#include <WiFi.h>
#include <HTTPClient.h>


const char* ssid = "Wokwi-GUEST";
const char* password = "";
String payload;
const String url = "https://api.thingspeak.com/update?";
String mykey = "MLV9DOGOAT8JY1PY";

HTTPClient http;

void setup() {

  Serial.begin(115200);
  WiFi.begin(ssid, password);

  Serial.print("Connecting to WiFi");
  while (WiFi.status() != WL_CONNECTED) {
    delay(500);
    Serial.print(".");
  }

  Serial.print("OK! IP=");
  Serial.println(WiFi.localIP());
  
  Serial.print("Fetching " + url + "... ");
http.begin(url);

 
}

void loop() {
int x = random(30);
int y = random(100);
http.addHeader("Content_Type","application/x-wwwform-urlencoded");
String httprequestpost = "api_key="+ mykey +"&field1="+String(x)+"&field2="+String(y);
 int httpResponseCode = http.POST(httprequestpost);
  if (httpResponseCode > 0) {
    Serial.print("HTTP ");
    Serial.println(httpResponseCode);
   
// Disconnect
http.end();

  }
  else {
    Serial.print("Error code: ");
    Serial.println(httpResponseCode);
    Serial.println(":-(");
  }



  delay(2000);
}