#include <FirebaseESP32.h>
#include <WiFi.h>
#include <RTClib.h>
#include <LiquidCrystal_I2C.h>

LiquidCrystal_I2C lcd(0x27, 16, 2); // I2C address 0x27, 16 column and 2 rows
RTC_DS1307 rtc;

#define WIFI_SSID "Wokwi-GUEST" // your wifi SSID
#define WIFI_PASSWORD ""        // your wifi PASSWORD

#define LedPin 16                                       // pin d0 as toggle pin
#define RelayPin1 25                                   // Relay 1 control pin
#define RelayPin2 33                                   // Relay 2 control pin
#define RelayPin3 36                                   // Relay 3 control pin
#define RelayPin4 32                                   // Relay 4 control pin

#define FIREBASE_HOST"https://toggle-button-84080-default-rtdb.firebaseio.com" // change here
#define FIREBASE_AUTH"luSbqSmBR4sACQnfdDzxETeVNiY0Kq3bjcCqh1EQ"               // change here
FirebaseData firebaseData;

int lastLedStatus[4] = {0}; // Array to store the last known status for each LED

const int relayPins[] = {25,26,32,33};
const int numRelays = sizeof(relayPins) / sizeof(relayPins[0]);

void setup()
{
  Serial.begin(115200);
  lcd.backlight();
  lcd.init();
  lcd.setCursor(1,0);
  lcd.print("CONTROL BOARD");
  lcd.setCursor(1,1);
  lcd.print("NORXEL");  delay(2000); lcd.clear(); 
  Serial.println("program siap");

  // Inisialisasi RTC
  if (!rtc.begin()) {
    Serial.println("Couldn't find RTC");
    while (1);
  }

  // Cek apakah RTC berjalan, jika tidak, atur waktu RTC
  if (!rtc.isrunning()) {
    Serial.println("RTC is NOT running, let's set the time!");
    rtc.adjust(DateTime(F(__DATE__), F(__TIME__)));
  }

  pinMode(LedPin, OUTPUT);
  pinMode(RelayPin1, OUTPUT);
  pinMode(RelayPin2, OUTPUT);
  pinMode(RelayPin3, OUTPUT);
  pinMode(RelayPin4, OUTPUT);

  Serial.begin(9600);
  // connect to wifi.
  WiFi.begin(WIFI_SSID, WIFI_PASSWORD);
  Serial.print("connecting");
  while (WiFi.status() != WL_CONNECTED)
  {
    Serial.print(".");
    delay(500);
  }
  Serial.println();
  Serial.print("connected: ");
  Serial.println(WiFi.localIP());
  Firebase.begin(FIREBASE_HOST, FIREBASE_AUTH);
  Firebase.reconnectWiFi(true);
}

void loop()
{
  DateTime now = rtc.now();

  // Tampilkan waktu pada LCD
  lcd.setCursor(0, 0);
  lcd.print("Time: ");
  printDigits(now.hour());
  lcd.print(':');
  printDigits(now.minute());
  lcd.print(':');
  printDigits(now.second());

  // Tampilkan hari dan tanggal pada LCD
  lcd.setCursor(0, 1);
  lcd.print("Date: ");
  printDigits(now.day());
  lcd.print('/');
  printDigits(now.month());
  lcd.print('/');
  lcd.print(now.year(), DEC);

  // Cek apakah hari ini Senin sampai Jumat
  if (now.dayOfTheWeek() >= 1 && now.dayOfTheWeek() <= 5) {  // Monday to Friday
    int currentTime = now.hour() * 100 + now.minute();

    if (currentTime >= 1430 && currentTime < 1431) {
      // Turn on relays
      for (int i = 0; i < numRelays; i++) {
        digitalWrite(relayPins[i], HIGH);
      }
    } else {
      // Turn off relays
      for (int i = 0; i < numRelays; i++) {
        digitalWrite(relayPins[i], LOW);
      }
     }
   } 
   else {
    // Turn off relays on weekends
   for (int i = 0; i < numRelays; i++) {
     // digitalWrite(relayPins[i], LOW);
   }
  }
  delay(1000);  // Tunggu satu detik sebelum melakukan pengecekan kembali

  readAndUpdateLedStatus("/Led3Status", 0, RelayPin1);
  readAndUpdateLedStatus("/Led1Status", 1, RelayPin2);
  readAndUpdateLedStatus("/Led2Status", 2, RelayPin3);
  readAndUpdateLedStatus("/Led4Status", 3, RelayPin4);
  // You can add more logic here if needed.
}

void printDigits(int digits) {
  // Tambahkan leading zero jika diperlukan
  if (digits < 10)
    lcd.print('0');
  lcd.print(digits);
}

void readAndUpdateLedStatus(const char *path, int index, int relayPin)
{
  if (Firebase.getString(firebaseData, path))
  {
    String ledstatus = firebaseData.stringData();
    int currentStatus = ledstatus.toInt();
    if (currentStatus == 1)
    {
      Serial.println("on" + String(index + 1));
      digitalWrite(relayPin, HIGH); // Turn on the relay
    }
    else
    {
      Serial.println("off" + String(index + 1));
      digitalWrite(relayPin, LOW); // Turn off the relay
    }
    lastLedStatus[index] = currentStatus; // Update the last known status
  }
  else
  {
    Serial.print("Error in getInt, ");
    Serial.println(firebaseData.errorReason());
  }
}