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

const char* ssid = "Wokwi-GUEST";
const char* password = "";
const char* serverAddress = "http://127.0.0.1:1880"; // Change this to your Node-RED server's IP address
const char* endpoint = "/temp-sensor"; // Change this to your Node-RED endpoint

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

  // Connect to Wi-Fi
  WiFi.begin(ssid, password);
  while (WiFi.status() != WL_CONNECTED) {
    delay(1000);
    Serial.println("Connecting to WiFi...");
  }
  Serial.println("Connected to WiFi");  
}

void loop() {
  // Send data to Node-RED server
  sendDataToNodeRed(5);
  delay(5000);
}

void sendDataToNodeRed(int value) {
  HTTPClient http;

  // Construct URL
  String url = String(serverAddress);
  url.concat(endpoint);

  // Construct data to send
  String data = "value=";
  data.concat(String(value));

  // Start HTTP connection
  http.begin(url);
  http.addHeader("Content-Type", "application/x-www-form-urlencoded");

  // Send POST request with data
  int httpResponseCode = http.POST(data);

  if (httpResponseCode > 0) {
    Serial.print("HTTP Response code: ");
    Serial.println(httpResponseCode);
  } else {
    Serial.print("Error code: ");
    Serial.println(httpResponseCode);
  }

  // End HTTP connection
  http.end();
}