#include <DHTesp.h>
#include <WiFi.h>
#include<ThingSpeak.h>
DHTesp dhtsensor;
TempAndHumidity data;
const int dhtin=27;
const int echo=14;
const int trig=12;
float distance;
float duration;
char ssid[]="Wokwi-GUEST";
char pass[]="";
WiFiClient client;
unsigned long myChannelNumber=2628743;
const char*myWriteAPIKey="APHNVOMNXFR39CXY";
int statusCode;
void setup() {
  Serial.begin(115200);
  pinMode(trig, OUTPUT);
  pinMode(echo, INPUT);
  dhtsensor.setup(dhtin,DHTesp::DHT22);
  WiFi.mode(WIFI_STA);
  ThingSpeak.begin(client);
  delay(1000);
}
float getdistance()
{
  digitalWrite(trig, LOW);
  delayMicroseconds(2);
  digitalWrite(trig, HIGH);
  delayMicroseconds(10);
  digitalWrite(trig,LOW);
  duration=pulseIn(echo,HIGH);
  return {duration*0.034/2};
}
void getWifi()
{
  if (WiFi.status()!=WL_CONNECTED)
  {
    Serial.print("Attenmpting To connect");
    while(WiFi.status()!=WL_CONNECTED)
    {
      WiFi.begin(ssid,pass);
      Serial.print(".");
      delay(5000);
    }
  }
  Serial.println(("\nConnected"));
}
void loop() {
  getWifi();
  data=dhtsensor.getTempAndHumidity();
  ThingSpeak.setField(2,data.humidity);
  ThingSpeak.setField(1,data.temperature);
  ThingSpeak.setField(3,distance);
  statusCode = ThingSpeak.writeFields(myChannelNumber, myWriteAPIKey);

  Serial.println("Humidity   :"+String(data.humidity));
  Serial.println("Temperature :"+String(data.temperature));
  distance=getdistance();
  Serial.println("distance:"+String(distance));
  Serial.println("<------------------------------>");
  delay(1000); 
  Serial.println("      ");
  delay(1000); 
  if (statusCode==200){
    Serial.println("Channel updated");
  }
  else{
    Serial.println(("Problem Updating Channel"));}
}