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

const int ledPin = 13;
const int echoPin = 2;
const int trigPin = 15;

int jarak = 0;

const char* ssid = "Wokwi-GUEST";
const char* pass = "";
const char* host = "kelasiot.smks-sanjayabajawa.sch.id";

void setup() {
  Serial.begin(115200);
  pinMode(ledPin, OUTPUT);
  pinMode(echoPin, INPUT);
  pinMode(trigPin, OUTPUT);

  WiFi.begin(ssid, pass);
  Serial.println("connecting ,,,,,,,,");
  while(WiFi.status() != WL_CONNECTED){
    Serial.print(".");
  }
  Serial.println("Connected");

}

float readDistance() {
  digitalWrite(trigPin, LOW);
  delayMicroseconds(2);
  digitalWrite(trigPin, HIGH);
  delayMicroseconds(10);
  digitalWrite(trigPin, LOW);
  float duration = pulseIn(echoPin, HIGH);
  return duration * 0.034 /2;

}


void loop() {
  Serial.print("Jarak Objek saat ini adalah : ");
  jarak = readDistance();
  Serial.println(jarak);

  WiFiClient client;
  const int httpPort = 80;
  if(!client.connect(host, httpPort)) {
    Serial.println("gagal terhubung ke host / server");
    return;
  }
  Serial.println("berhasil koneksi ke host");

  //fungsi ultrasonic
  String kirim;
  HTTPClient http;
  kirim = "http://" +String(host)+ "/insertdatajarak.php?jarak=" +String(jarak);
  http.begin(client, kirim);
  http.GET();


  //fungsi led
  String query;
  HTTPClient httpRelay;
  query = "http://" +String(host)+ "/cek_led.php";
  httpRelay.begin(client, query);
  httpRelay.GET();

  String responRelay = httpRelay.getString();
  Serial.println(responRelay);
  httpRelay.end();

  digitalWrite(ledPin, responRelay.toInt());
}