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

Servo jemuran;
LiquidCrystal_I2C lcd(0x27, 16, 2);

const int sensorPin = A0;
const int switchHujan = 2;

const int ledHijau = 6;
const int ledMerah = 7;

int batasCahaya = 500;

void setup() {
  Serial.begin(9600);

  jemuran.attach(9);

  pinMode(switchHujan, INPUT_PULLUP);
  pinMode(ledHijau, OUTPUT);
  pinMode(ledMerah, OUTPUT);

  lcd.init();
  lcd.backlight();

  lcd.setCursor(0, 0);
  lcd.print("JEMURAN PINTAR");
  lcd.setCursor(0, 1);
  lcd.print("System Ready");
  delay(2000);
  lcd.clear();

  jemuran.write(0);
}

void loop() {
  int cahaya = analogRead(sensorPin);
  int kondisiHujan = digitalRead(switchHujan);

  Serial.print("Cahaya: ");
  Serial.println(cahaya);

  if (kondisiHujan == LOW) {
    jemuran.write(0);
    digitalWrite(ledHijau, LOW);
    digitalWrite(ledMerah, HIGH);

    lcd.clear();
    lcd.setCursor(0, 0);
    lcd.print("HUJAN TERDETEKSI");
    lcd.setCursor(0, 1);
    lcd.print("JEMURAN TUTUP");
  } 
  else {
    if (cahaya < batasCahaya) {
      jemuran.write(90);
      digitalWrite(ledHijau, HIGH);
      digitalWrite(ledMerah, LOW);

      lcd.clear();
      lcd.setCursor(0, 0);
      lcd.print("CUACA CERAH");
      lcd.setCursor(0, 1);
      lcd.print("JEMURAN BUKA");
    } 
    else {
      jemuran.write(0);
      digitalWrite(ledHijau, LOW);
      digitalWrite(ledMerah, HIGH);

      lcd.clear();
      lcd.setCursor(0, 0);
      lcd.print("CUACA MENDUNG");
      lcd.setCursor(0, 1);
      lcd.print("JEMURAN TUTUP");
    }
  }

  delay(500);
}