#include <WiFi.h>
#include <DHTesp.h>
#include <ThingSpeak.h>
WiFiClient client;
 long myChannelNumber =  2647990;
const char * myWriteAPIKey = "X5EWBG0ZXFFWIK17";
int statusCode;
DHTesp dhtSensor;
TempAndHumidity data;
const int DHT_PIN = 21;

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

void setup() {
  // put your setup code here, to run once:
  Serial.begin(115200);
  Serial.println("Hello, ESP32!");
  ThingSpeak.begin(client);
  WiFi.mode(WIFI_STA);
  dhtSensor.setup(DHT_PIN, DHTesp::DHT22);
}

void loop() {
  if(WiFi.status()!=WL_CONNECTED)
  {
    Serial.print("attemping to connect");
    while(WiFi.status()!=WL_CONNECTED)
    {
      WiFi.begin(ssid,pass);
      Serial.print(".");
      delay(5000);
    }
    Serial.println("\n connected");
  }
  data = dhtSensor.getTempAndHumidity();
   Serial.println("Humidity: " + String(data.humidity, 1));
   Serial.println("Temperature: " + String(data.temperature, 2));
   Serial.println("-----------");
   delay(1000);
   
  ThingSpeak.setField(1,data.humidity);
  ThingSpeak.setField(2,data.temperature);
  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));
    }

  // put your main code here, to run repeatedly:
  delay(10); // this speeds up the simulation
}