#include <LiquidCrystal_I2C.h>
#include <NewPing.h>
#include <IRremote.h>
const int MAX_DISTANCE = 400;
LiquidCrystal_I2C lcd(0x27, 16, 2);

const int buttonPin1 = 2;    // Pin tombol 1
const int buttonPin2 = 3;    // Pin tombol 2
const int TRIGGER_PIN = 4;
const int ECHO_PIN = 5;
NewPing sonar(TRIGGER_PIN, ECHO_PIN, MAX_DISTANCE);
const int RECV_PIN = 1;
IRrecv irrecv(RECV_PIN);
decode_results results;
int menu=0;
int hasil=0;
int sensor=7; 
int sensor_value; 
unsigned long pressStartTime;
char ulang;

bool button1Pressed = false; 
bool button2Pressed = false; 
bool statusmenu1=false; 
bool statusmenu2=false; 
bool statusmenu3=false; 
bool statusmenu4=false; 
bool statusmenu5=false;
bool statusmenu6=false;
bool statusmenu7=false;
bool backTomenu1=false; 

void setup() {
  // put your setup code here, to run once:
lcd.init ();
Serial.begin(9600);
pinMode(sensor,INPUT);
pinMode(buttonPin1, INPUT_PULLUP);
pinMode(buttonPin2, INPUT_PULLUP);
irrecv.enableIRIn();
  irrecv.blink13(true);

lcd.setCursor (0,0);
  lcd.print ("KOMPOR UPI!!");
  lcd.setCursor (0,1);
  lcd.print ("Shevila CAK.002.23.16");
  lcd.setCursor(0, 0);
for (int i=0; i<21; i++){
    lcd.scrollDisplayLeft();
    delay (300);
  }
}

void loop() {
  // put your main code here, to run repeatedly:
  
  
  // Serial.println(digitalRead(buttonPin));
  if (digitalRead(buttonPin1)==0){
    menu++;
    lcd.println(menu);
    delay(300);
  }
   if (digitalRead(buttonPin2)==0){
    hasil++;
    lcd.println(hasil);
    button2Pressed = !button2Pressed;
    delay(300);
  }

  switch (menu) {
          case 1:
          if(statusmenu1==false){
            lcd.clear();
            lcd.setCursor (0,0);
            lcd.print ("Menu :");
            Serial.println("Menu :");
            statusmenu1=true;
          }
           else {
            lcd.setCursor (7,0);
            lcd.println("          ");
          }
            break;
          case 2:
          if(statusmenu2==false){
            lcd.clear();
            lcd.setCursor (0,0);
            lcd.print ("> LDR");
            Serial.println("LDR");
            statusmenu2=true;
            // Perform action for Option 1 
          }
          if (button2Pressed==true){ 
            int sensorValue = analogRead(A0);
            //mencetak nilai yang terbaca pada serial monitor
            lcd.setCursor (12,0);
            lcd.println(sensorValue); 
            }
          else {
            lcd.setCursor (12,0);
            lcd.println("                    ");
          }
            break;
          case 3:
          if(statusmenu3==false){
            lcd.clear();
            lcd.setCursor (0,1);
            lcd.print ("> HCSR04");
            Serial.println("HCSR04");
            statusmenu3=true;
            // Perform action for Option 2
          }
          if (button2Pressed==true){ 
          // Baca jarak menggunakan sensor ultrasonic
          lcd.print(sonar.ping_cm());
          // Tampilkan jarak di LCD
            lcd.setCursor(13, 1);
            }
          else {
            lcd.setCursor (12, 1);
            lcd.println("                    ");
          }
            break;
          case 4:
          if(statusmenu4==false){
            lcd.clear();
            lcd.setCursor (0,0);
            lcd.print ("> PIR");
            Serial.println("PIR");
            statusmenu4=true;
            // Perform action for Option 3
            delay(50);
          }
          if (button2Pressed==true){ 
            // membaca nilai dari pin 7
            int sensorValue = digitalRead(sensor); 
            lcd.setCursor (14,0);
            lcd.println(sensor_value);
            }
          else {
            lcd.setCursor (14,0);
            lcd.println("           ");
          }
            break;
          case 5:
          if(statusmenu5==false){
            lcd.clear();
            lcd.setCursor (0,1);
            lcd.print ("> IR");
            Serial.println("INFRARED");
            statusmenu5=true;
          }
            // Perform action for Option 4
          if(button2Pressed==true){
            (irrecv.decode(&results));
            lcd.setCursor (8,1);
            lcd.println(results.value, HEX);
            irrecv.resume();
          }
            else {
            lcd.setCursor (8,1);
            lcd.println("              ");
          }
            break;
          case 6:
          if(statusmenu6==false){
            lcd.clear();
            lcd.setCursor (0,0);
            lcd.println("> Kembali");
            statusmenu6=true;
          }
          if(button2Pressed==true){
            lcd.setCursor (11,0);
            lcd.println("                       ");
            menu = 1; // Kembali ke menu awal
            hasil = 1; // Reset hasil
            statusmenu1 = false;
            statusmenu2 = false;
            statusmenu3 = false;
            statusmenu4 = false;
            statusmenu5 = false;
            statusmenu6 = false;
            statusmenu7 = false;
            lcd.clear();
          }
           else {
            lcd.setCursor (11,0);
            lcd.println("                 ");
          }
          break;
          case 7:
          if(statusmenu7==false){
            lcd.clear();
            lcd.setCursor (0,1);
            lcd.print ("> End              ");
            statusmenu7=true;
          }
          if(button2Pressed==true){
            lcd.setCursor (0,0);
            lcd.print ("KOMPOR UPI=============");
            lcd.setCursor (0,1);
            lcd.print ("Kreatif,Produktif,Inovatif");
            lcd.scrollDisplayLeft();
          }
          break;
    
          default:
            Serial.println("Invalid choice. Please try again.");
            break;
        }
  delay(10);
}