#include <WiFi.h>

// Konfigurasi WiFi Wokwi
const char* ssid = "Wokwi-GUEST";
const char* password = "";

WiFiServer server(80);

// Definisi Pin LED
const int led1 = 18;
const int led2 = 19;
const int led3 = 20;
const int led4 = 21;

void setup() {
  Serial.begin(115200);
  
  // Set pin sebagai OUTPUT
  pinMode(led1, OUTPUT);
  pinMode(led2, OUTPUT);
  pinMode(led3, OUTPUT);
  pinMode(led4, OUTPUT);

  // Koneksi ke WiFi
  Serial.print("Connecting to WiFi");
  WiFi.begin(ssid, password);
  while (WiFi.status() != WL_CONNECTED) {
    delay(500);
    Serial.print(".");
  }
  Serial.println("\nConnected!");
  Serial.print("IP Address: ");
  Serial.println(WiFi.localIP());

  server.begin();
}

void loop() {
  WiFiClient client = server.available();

  if (client) {
    String request = client.readStringUntil('\r');
    client.flush();

    // Logika Kontrol LED
    if (request.indexOf("/led/1/on") != -1) digitalWrite(led1, HIGH);
    if (request.indexOf("/led/1/off") != -1) digitalWrite(led1, LOW);
    
    if (request.indexOf("/led/2/on") != -1) digitalWrite(led2, HIGH);
    if (request.indexOf("/led/2/off") != -1) digitalWrite(led2, LOW);
    
    if (request.indexOf("/led/3/on") != -1) digitalWrite(led3, HIGH);
    if (request.indexOf("/led/3/off") != -1) digitalWrite(led3, LOW);
    
    if (request.indexOf("/led/4/on") != -1) digitalWrite(led4, HIGH);
    if (request.indexOf("/led/4/off") != -1) digitalWrite(led4, LOW);

    // HTTP Response
    client.println("HTTP/1.1 200 OK");
    client.println("Content-type: text/plain");
    client.println("Connection: close");
    client.println();
    client.println("OK");
    client.stop();
  }
}