#include <Wire.h>
#include <LiquidCrystal_I2C.h>
#include <DHT.h>

// Inisialisasi LCD dan DHT22
LiquidCrystal_I2C lcd(0x27, 16, 2);
#define DHTPIN 33
#define DHTTYPE DHT22
DHT dht(DHTPIN, DHTTYPE);

const int buttonPin = 27;
String mode = "Inkubasi";

int buttonState = 0;
int lastButtonState = 0;
unsigned long lastDebounceTime = 0;
unsigned long debounceDelay = 50;
bool confirmModeChange = false;

void setup() {
  pinMode(buttonPin, INPUT);
  Serial.begin(115200);
  lcd.init();
  lcd.backlight();
  dht.begin();
  displayCurrentMode();
}

void loop() {
  // Membaca status tombol dengan debounce
  int reading = digitalRead(buttonPin);

  if (reading != lastButtonState) {
    lastDebounceTime = millis();
  }

  if ((millis() - lastDebounceTime) > debounceDelay) {
    if (reading != buttonState) {
      buttonState = reading;

      if (buttonState == HIGH) {
        if (confirmModeChange) {
          // Konfirmasi perubahan mode
          if (mode == "Inkubasi") {
            mode = "Produksi";
          } else {
            mode = "Inkubasi";
          }
          Serial.println("Mode: " + mode);
          displayCurrentMode();
          confirmModeChange = false;
        } else {
          // Tampilkan pesan konfirmasi
          lcd.clear();
          lcd.setCursor(0, 0);
          lcd.print("Ubah mode ke");
          lcd.setCursor(0, 1);
          lcd.print(mode == "Inkubasi" ? "Produksi?" : "Inkubasi?");
          confirmModeChange = true;
        }
      }
    }
  }

  lastButtonState = reading;
  
  // Baca suhu setiap siklus loop
  displayCurrentMode();
  
  delay(1000); // Penundaan singkat untuk menghindari terlalu banyak pembacaan
}

void displayCurrentMode() {
  float suhu = dht.readTemperature();
  lcd.clear();
  lcd.setCursor(0, 0);
  lcd.print("MODE: ");
  lcd.print(mode);
  lcd.setCursor(0, 1);
  lcd.print("Suhu: ");
  lcd.print(suhu);
  lcd.print(" C");
}