#include <DHTesp.h>
#include<WiFi.h>
char ssid[]="Wokwi-GUEST";
char pass[]="";
#include <ThingSpeak.h>
WiFiClient client;
long myChannelNumber =2616849;
const char * myWriteAPIKey = "J0ZHNYRY2VP00CGU";
int statusCode;

int trig=12;
int echo=26;
float d;

DHTesp AMMU;
TempAndHumidity data;

void setup() {
 
  Serial.begin(115200);
  AMMU.setup(18,DHTesp::DHT22);
  pinMode(trig, OUTPUT);
  pinMode(echo, INPUT);
  WiFi.mode(WIFI_STA);
  ThingSpeak.begin(client);
  
}
int ultrasonic()  {
  digitalWrite(trig,LOW);
  delay(10);
  digitalWrite(trig,HIGH);
  delay(100);
  digitalWrite(trig, LOW);
  d=pulseIn(echo, HIGH);
  return(d*0.034/2)+1;
  delay(1000);
}

void loop() {
  if(WiFi.status()!=WL_CONNECTED)
  {
    Serial.print("Attempting to Connect");
    while(WiFi.status() !=WL_CONNECTED)
    {
      Serial.print("");
      WiFi.begin(ssid,pass);
      delay(5000);
    }
    Serial.println("\n Connected");
  }

  delay(10);
 data=AMMU.getTempAndHumidity();
 Serial.println("humidity : " + String(data.humidity));
 Serial.println("temperature : " + String(data.temperature));
 Serial.println(" distance : " +String(ultrasonic()));
 Serial.println("-----------------");
 delay(1000);
 
  ThingSpeak.setField(1, data.temperature);
   ThingSpeak.setField(2, data.humidity);
    ThingSpeak.setField(3, ultrasonic());

  statusCode = ThingSpeak.writeFields(myChannelNumber,myWriteAPIKey);

if(statusCode == 200) { //successful writing code
Serial.println("Channel update successful.");
}
else {
Serial.println("Problem Writing data. HTTP error code :" +
String(statusCode));
}
  delay(10); // this speeds up the simulation
}