// Learn about the ESP32 WiFi simulation in
// https://docs.wokwi.com/guides/esp32-wifi

#include <WiFi.h>
#include <Wire.h>
#include <Servo.h>
#include <LiquidCrystal_I2C.h>

LiquidCrystal_I2C LCD = LiquidCrystal_I2C(0x27, 16, 2);
int ledPin = 26;
int servoPin = 5;
Servo myservo;

#define NTP_SERVER     "pool.ntp.org"
#define UTC_OFFSET     0
#define UTC_OFFSET_DST 0

void bubblesort(){

  // int arr[] = {5,2,4,1,0};
  int arr[5];
  
  for(int i=0;i<5;i++){
    arr[i] = Serial.read();
  }

  for(int i=0;i<5;i++){
    int counter=0;
    for(int j=i;j<5;j++){

      if(arr[i]>arr[j]){
        int temp = arr[i];
        arr[i] = arr[j];
        arr[j] = temp;
        counter++;
      }

    }

    for(int k=1;k<6;k++){
       LCD.setCursor(k, 0);
       LCD.println(arr[k-1]);
    }

    for(int k=0;k<5;k++){
      digitalWrite(ledPin, HIGH);
      delay(500);
      digitalWrite(ledPin, LOW);
    }

    delay(5000);
  }

  for(int i=0;i<360;i++){
    servo.write((i));
    delay(100);
  }

  
}

void printLocalTime() {
  struct tm timeinfo;
  if (!getLocalTime(&timeinfo)) {
    LCD.setCursor(0, 1);
    LCD.println("Connection Err");
    return;
  }

  LCD.setCursor(8, 0);
  LCD.println(&timeinfo, "%H:%M:%S");

  LCD.setCursor(0, 1);
  LCD.println(&timeinfo, "%d/%m/%Y   %Z");
}

void setup() {
  Serial.begin(115200);
  pinMode((ledPin, OUTPUT));
  myservo.attach(servoPin);

  LCD.init();
  LCD.backlight();
  LCD.setCursor(0, 0);
  LCD.print("Connecting to ");
  LCD.setCursor(0, 1);
  LCD.print("WiFi ");

  WiFi.begin("Wokwi-GUEST", "", 6);
  while (WiFi.status() != WL_CONNECTED) {
    delay(250);
    // spinner();
  }

  Serial.println("");
  Serial.println("WiFi connected");
  Serial.print("IP address: ");
  Serial.println(WiFi.localIP());

  LCD.clear();
  LCD.setCursor(0, 0);
  LCD.println("Online");
  LCD.setCursor(0, 1);
  LCD.println("Updating time...");

  configTime(UTC_OFFSET, UTC_OFFSET_DST, NTP_SERVER);
}

void loop() {
  printLocalTime();
  delay(250);
}