#include <WiFi.h>
#include <ThingSpeak.h>
#include "DHTesp.h"




#define LED1 14
#define LED2 25
#define LED3 26
#define LED4 27

DHTesp dhtSensor;
TempAndHumidity data;
const int DHT_PIN = 15;
char ssid[] ="Wokwi-GUEST";
char pass[] ="";
WiFiClient client;
unsigned long mychannelnumber =2247845 ;
const char *myWriteAPIKey = "6UNIXFYA4Y2KPZZR";
int statuscode;
long duration;
float distance;




void setup() {
 
  Serial.begin(115200);
  Serial.println("Hello, ESP32!");
  pinMode(4, INPUT_PULLUP);
  pinMode(LED1, OUTPUT);

 pinMode(2, INPUT_PULLUP);
  pinMode(LED2, OUTPUT);

  pinMode(5, INPUT_PULLUP);
  pinMode(LED3, OUTPUT);


  pinMode(19, INPUT_PULLUP);
  pinMode(LED4, OUTPUT);
  


}

void loop() {
  int  a = digitalRead(4);
  Serial.println(a);

  int  b = digitalRead(2);
  Serial.println(b);


   int  c = digitalRead(5);
  Serial.println(c);

  int  d = digitalRead(19);
  Serial.println(d);



  

 


  if(a==1)
  {
   digitalWrite(LED1 , HIGH);
   delay(1000);
   Serial.println("Motion Detected IN PIR SENSOR 1");

   }
   if(a==0)
{

  digitalWrite(LED1 , LOW);
  Serial.println("Motion not detected in PIR SENSOR 1 ");
}
   delay(1000);


  if(b==1)
  {
   digitalWrite(LED2 , HIGH);
   delay(1000);
   Serial.println("Motion Detected IN PIR SENSOR 2");

   }
   if(b==0)
{

  digitalWrite(LED2 , LOW);
  Serial.println("Motion not detected in PIR SENSOR 2 ");
}
   delay(1000);

if(c==1)
  {
   digitalWrite(LED3 , HIGH);
   delay(1000);
   Serial.println("Motion Detected IN PIR SENSOR 3");

   }
   if(c==0)
{
  digitalWrite(LED3 , LOW);
  Serial.println("Motion not detected in PIR SENSOR 3");
}
   delay(1000);


if(d==1)
  {
   digitalWrite(LED4 , HIGH);
   delay(1000);
   Serial.println("Motion Detected IN PIR SENSOR 4");

   }
   if(d==0)
{
  digitalWrite(LED4 , LOW);
  Serial.println("Motion not detected in PIR SENSOR 4");
}
 data = dhtSensor.getTempAndHumidity();
Serial.println("Temperature:" + String(data.temperature,2)+"°c");
Serial.println("Humidity: " + String(data.humidity,1)+ "%");
Serial.println("---");

  if(WiFi.status() != WL_CONNECTED)
  {
    Serial.println("Attempting to connect");
    while(WiFi.status() != WL_CONNECTED)
    {
        WiFi.begin(ssid,pass);
        delay(5000);
    }
Serial.println("\nConnected.");
  }
  ThingSpeak.setField(1,data.humidity);
  ThingSpeak.setField(2,data.temperature);
  ThingSpeak.setField(3,distance);
  statuscode = ThingSpeak.writeFields(mychannelnumber,myWriteAPIKey);

  if(statuscode ==200){
  Serial.println("Channel update successful.");
  }
  else{
    Serial.println("Problem Writing data. HTTP error code :" + String(statuscode));
  }
    delay(15000);

}