#include "DHT.h"
#define DHTPIN 23   
#define DHTTYPE DHT22   
DHT dht(DHTPIN, DHTTYPE);

#include <SPI.h>
#include <Wire.h>
#include <Adafruit_GFX.h>
#include <Adafruit_SSD1306.h>
#define SCREEN_WIDTH 128
#define SCREEN_HEIGHT 32
Adafruit_SSD1306 display(SCREEN_WIDTH, SCREEN_HEIGHT, &Wire, -1);

#define Relay 27
#include <ESP32Servo.h>
Servo myservo;

#define BLYNK_TEMPLATE_ID "TMPL6o5UCSU6h"
#define BLYNK_TEMPLATE_NAME "test skiil 5567"
#define BLYNK_AUTH_TOKEN "dVHPAgnA1zRL5p9aRpijUNp4S3Ynoidf"


#define BLYNK_PRINT Serial

#include <WiFi.h>
#include <WiFiClient.h>
#include <BlynkSimpleEsp32.h>
char auth[] = "dVHPAgnA1zRL5p9aRpijUNp4S3Ynoidf";
char ssid[] = "Wokwi-GUEST";
char pass[] = "";

int SW_Mode,SW_Relay,SW_Servo;

void setup() 
{
  myservo.attach(25);
  pinMode(Relay,OUTPUT);
  Serial.begin(9600);
  Serial.println(F("DHTxx test!"));
  dht.begin();

  display.begin(SSD1306_SWITCHCAPVCC, 0x3C);
  display.clearDisplay();
  display.setTextSize(1);
  display.setTextColor(WHITE);
  delay(1000);

  Blynk.begin(auth, ssid, pass);


}

void loop() 
{
  
  float h = dht.readHumidity();
  float t = dht.readTemperature();
  float f = dht.readTemperature(true);
  if (isnan(h) || isnan(t) || isnan(f)) 
  {
    Serial.println(F("Failed to read from DHT sensor!"));
    return;
  }
  float hif = dht.computeHeatIndex(f, h);
  float hic = dht.computeHeatIndex(t, h, false);

  Serial.print(F("Humidity: "));
  Serial.print(h);
  Serial.print(F("%  Temperature: "));
  Serial.println(t);
  
  Blynk.virtualWrite(V0,t);
  display.clearDisplay();
  display.setCursor(0,0);
  display.print("Temperature:");
  display.print(t);
  display.display(); 
  delay(100);
  Blynk.run();
  if(SW_Mode == 0)
  {
    if(t>=30)
    {
      digitalWrite(Relay,HIGH);
      myservo.write(90);
    }
    else
    {
      digitalWrite(Relay,LOW);
      myservo.write(0);
    }
      display.display(); 
  }
  else
  {
    if(SW_Relay == 1)
    {
      digitalWrite(Relay,HIGH);
    }
    else
    {
      digitalWrite(Relay,LOW);
    }
    if(SW_Servo == 1)
    {
      myservo.write(90);
    }
    else
    {
      myservo.write(0);
    }
      display.display(); 
  }
  
}

BLYNK_WRITE(V1)
{   
  SW_Mode = param.asInt(); 
}

BLYNK_WRITE(V2)
{   
  SW_Relay = param.asInt(); 
}

BLYNK_WRITE(V3)
{   
  SW_Servo = param.asInt(); 
}