#include <DHTesp.h>;
//wifi and thingspeak library include
#include <WiFi.h>
#include <ThingSpeak.h>

DHTesp dht;
TempAndHumidity data;

// Thingspeak connectivity variable Declaration
char ssid[] = "Wokwi-GUEST";
char pass[] = "";
WiFiClient client;
unsigned long myChannelNumber = 2710402;
const char * myWriteAPIKey = "RCZV7QMKC2L92QST";
int statusCode;

void setup() {
  Serial.begin(115200);

  //wifi and thingspeak mode setup
  WiFi.mode(WIFI_STA);
  ThingSpeak.begin(client);

  dht.setup(26,DHTesp::DHT22);
}

void loop() {
  //wifi connection setup
   if(WiFi.status() != WL_CONNECTED)
  {
  Serial.print("Attempting to connect");
    while(WiFi.status() != WL_CONNECTED)
    {
    WiFi.begin(ssid, pass); 
    Serial.print(".");
    delay(5000);
    }
  Serial.println("\nConnected.");
  }

  data=dht.getTempAndHumidity();
  Serial.println("humidity: " + String(data.humidity));
  Serial.println("Temp: " + String(data.temperature));
  delay(10); // this speeds up the simulation

  ThingSpeak.setField(1, data.humidity);
  ThingSpeak.setField(2, data.temperature);

  //Thingspeak response
  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(15000);

}