#define BLYNK_TEMPLATE_ID "TMPL3F1m8rKA_"
#define BLYNK_TEMPLATE_NAME "smart build"
#define BLYNK_AUTH_TOKEN "samAoRcZg6HnsIdN_PSxeDp4Bcd776Rs"
#define BLYNK_PRINT Serial
//defining virtual pin
#define vpin1 V1
#define vpin2 V2
#define vpin3 V3
#define vpin4 V4
#define vpin5 V0
// header files
#include<WiFi.h>
#include<WiFiClient.h>
#include<BlynkSimpleEsp32.h>
#include"DHTesp.h"


// all pins 
const int pb_r=2;//bushbutton red
const int pb_y=4;//bushbutton yellow
const int pb_g=27;//bushbutton green
const int pb_black=35;//bushbutton buzzer
const int led_r=18;
const int led_y=21;
const int led_g=23;
const int buzzer1=22;
const int buzzer2=19;
const int dht=15; // temperature sensor

int rel_s1=0;
int rel_s2=0;
int rel_s3=0;
int rel_s4=0;
int rel_s5=0;

char auth[]=BLYNK_AUTH_TOKEN;

// wifi crediencials
char ssid[]="Wokwi-GUEST";
char pass[]="";

BlynkTimer timer;
DHTesp dhtSensor;

// function blynk connected
BLYNK_CONNECTED()
{
  Blynk.syncVirtual(vpin1);
  Blynk.syncVirtual(vpin2);
  Blynk.syncVirtual(vpin3);
  Blynk.syncVirtual(vpin4);
  Blynk.syncVirtual(vpin5);
}

BLYNK_WRITE(vpin1)
{
  rel_s1=param.asInt();
  digitalWrite(led_r,rel_s1);
}
BLYNK_WRITE(vpin2)
{
  rel_s2=param.asInt();
  digitalWrite(buzzer1,rel_s2);
}
BLYNK_WRITE(vpin3)
{
  rel_s3=param.asInt();
  digitalWrite(led_y,rel_s3);
}
BLYNK_WRITE(vpin4)
{
  rel_s4=param.asInt();
  digitalWrite(buzzer2,rel_s4);
}
BLYNK_WRITE(vpin5)
{
  rel_s5=param.asInt();
  digitalWrite(led_g,rel_s5);
}
// function for Dht22 sensor 
void temp_humidity()
{
  TempAndHumidity data = dhtSensor.getTempAndHumidity();
  float temp=data.temperature;
  float humidity=data.humidity;
  Blynk.virtualWrite(V6,temp);
  Blynk.virtualWrite(V7,humidity);

}


void setup() 
{
  Serial.begin(115200);
  dhtSensor.setup(dht,DHTesp::DHT22);
  Blynk.begin(auth,ssid,pass);
  // pushbtn
  pinMode(pb_r, INPUT_PULLUP);
  pinMode(pb_y, INPUT_PULLUP);
  pinMode(pb_g, INPUT_PULLUP);
  pinMode(pb_black, INPUT_PULLUP);

  // leds and buzzer
  pinMode(led_r, OUTPUT);
  pinMode(buzzer1, OUTPUT);
  pinMode(led_y, OUTPUT);
  pinMode(buzzer2, OUTPUT);
  pinMode(led_g, OUTPUT);
  // starting once
  digitalWrite(led_r, HIGH);
  digitalWrite(buzzer1, HIGH);
  digitalWrite(led_y, HIGH);
  digitalWrite(buzzer2, HIGH);
  digitalWrite(led_g, HIGH);
  delay(100);
  digitalWrite(led_r,LOW);
  digitalWrite(buzzer1,LOW);
  digitalWrite(led_y,LOW);
  digitalWrite(buzzer2,LOW);
  digitalWrite(led_g,LOW);
  delay(100);
}
// function for knowing button status and blynk virtual btn status
void pushbtn_st()
{    Serial.println(digitalRead(pb_r));

  if(digitalRead(pb_r)==LOW)
  {
    delay(500);
    control_btn(1);
    Blynk.virtualWrite(vpin1,rel_s1);
  }
  else if(digitalRead(pb_y)==LOW)
  {
    delay(500);
    control_btn(2);
    Blynk.virtualWrite(vpin3,rel_s3);
  }
  else if(digitalRead(pb_g)==LOW)
  {
    delay(500);
    control_btn(3);
    Blynk.virtualWrite(vpin5,rel_s5);
  }
 
  
}
//function for btn controll
void control_btn(int rel_in)
{
  if(rel_in == 1)
  {
    // led relay control
    rel_s1 =!rel_s1;
    digitalWrite(led_r,rel_s1);
  }
  if(rel_in == 2)
  {
    // led relay control
    rel_s3 =!rel_s3;
    digitalWrite(led_y,rel_s3);
  }
  if(rel_in == 3)
  {
    // led relay control
    rel_s5 =!rel_s5;
    digitalWrite(led_g,rel_s5);
  }
 
}

void loop() {
  Blynk.run();
  timer.run();
  pushbtn_st();
  timer.setInterval(2000,temp_humidity);
}