#define BLYNK_TEMPLATE_ID "TMPL3LfQEa7Wh"
#define BLYNK_TEMPLATE_NAME "home automation"
#define BLYNK_AUTH_TOKEN "Aotyiq82Ix0jxVt_lgAB7Yr4rb6a_k1K"

#define BLYNK_PRINT Serial
#include <WiFi.h>
#include<WiFiClient.h>
#include<BlynkSimpleEsp32.h>
#include"DHTesp.h"
#include <DHT.h>
#define DHTPIN 15         // Mention the digital pin where you connected 
#define DHTTYPE DHT22     // DHT 11  
DHT dht(DHTPIN, DHTTYPE);

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

BlynkTimer timer;


const int dev1 = 23;
const int dev2 = 22;
const int dev3 = 21;
const int dev4 = 19;
const int dev5 = 18;

const int button1 = 2;

int relay1 = 0;
int relay2 = 0;
int relay3 = 0;
int relay4 = 0;
int relay5 = 0;

#define vpin0 V0
#define vpin1 V1
#define vpin2 V2
#define vpin3 V3
#define vpin4 V4

BLYNK_CONNECTED(){
  Blynk.syncVirtual(vpin0);
  Blynk.syncVirtual(vpin1);
  Blynk.syncVirtual(vpin2);
  Blynk.syncVirtual(vpin3);
  Blynk.syncVirtual(vpin4);
}

BLYNK_WRITE(vpin0){
  relay1 = param.asInt();
  digitalWrite(dev1,relay1);
}
BLYNK_WRITE(vpin1){
  relay2 = param.asInt();
  digitalWrite(dev2,relay2);
}
BLYNK_WRITE(vpin2){
  relay3 = param.asInt();
  digitalWrite(dev3,relay3);
}
BLYNK_WRITE(vpin3){
  relay4 = param.asInt();
  digitalWrite(dev4,relay4);
}
BLYNK_WRITE(vpin4){
  relay5 = param.asInt();
  digitalWrite(dev5,relay5);
}


void setup()
{
  pinMode(dev1,OUTPUT);
  pinMode(dev2,OUTPUT);
  pinMode(dev3,OUTPUT);
  pinMode(dev4,OUTPUT);
  pinMode(dev5,OUTPUT);
  pinMode(button1, INPUT_PULLUP);
  

  Serial.begin(115200);
  digitalWrite(dev1,HIGH);
  digitalWrite(dev2,HIGH);
  digitalWrite(dev3,HIGH);
  digitalWrite(dev4,HIGH);
  digitalWrite(dev5,HIGH);
  delay(1000);
  digitalWrite(dev1,LOW);
  digitalWrite(dev2,LOW);
  digitalWrite(dev3,LOW);
  digitalWrite(dev4,LOW);
  digitalWrite(dev5,LOW);
  delay(1000);
 
  dht.begin();
  timer.setInterval(2000L, sendSensor);
  Blynk.begin(auth,ssid,pass);
}

void button_status(){
  //Serial.println(digitalRead(button1));
  if(digitalRead(button1) == LOW){
   delay(500);
   controlButton(1);
   Blynk.virtualWrite(vpin1,relay1);
  }
  
}
void controlButton(int relayIn){
  if(relayIn == 1){
    relay1 =! relay1;
    digitalWrite(dev1,relay1);
    delay(100);
  }
  
}
void loop(){
  Blynk.run();
  timer.run();
  button_status();
  
}

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;
  }

  Blynk.virtualWrite(V1, h);
  Blynk.virtualWrite(V4, t);
  Serial.print("Temperature : ");
  Serial.print(t);
  Serial.print("    Humidity : ");
  Serial.println(h);

}