// LCD
#include<LiquidCrystal_I2C.h>
#include<Wire.h>
// Remote IR
#include <IRremote.h>
// Ultrasonic
#include <Ultrasonic.h>
// Servo
#include <Servo.h>

Servo myservo; // create servo object to control a servo
// int angle = 0; // variable to store the servo position

int buzzerPin = 11;
LiquidCrystal_I2C lcd(0x27,16,2);
String nama = "Buanglah Sampah Pada Tempatnya";
String cur = ""; int start = 0;

bool status = true;

const int RECV_PIN = 2;
const int NUM_OF_BUTS = 21;
long BUTTON_CODES[NUM_OF_BUTS] = {
  16729530,
  16730040,
  16729275,
  16728255,
  16729020,
  16713720,
  16717290,
  16714230,
  16717545,
  16718310,
  16715250,
  16714995,
  16718055,
  16735905,
  16713975,
  16719075,
  16734885,
  16728765,
  16732845,
  16730805
};

String BUTTON_NAMES[NUM_OF_BUTS] = {
  "POWER","MENU","Test","VOL+","BACK",
  "PREV/LEFT","PAUSE/MUTE","NEXT/RIGTH",
  "0","VOL-","CH","1","2","3","4","5","6","7","8","9"
};

int findButton(long val){
  for(int i = 0; i < NUM_OF_BUTS; i++){
    if(val == BUTTON_CODES[i]){ 
      return i;
    }
  }
  return val;
}

IRrecv irrecv(RECV_PIN);
decode_results results;

// Ultrasonic
Ultrasonic ultrasonic(6, 7);
int distance;

void setup(){
  Serial.begin(9600);
  
  // ir remote
  irrecv.enableIRIn(); // Start the receiver
  // LCD
  lcd.init();
  lcd.setCursor(0,0);
  pinMode(11, OUTPUT);
  myservo.attach(12);
  
  lcd.print("SMART TRASH BIN");
}

String jam ="";
void loop() {
  
  // Remote dan IR untuk control
  if (irrecv.decode(&results)) {
    //Serial.println(results.value, HEX);
    int button_id = findButton(results.value);
    // Serial.println(results);
    if (button_id <0) {
      Serial.println("Unknown button is pressed!");
    } else {
      Serial.print("Button ");
      Serial.print(BUTTON_NAMES[button_id]);
      Serial.println(" is pressed!");
      if(BUTTON_NAMES[button_id] == "Test"){
        lcd.setCursor(0,1);
        
        lcd.print("Silahkan dibuang");
        
        openTrash();
        delay(1000);
        // jam = "18:00";
      }
      else if (BUTTON_NAMES[button_id] == "POWER"){
        if (status == true){
          status = false;
          offTrash();
        } else {
          status = true;
          onTrash();
        }
        
      }
      // action kalo pencet tombol
    }
    irrecv.resume(); // Receive the next value
  }

  // Ultrasonic detec jarak
  distance = ultrasonic.read(CM);

  Serial.print("Distance in CM: ");
  Serial.println(distance);

  distance = ultrasonic.read(INC);

  Serial.print("Distances: ");
  Serial.println(distance);

  // servo gerak kalo distance sekian
  // if(1 == 1){
   
  // }

  // LCD
  lcd.backlight();
  for (int i=start; i<start+16; i++){
    cur = cur + nama[i];
  }
  if (start == 35){ start = -1; }
  if (status == true){
    lcd.setCursor(0,1);
    lcd.print(cur);
  }
  start++;
  cur = "";

  // waktu buang sampah
  // jam = "17:00";
  if (jam == "18:00"){
    // lcd.print("Kosongin Saya :(");
    tone(11, 200);
    delay(500);
    noTone(11);
  }
  

  delay(500);
}

void openTrash(){
  // nyalain buzzer belum bisa
  // tone(buzzerPin, 200);
  // tone(buzzerPin, 200);
  myservo.write(-90);
  delay(2000);
  myservo.write(90);
  irrecv.resume();
}

void offTrash(){
  lcd.setCursor(0,0);
  lcd.print("    +     +     ");
  lcd.setCursor(0,1);
  lcd.print("       O        ");
  delay(500);
  lcd.setCursor(0,0);
  lcd.print("    -     -     ");
  lcd.setCursor(0,1);
  lcd.print("    -------     ");
  delay(500);
  lcd.setCursor(0,0);
  lcd.print("    +     +     ");
  lcd.setCursor(0,1);
  lcd.print("      ---    ");
  delay(500);
  lcd.setCursor(0,0);
  lcd.print("    -     -     ");
  lcd.setCursor(0,1);
  lcd.print("       -     ");
  delay(500);
  lcd.setCursor(0,0);
  lcd.print("    -     -     ");
  lcd.setCursor(0,1);
  lcd.print("      ___     ");
  delay(1000);
  lcd.setCursor(0,0);
  lcd.print("    TIME FOR    ");
  lcd.setCursor(0,1);
  lcd.print("     SLEEP      ");
  delay(2000);
}

void onTrash(){
  lcd.setCursor(0,0);
  lcd.print("SMART TRASH BIN");
}