#define LED_PIN_1 2
#define LED_PIN_2 4
#define LED_PIN_3 5
#define LED_PIN_4 12
#define LED_PIN_5 14
#define LED_PIN_6 18
#define LED_PIN_7 19
#define LED_PIN_8 21

#define LED_NUMBER 8

#if defined(ESP8266)
#include <ESP8266WiFi.h>
#elif defined(ESP32)
#include <WiFi.h>
#endif

#define WIFI_SSID           "Wokwi-GUEST"
#define WIFI_PASSWORD       ""

#define SERIAL_DEBUG_BAUD   115200
int status = WL_IDLE_STATUS;

byte LEDPinArray[LED_NUMBER] = { LED_PIN_1,
                                 LED_PIN_2,
                                 LED_PIN_3,
                                 LED_PIN_4,
                                 LED_PIN_5,
                                 LED_PIN_6,
                                 LED_PIN_7,
                                 LED_PIN_8 };

int LEDIndex = 0;

void initAllLEDs()
{
  for (int i = 0; i < LED_NUMBER; i++) {
    pinMode(LEDPinArray[i], OUTPUT);
  }
}
void powerOnSelectedLEDOnly(int index)
{
  for (int i = 0; i < LED_NUMBER; i++) {
    if (i == index) {
      digitalWrite(LEDPinArray[i], HIGH);
    }
    else {
      digitalWrite(LEDPinArray[i], LOW);
    }
  }
}
void toggleNextLED()
{
  LEDIndex++;
  if (LEDIndex >= LED_NUMBER) {
    LEDIndex = 0;
  }
  powerOnSelectedLEDOnly(LEDIndex);
}

void InitWiFi()
{
  Serial.println("Connecting to AP ...");

  WiFi.begin(WIFI_SSID, WIFI_PASSWORD);
  while (WiFi.status() != WL_CONNECTED) {

    delay(100);
    digitalWrite(LEDPinArray[LEDIndex], HIGH);
    toggleNextLED();
    Serial.print(".");
    
  }
  Serial.println("Connected to AP");
}

void reconnect() {
  status = WiFi.status();
  if ( status != WL_CONNECTED) {
    WiFi.begin(WIFI_SSID, WIFI_PASSWORD);
    while (WiFi.status() != WL_CONNECTED) {
      delay(500);
      digitalWrite(LEDPinArray[LEDIndex], HIGH);
      toggleNextLED();
      Serial.print(".");
    }
    Serial.println("Connected to AP");
  }
}
void powerOnAllLEDs(bool powerOn)
{
  for (int i = 0; i < LED_NUMBER; i++) {
    if (powerOn) {
      digitalWrite(LEDPinArray[i], HIGH);
    }
    else {
      digitalWrite(LEDPinArray[i], LOW);
    }
  }
}

void setup()
{
  initAllLEDs();
  Serial.begin(SERIAL_DEBUG_BAUD);
  Serial.println();
  InitWiFi();
}
void loop() 
{
  delay(1000);
 
  if (WiFi.status() != WL_CONNECTED) {
    reconnect();
  }
  else {
    Serial.print("WiFi sudah terkoneksi dengan ");
    Serial.println(WIFI_SSID);
    Serial.print("IP: ");
    Serial.println(WiFi.localIP());
    powerOnAllLEDs(true);
  delay(1000);
  powerOnAllLEDs(false);
  delay(500);
  }
}