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

#define TRIGGER_PIN 12
#define ECHO_PIN 14
#define MAX_DISTANCE 200

NewPing sonar(TRIGGER_PIN, ECHO_PIN, MAX_DISTANCE);

const char* host = "http://10.5.50.75/sitepat/connection.php";

void setup() {
  Serial.begin(115200);
  WiFi.disconnect();
  WiFi.begin("Wokwi-GUEST", "");
  while (WiFi.status() != WL_CONNECTED) { 
    delay(300);
    Serial.print(".");
  }
  Serial.println("");
  Serial.println("WiFi connected");
  Serial.println("IP address: ");
  Serial.println(WiFi.localIP());
}

void loop() {
  unsigned int distance = sonar.ping_cm();
  Serial.print("Jarak: ");
  Serial.print(distance);
  Serial.println("cm");

  // Mengirim data ke server PHP
  if (WiFi.status() == WL_CONNECTED) {
    HTTPClient http;
    
    String url = "http://";
    url += host;
    url += "/connection.php";
    url += "?distance=";
    url += String(distance);
    
    http.begin(url);
    int httpResponseCode = http.GET();
    if (httpResponseCode > 0) {
      Serial.print("Respon dari server PHP: ");
      String response = http.getString();
      Serial.println(response);
    } else {
      Serial.print("Error code: ");
      Serial.println(httpResponseCode);
    }
    http.end();
  }

  delay(1000);
}