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

#define DHTPIN 2  // Pin yang terhubung ke sensor DHT22
#define DHTTYPE DHT22  // Jenis sensor DHT (DHT11, DHT22, DHT21)
#define BUZZER_PIN 8  // Pin untuk buzzer
#define LED_MODERATE_QUALITY 13
#define LED_GOOD_QUALITY 10
#define LED_POOR_QUALITY 11
#define BUTTON_PIN 7  // Pin untuk tombol push
#define SERVO_PIN 9  // Pin untuk servo

DHT dht(DHTPIN, DHTTYPE);
LiquidCrystal_I2C lcd(0x27, 16, 2);  // Alamat I2C LCD
Servo myservo;

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

void setup() {
  Serial.begin(9600);
  dht.begin();
  lcd.init();
  lcd.backlight();
  pinMode(BUZZER_PIN, OUTPUT);
  pinMode(LED_GOOD_QUALITY, OUTPUT);
  pinMode(LED_MODERATE_QUALITY, OUTPUT);
  pinMode(LED_POOR_QUALITY, OUTPUT);
  pinMode(BUTTON_PIN, INPUT_PULLUP);
  myservo.attach(SERVO_PIN);
  myservo.write(0);  // Inisialisasi servo ke posisi awal (kanopi terbuka)

  lcd.clear();
  lcd.setCursor(0, 0);
  lcd.print("Suhu      : ");
  lcd.setCursor(0, 1);
  lcd.print("Kelembaban: ");
}

void loop() {
  float temperature = dht.readTemperature();
  float humidity = dht.readHumidity();

  if (isnan(temperature) || isnan(humidity)) {
    lcd.setCursor(0, 1);
    lcd.print("Gagal membaca");
    delay(2000);
    lcd.setCursor(0, 1);
    lcd.print("sensor DHT22   ");
    delay(2000);
    return;
  }

  lcd.setCursor(11, 0);
  lcd.print(temperature);

  lcd.setCursor(11, 1);
  lcd.print(humidity);

  buttonState = digitalRead(BUTTON_PIN);

    if (buttonState == LOW) {
      resetArduino();
  }

  lastButtonState = buttonState;

  if (temperature >= 10 && temperature <= 40 && humidity >= 40 && humidity <= 70) {
    digitalWrite(BUZZER_PIN, LOW);
    digitalWrite(LED_GOOD_QUALITY, HIGH);
    digitalWrite(LED_MODERATE_QUALITY, LOW);
    digitalWrite(LED_POOR_QUALITY, LOW);
    myservo.write(0);
  } else if ((temperature >= 10 && temperature <= 30) || (humidity >= 45 && humidity <= 65)) {
    digitalWrite(BUZZER_PIN, LOW);
    digitalWrite(LED_GOOD_QUALITY, LOW);
    digitalWrite(LED_MODERATE_QUALITY, HIGH);
    digitalWrite(LED_POOR_QUALITY, LOW);
    myservo.write(90);
  } else {
    digitalWrite(BUZZER_PIN, HIGH);
    digitalWrite(LED_GOOD_QUALITY, LOW);
    digitalWrite(LED_MODERATE_QUALITY, LOW);
    digitalWrite(LED_POOR_QUALITY, HIGH);
    myservo.write(180);
  }

  delay(500);  // Delay sebelum pembacaan selanjutnya
}

// Fungsi untuk melakukan reset Arduino
void resetArduino() {
  asm volatile ("  jmp 0");
}