#define BLYNK_TEMPLATE_ID "TMPL35PZJ6E9e"
#define BLYNK_TEMPLATE_NAME "Smart building"
#define BLYNK_AUTH_TOKEN "XNnvBukWlk91RTaGB9xKi5Ye8ZtGUlPB"

#define BLYNK_PRINT Serial 

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

char auth[] = BLYNK_AUTH_TOKEN; // Corrected token assignment

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

BlynkTimer timer;
DHTesp dhtSensor;
const int dev1 = 23;
const int dev2 = 22;
const int dev3 = 21;
const int dev4 = 19;
const int dht=17;
const int b=5

int relay_s_dev1 = 0; // Corrected variable name
int relay_s_dev2 = 0; // Corrected variable name
int relay_s_dev3 = 0; // Corrected variable name
int relay_s_dev4 = 0; // Corrected variable name

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

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

BLYNK_WRITE(vpin1) {
  relay_s_dev1 = param.asInt(); // Corrected parameter name
  digitalWrite(dev1, relay_s_dev1);
}

BLYNK_WRITE(vpin2) {
  relay_s_dev2 = param.asInt(); // Corrected parameter name
  digitalWrite(dev2, relay_s_dev2);
}

BLYNK_WRITE(vpin3) {
  relay_s_dev3 = param.asInt(); // Corrected parameter name
  digitalWrite(dev3, relay_s_dev3);
}

BLYNK_WRITE(vpin4) {
  relay_s_dev4 = param.asInt(); // Corrected parameter name
  digitalWrite(dev4, relay_s_dev4);
}

void send_dht_val(){
  TempAndHumidity data = dhtSensor.getTempAndHumidity();
  float temp=data.temperature;
  Blynk.virtualWrite(V5,temp);
}

void setup() {
  pinMode(dev1, OUTPUT);
  pinMode(dev2, OUTPUT);
  pinMode(dev3, OUTPUT);
  pinMode(dev4, OUTPUT);
  pinMode(b, INPUT_PULLUP);
  dhtSensor.setup(dht,DHTesp::DHT22);

  Serial.begin(115200); 
  digitalWrite(dev1, HIGH);
  digitalWrite(dev2, HIGH);
  digitalWrite(dev3, HIGH);
  digitalWrite(dev4, HIGH);    
  delay(1000);
  digitalWrite(dev1, LOW);
  digitalWrite(dev2, LOW);
  digitalWrite(dev3, LOW);
  digitalWrite(dev4, LOW);   
  delay(1000);
  Blynk.begin(auth, ssid, pass);

}
void button_status(){
  if(digitalRead(b)==LOW){
    delay(500);
    button_control(1);
    Bylink.virtualWrite(vpin1,relay_s_dev1;)
  }
void button_control(int relayIn){
  if(relayIn==1){
    relay_s_dev1 1=relay_s_dev1;
    digitalWrite(relay_s_dev1);

    delay(1000);
  }
}

}

void loop() {
  Blynk.run();
  timer.run();
  button_status();
  timer.setInterval(2000,send_dht_val);
  
}