#define BLYNK_TEMPLATE_ID "TMPLUcb24bPO"
#define BLYNK_DEVICE_NAME "Sensor Jarak"
#define BLYNK_AUTH_TOKEN "crtJfP8pP_10bThGKHgd_cK6F8a2tk79"

char auth[] = "crtJfP8pP_10bThGKHgd_cK6F8a2tk79";

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

#include "DHTesp.h"
const int DHT_PIN = 27;
DHTesp dhtSensor;

#define BLYNK_PRINT Serial

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

BlynkTimer timer;
String note;
String noted;

long bacaJarakCM(){ //bisa di ganti dengan float / int
  digitalWrite(2,0);
  delayMicroseconds(2);
  digitalWrite(2,1);
  delayMicroseconds(10);
  digitalWrite(2,0);
  int durasi = pulseIn(15,1);
  //return durasi * 0.034 / 2;
  return (durasi / 2) / 29.1; 
}

void deteksi() {
  int jarak = bacaJarakCM();
  Serial.print("Jarak Air: ");
  Serial.print(bacaJarakCM());
  Serial.print("cm | ");
  Serial.println(note);
  Blynk.virtualWrite(V0, bacaJarakCM());
  Blynk.virtualWrite(V1, note);

  if (jarak <= 100){
  digitalWrite(13, HIGH); //LED Merah
  digitalWrite(12, LOW);
  digitalWrite(14, LOW);
  Blynk.virtualWrite(V2, 1);
  Blynk.virtualWrite(V3, 0);
  Blynk.virtualWrite(V4, 0);
  note ="Bahaya";
  }
  else if(jarak >= 100 && jarak <=150) {
  digitalWrite(13, LOW);
  digitalWrite(12, LOW); //LED Kuning
  digitalWrite(14, LOW);
  Blynk.virtualWrite(V2, 0);
  Blynk.virtualWrite(V3, 1);
  Blynk.virtualWrite(V4, 0);
  note = "Siaga";
  }
  else if(jarak >= 150){
  digitalWrite(13, LOW);
  digitalWrite(12, LOW);
  digitalWrite(14, HIGH); // LED Hijau
  Blynk.virtualWrite(V2, 0);
  Blynk.virtualWrite(V3, 0);
  Blynk.virtualWrite(V4, 1);
  note = "Aman";
  } 
  else {
  digitalWrite(13, LOW); //LED Merah
  digitalWrite(12, LOW); //LED Kuning
  digitalWrite(14, LOW); // LED Hijau
  Blynk.virtualWrite(V2, 0);
  Blynk.virtualWrite(V3, 0);
  Blynk.virtualWrite(V4, 0);
  note = "";
  }
  delay(50);
}

void setup()
{
  pinMode(13, OUTPUT); //LED Merah
  pinMode(12, OUTPUT); //LED Kuning
  pinMode(14, OUTPUT); //LED Hijau
  pinMode(2, OUTPUT); // Trig
  pinMode(15, INPUT); //Echo

  Serial.begin(9600);
  dhtSensor.setup(DHT_PIN, DHTesp::DHT22);
  Blynk.begin(auth, ssid, pass);
  timer.setInterval(2000L, deteksi);
}

void bacaSuhu()
{
  TempAndHumidity data = dhtSensor.getTempAndHumidity();
  Serial.println("Temp: " + String(data.temperature, 2) + "°C");
 // Serial.println("Humidity: " + String(data.humidity, 1) + "%");
  Serial.println("---");
  Blynk.virtualWrite(V5, data.temperature); //mengirimkan data ke Virtual pin di Blynk Cloud
 // Blynk.virtualWrite(V6, data.humidity); 
  delay(500);
  Serial.print("Suhu Air Aquarium | ");
  Serial.println(noted);

  if(data.temperature <= 28){
  digitalWrite(13, HIGH); //LED Merah
  digitalWrite(12, LOW);
  digitalWrite(14, LOW);
  Blynk.virtualWrite(V2, 1);
  Blynk.virtualWrite(V3, 0);
  Blynk.virtualWrite(V4, 0);
  noted ="Dingin";
    
  }
  else if(data.temperature >= 28 && data.temperature <= 34){
  digitalWrite(13, LOW);
  digitalWrite(12, LOW); //LED Kuning
  digitalWrite(14, LOW);
  Blynk.virtualWrite(V2, 0);
  Blynk.virtualWrite(V3, 1);
  Blynk.virtualWrite(V4, 0);
  noted = "Normal";
  
  }
  else if(data.temperature >= 35){
  digitalWrite(13, LOW);
  digitalWrite(12, LOW);
  digitalWrite(14, HIGH); // LED Hijau
  Blynk.virtualWrite(V2, 0);
  Blynk.virtualWrite(V3, 0);
  Blynk.virtualWrite(V4, 1);
  noted = "Panas";
  }

  else {
  digitalWrite(13, LOW); //LED Merah - Pompa PH
  digitalWrite(12, LOW); //LED Kuning - Pompa Isi Air
  digitalWrite(14, LOW); // LED Hijau
  Blynk.virtualWrite(V2, 0);
  Blynk.virtualWrite(V3, 0);
  Blynk.virtualWrite(V4, 0);
  noted = "";
  }
  delay(50);
}

void loop()
{
  bacaSuhu();
  deteksi();
  Blynk.run();
  timer.run();
}