#include "DHTesp.h"
#include "WiFi.h"

WiFiClient client;

const int sensorPin = 15;

DHTesp dhtSensor;

String thingSpeakAddress = "api.thingspeak.com";
String request_String;

void setup() {
Serial.begin(115200);
WiFi.disconnect();
WiFi.begin("wokwi-GUEST", "");
while(WiFi.status()!= WL_CONNECTED){
delay(100);
Serial.print(".");
}
Serial.println("");
Serial.println("WiFi connected succesfully");
Serial.println("IP Address");
Serial.println(WiFi.localIP());

dhtSensor.setup(sensorPin, DHTesp::DHT22);
}

void loop(){
delay(1000);  
TempAndHumidity data = dhtSensor.getTempAndHumidity();
float t = data.temperature;
float h = data.humidity;
SendingData_thingspeak(t,h);
if (isnan(h) || isnan(t)){
  Serial.println("Failed to get any data from the sensor, check sensor before processing");
  return;
}
void SendingData_thingspeak(float temp, float hum);
  if (client.connect("api.thingspeak.com",80)){
    request_String = "/update?";
    request_String += "api_key=";
    request_String += "3B70H5B56WCYJMPZ";
    request_String += "&";
    request_String += "field1";
    request_String += "=";
    request_String += temp;

    Serial.println(String("GET") + request_string + "HTTP/1.1\r\m" + "Host:" + thingSpeakAddress + "\r\n" + "Connection: close\r\n\r\n" );
    client.print(String("GET") + request_string + "HTTP/1.1\r\m" + "Host:" + thingSpeakAddress + "\r\n" + "Connection: close\r\n\r\n" );
    
    delay(6000);

    unsigned long timeout = millis();
    while(client.available() == 0){
      if (millis() = timeout >5000)
      Serial.println(">>>>Client Timeout");
      client.stop();
      return;
  }
}
    while(client.available()) {
      String line = client.readStringUntil('\r');
      Serial.print(line);
    }
    Serial.println();
    Serial.println("closing the connection");
} 
}