/* Mini Project
 * Title: Mini Project
 * Author: Muhammad Farhan Bin Hasrizan
 * Date: [1/12/2023]
 */

//libarys
#include <WiFi.h>
#include <NTPClient.h>
#include <WiFiUdp.h>
#include <LiquidCrystal_I2C.h>


//setting lcd i2c 16*22
LiquidCrystal_I2C lcd(0x27, 16, 2);

//ntp setting
WiFiUDP ntpUDP;
NTPClient timeClient(ntpUDP, "asia.pool.ntp.org", 28800, 60000);

//wifi setting wokwi only for real device please change your ssid and password
WiFiClient  client;
const char *ssid     = "Wokwi-GUEST";
const char *password = "";

const int led_red = 17;
const int led_yellow = 16;
const int led_green = 4;

void setup() {
  // put your setup code here, to run once:
  Serial.begin(115200);
  Serial.println("Hello, ESP32!");
  //serial monitor enable

  //lcd test
//
lcd.init();
  lcd.backlight();
  lcd.setCursor(0,0);
  lcd.print("mini project");
  lcd.setCursor(0,1);
  lcd.print("By Farhan_2023");
  delay(100);
  //lcd.clear();
 
 //connecting to ssid notification  
   WiFi.disconnect();
   WiFi.begin(ssid, password);
   Serial.println();
   Serial.println();
   Serial.print("Connecting to ");
   Serial.println(ssid);
   WiFi.begin(ssid, password);


//check wifi status 
   while (WiFi.status() != WL_CONNECTED) {
    delay(50);
    Serial.print(".");
  }
  Serial.println("");
  Serial.print(" connected to wifi...");
  Serial.println(ssid);
  Serial.println();

  //PIN LED AS output
  pinMode(led_red, OUTPUT); // initialize digital ledPin as an output.
  pinMode(led_green, OUTPUT); // initialize digital ledPin as an output.
  pinMode(led_yellow, OUTPUT); // initialize digital ledPin as an output.
}

void loop() {

 //enable ntp
  timeClient.update();
  Serial.println(timeClient.getFormattedTime());
  //delay(1000);

  //LED DISPLAY FOR TIME
  lcd.setCursor(0,0);
  lcd.print("Time: ");
  lcd.print(timeClient.getFormattedTime());
  
  lcd.setCursor(0,1);
  /*lcd.print((char)223);
  lcd.print(F("C"));*/

  //LED DISPLAY FOR LED 1,2,3 ONN/OFF
  lcd.print("L1:");
  lcd.print(digitalRead(led_red));
  lcd.print(", ");
lcd.print("L2:");
  lcd.print(digitalRead(led_yellow));
  lcd.print(", ");
 lcd.print("L3:");
  lcd.print(digitalRead(led_green));
  lcd.print("");


  //status display
if ( timeClient.getSeconds() >=1 && timeClient.getSeconds() < 21){

    digitalWrite( led_red,HIGH);
    lcd.print("L1:ON");
} else {digitalWrite(led_red, LOW);
    lcd.print("L1:OFF");}

if ( timeClient.getSeconds() >=21 && timeClient.getSeconds() < 41){

    digitalWrite( led_yellow,HIGH);
    lcd.print("L2:ON");
} else {digitalWrite(led_yellow, LOW);
    lcd.print("L2:OFF");}

  if ( timeClient.getSeconds() >=41 && timeClient.getSeconds() < 56){

    digitalWrite( led_green,HIGH);
    lcd.print("L3:ON");
} else {digitalWrite(led_green, LOW);
    lcd.print("L3:OFF");}  


  // Time seconds for led onn/off.
 delay(1);


//timeClient.getSeconds()

// LED 1 (Check The Timer From 1 - 20 second) 
if(timeClient.getSeconds() >= 1 && timeClient.getSeconds() <= 20) {
    digitalWrite(led_red,HIGH);

// LED 2 (The Timer From 21 - 40 second)
} else if (timeClient.getSeconds() >= 21 && timeClient.getSeconds() <= 40) {
    digitalWrite(led_yellow,HIGH);

// LED 3 (Check The Timer From 41 - 55 second FOR LED 3 ONN)
} else if (timeClient.getSeconds() >= 41 && timeClient.getSeconds() <= 55) {
    digitalWrite(led_green,HIGH);
    
//ALL LED (Check The Timer From 56 - 60 second)
}else if (timeClient.getSeconds() >= 56 && timeClient.getSeconds() >=1 ) {
    digitalWrite(led_red,HIGH);
    digitalWrite(led_yellow,HIGH);
    digitalWrite(led_green,HIGH);

}
}