#define BLYNK_TEMPLATE_ID "TMPLpyUoamqd"
#define BLYNK_TEMPLATE_NAME "IOT Projek 2"
#define BLYNK_AUTH_TOKEN "wQPLS8YlkZHgc1l8X_ty64IqMXtL9yIe"

#define BLYNK_PRINT Serial

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


#include <DHT.h>

char auth[] = BLYNK_AUTH_TOKEN;

char ssid[] = "Wokwi-GUEST"; //nama hotspot yang digunakan
char pass[] = ""; //password hotspot yang digunakan

#define DHTPIN 15          // Mention the digital pin where you connected 
#define DHTTYPE DHT22     // DHT 11 
#define GREEN_LED 13 
#define BLUE_LED 12  
#define YELLOW_LED 14  
#define RED_LED 27   
#define BUZZER 2  

DHT dht(DHTPIN, DHTTYPE);
BlynkTimer timer;



void setup(){
   Serial.begin(115200);
  Blynk.begin(auth, ssid, pass);
  dht.begin();
  pinMode(GREEN_LED, OUTPUT);
  pinMode(BLUE_LED, OUTPUT);
  pinMode(YELLOW_LED, OUTPUT);
  pinMode(RED_LED, OUTPUT);
  pinMode(BUZZER, OUTPUT);
  timer.setInterval(2500L, sendSensor);
}

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

void sendSensor(){
  float h = dht.readHumidity();
  float t = dht.readTemperature(); // or dht.readTemperature(true) for Fahrenheit
  if (isnan(h) || isnan(t)) {
    Serial.println("Failed to read from DHT sensor!");
    return;
  }
  Serial.print("Humidity: ");
  Serial.print(h);
  Serial.print(" %\t");
  Serial.print("Temperature: ");
  Serial.print(t);
  Serial.println(" *C");
  Blynk.virtualWrite(V1, t);
  Blynk.virtualWrite(V2, h);


if (t <= 20 ){  
    digitalWrite(GREEN_LED, HIGH);
    digitalWrite(BLUE_LED, LOW);
    digitalWrite(YELLOW_LED, LOW);
    digitalWrite(RED_LED, LOW);
    noTone(BUZZER); 
    Blynk.virtualWrite(V3, 255); // Nyalakan LED indikator 1
    Blynk.virtualWrite(V4, 0); // Matikan LED indikator 2
    Blynk.virtualWrite(V5, 0); // Matikan LED indikator 3
    Blynk.virtualWrite(V6, 0); // Matikan LED indikator 4
  }

  else if (t >= 20 && t < 30) {  
    digitalWrite(GREEN_LED, LOW);
    digitalWrite(BLUE_LED, HIGH);
    digitalWrite(YELLOW_LED, LOW);
    digitalWrite(RED_LED, LOW);
    tone(BUZZER, 100, 2000); 
    Blynk.virtualWrite(V3, 0); // Atur nilai slider pada V6 ke 255
    Blynk.virtualWrite(V4, 255*(t-20)/5); // Atur nilai slider pada V7 sesuai dengan pengaruh suhu
    Blynk.virtualWrite(V5, 0); // Atur nilai slider pada V8 ke 0
    Blynk.virtualWrite(V6, 0); // Atur nilai slider pada V9 ke 0
  } 
  else if (t >= 30 && t < 40) {  
    digitalWrite(GREEN_LED, LOW);
    digitalWrite(BLUE_LED, LOW);
    digitalWrite(YELLOW_LED, HIGH);
    digitalWrite(RED_LED, LOW);
    tone(BUZZER, 500, 1000); 
    Blynk.virtualWrite(V3, 0); // Atur nilai slider pada V6 ke 255
    Blynk.virtualWrite(V4, 0); // Atur nilai slider pada V7 sesuai dengan pengaruh suhu
    Blynk.virtualWrite(V5, 255*(t-30)/5); // Atur nilai slider pada V8 ke 0
    Blynk.virtualWrite(V6, 0); // Atur nilai slider pada V9 ke 0
  } 
  else {  
    digitalWrite(GREEN_LED, LOW);
    digitalWrite(BLUE_LED, LOW);
    digitalWrite(YELLOW_LED, LOW);
    digitalWrite(RED_LED, HIGH);
    tone(BUZZER, 1000, 100); 
    Blynk.virtualWrite(V3, 0); // Atur nilai slider pada V6 ke 255
    Blynk.virtualWrite(V4, 0); // Atur nilai slider pada V7 sesuai dengan pengaruh suhu
    Blynk.virtualWrite(V5, 0); // Atur nilai slider pada V8 ke 0
    Blynk.virtualWrite(V6, 255*(t-30)/5); // Atur nilai slider pada V9 ke 0
  }

  if(t > 30){
    Blynk.logEvent("temp_alert","Temp above 30 degrees");
  }
}