd.print(suhu);
  lcd.print("C ");
  lcd.print("Asap: ");
  lcd.print(asapValue);
  lcd.setCursor(0, 1);
  lcd.print("Kelembaban: ");
  lcd.print(kelembaban);
  lcd.print("% ");
  lcd.print("Api: ");
  lcd.print(apiValue);
  delay(1000);
  lcd.clear();

  Serial.print("Suhu ");
  Serial.print(suhu);
  Serial.print(" °C, Kelembaban: ");
  Serial.print(kelembaban);
  Serial.print(" %, Asap: ");
  Serial.println(asapValue);
  Serial.print(", Api: ");
  Serial.println(apiValue);
  
  if (asapValue > 1000 || apiValue > 1000) {
    digitalWrite(RELAYPIN, HIGH);
    Blynk.virtualWrite(VPIN_RELAY, 1);
    digitalWrite(BUZZERPIN, HIGH);
    tone(BUZZERPIN,200,50);
    lcd.print("Peringatan! asap/api");
  } else {
    digitalWrite(RELAYPIN, LOW);
    Blynk.virtualWrite(VPIN_RELAY, 0);
    digitalWrite(BUZZERPIN, LOW);
    noTone(BUZZERPIN);
  }

  delay(2000);
}