#define BLYNK_TEMPLATE_ID "TMPL6_8Gzbb08"
#define BLYNK_TEMPLATE_NAME "Wokwi"
#define BLYNK_AUTH_TOKEN "rZSOI1BhprGyag0FdUp93_6ojCT8QBBm"

#define BLYNK_PRINT Serial

#include <WiFi.h>
#include <WiFiClient.h>
#include <BlynkSimpleEsp32.h>
#include <DHT.h>
#include <Adafruit_Sensor.h>
#include <ESP32Servo.h>

#define DHTPIN 12
#define DHTTYPE DHT22
DHT dht(DHTPIN, DHTTYPE);

#define triggerPin 4
#define echoPin 2
#define MERAH 18
#define HIJAU 19
#define KUNING 21

long durasi, jarak;
int volt;

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

BlynkTimer timer;

Servo pintu1;
// Servo pintu2;
// Servo pintu3;

bool status = false;
BLYNK_WRITE(V0)
{
  int pinValue = param.asInt();

  if (pinValue == 1){
    status = true;
  }
  else {
    status = false;
  }
}

void setup() {
  Serial.begin(115200);
  Serial.println("Sistem Monitoring Boiler");
  dht.begin();
  pintu1.attach(25);
  // pintu2.attach(32);
  // pintu3.attach(33);
  Blynk.begin(auth, ssid, pass);
  pinMode(MERAH, OUTPUT);
  pinMode(HIJAU, OUTPUT);
  pinMode(KUNING, OUTPUT);
}

void loop() {
  delay (1000);
  float t = dht.readTemperature();
  float h = dht.readHumidity();

  Blynk.run();
  // ultrasonik = map(analogRead(), 0, 4096, 100, 0);
  volt = map (analogRead (35), 0, 4096, 0, 100);
  
  pinMode(triggerPin, OUTPUT);
  digitalWrite(triggerPin, LOW);
  delayMicroseconds(2);
  digitalWrite(triggerPin, HIGH);
  delayMicroseconds(10);
  digitalWrite(triggerPin, LOW);
  pinMode(echoPin, INPUT);
  durasi = pulseIn(echoPin, HIGH);
  jarak = durasi /29 /2;
  Blynk.virtualWrite (V2, jarak);
  Blynk.virtualWrite (V1, t);

  if (jarak >50){
    Serial.println ("Jarak lebih dari 50cm");
    digitalWrite(MERAH, LOW);
    digitalWrite(HIJAU, LOW);
    digitalWrite(KUNING, LOW);
  }
  else if (jarak <50){
    Serial.println ("Jarak kurang dari 50cm");
    digitalWrite(MERAH, HIGH);
    digitalWrite(HIJAU, LOW);
    digitalWrite(KUNING, LOW);
  }

  if (status == true){
    pintu1.write(0);
  }
  else {
    if (jarak <50 || t >=80){
      pintu1.write (180);
      Serial.println("Boiler Buka");
    }
    else{
      pintu1.write(0);
      Serial.println("Boiler Tutup");
    }
  }
}