#include <Wire.h>
#include <LiquidCrystal_I2C.h>
#define LDR_PIN A0
#define LED_hijau 13
#define LED_biru 12
#define LED_merah 11
#define LED_kuning 10
#define LED_putih 9
#define LED_ungu 8
#define LED_pink 6
#define tombol 7
const float GAMMA = 0.7;
const float RL10 = 50;
int status = 0 ;
int cahaya = 0 ;
int gerak = 0 ;
LiquidCrystal_I2C lcd (0x27, 20, 4);

void setup() {
  // put your setup code here, to run once:

  //lcd awal
  lcd.init ();
  lcd.backlight ();
  lcd.setCursor(3, 1);
  lcd.print("LAMPU OTOMATIS");
  //lcd selesai

  //INPUT awal
  pinMode(LDR_PIN, INPUT);
  Serial.begin(9600);
  pinMode(4, INPUT);
  pinMode (tombol, INPUT);
  //INPUT selesai

  //OUTPUT awal
  pinMode (LED_hijau, OUTPUT);
  pinMode (LED_biru, OUTPUT);
  pinMode (LED_merah, OUTPUT);
  pinMode (LED_kuning, OUTPUT);
  pinMode (LED_putih, OUTPUT);
  pinMode (LED_ungu, OUTPUT);
  pinMode (LED_pink, OUTPUT);
  for(int x=9; x<=13; x++)
  {
    pinMode(x, OUTPUT);
  }
  //OUTPUT selesai

  //LED awal
  digitalWrite (LED_hijau, LOW);
  digitalWrite (LED_biru, LOW);
  digitalWrite(LED_merah, LOW);
  digitalWrite (LED_kuning, LOW);
  digitalWrite(LED_putih, LOW);
  digitalWrite (LED_ungu, LOW);
  digitalWrite(LED_pink, LOW);
  //LED SELESAI
  
}


void loop() {
  // put your main code here, to run repeatedly:
  int analogValue = analogRead(A0);
  float voltage = analogValue / 1024. * 5;
  float resistance = 2000 * voltage / (1 - voltage / 5);
  float lux = pow(RL10 * 1e3 * pow(10, GAMMA) / resistance, (1 / GAMMA));
  gerak = digitalRead(4);

  //SENSOR TOMBOL awal
  if(digitalRead(tombol)==HIGH ){
    status ++ ;
    delay (500);
  }

  else if (status == 1){
    for (int x=9; x<=13; x++ )
    {
      digitalWrite(x , HIGH);
      delay(500);
      digitalWrite(x, LOW);
    }
    
    for (int x=13; x>=9; x-- )
    {
      digitalWrite(x , HIGH);
      delay(500);
      digitalWrite(x, LOW);
    }
   } 
   
   else if (status == 2)
  {
   status = 0 ;
  }

  else 
  {
    digitalWrite(status == 1, LOW);
  }
  //SENSOR TOMBOL selesai
   
  
  //sensor CAHAYA awal
  if (lux < 60)
  {
    Serial.print("mati");
    digitalWrite(LED_hijau, LOW);
    digitalWrite(LED_biru, LOW);
    digitalWrite(LED_merah, LOW);
    digitalWrite(LED_kuning, LOW);
    digitalWrite(LED_putih, LOW);
  }
  
  if (lux >= 60 && lux < 160)
  {
    Serial.print("Cahaya Gelap ");
    digitalWrite(LED_hijau, HIGH);
    digitalWrite(LED_biru, LOW);
    digitalWrite(LED_merah, LOW);
    digitalWrite(LED_kuning, LOW);
    digitalWrite(LED_putih, LOW);

  }

  if (lux >= 160 && lux < 260)
  {
    Serial.print("Cahaya redup ");
    digitalWrite(LED_hijau, LOW);
    digitalWrite(LED_biru, HIGH);
    digitalWrite(LED_merah, LOW);
    digitalWrite(LED_kuning, LOW);
    digitalWrite(LED_putih, LOW);
  }

  if (lux >= 260 && lux < 360)
  {
    Serial.print("Cahaya Normal ");
    digitalWrite(LED_hijau, LOW);
    digitalWrite(LED_biru, LOW);
    digitalWrite(LED_merah, HIGH);
    digitalWrite(LED_kuning, LOW);
    digitalWrite(LED_putih, LOW);
  }

  if (lux >= 360 && lux < 460)
  {
    Serial.print("Cahaya agak terang ");
    digitalWrite(LED_hijau, LOW);
    digitalWrite(LED_biru, LOW);
    digitalWrite(LED_merah, LOW);
    digitalWrite(LED_kuning, HIGH);
    digitalWrite(LED_putih, LOW);
  }

  if (lux >= 460)
  {
    Serial.print("Cahaya Tereng ");
    digitalWrite(LED_hijau, LOW);
    digitalWrite(LED_biru, LOW);
    digitalWrite(LED_merah, LOW);
    digitalWrite(LED_kuning, LOW);
    digitalWrite(LED_putih, HIGH);
  }

  Serial.print("lux: ");
  Serial.println(lux);
  delay(400);
  //sensor CAHAYA selesai
  
  //sensor gerakan awal
  if (gerak == HIGH)
  {
    Serial.println("Ada Gerakan ");
    digitalWrite(LED_ungu, HIGH);
    digitalWrite(LED_pink, LOW);
    
  }

  if (gerak == LOW)
  {
    Serial.println("tidak Ada Gerakan ");
    digitalWrite(LED_ungu, LOW);
    digitalWrite(LED_pink, HIGH);
  }
  delay(700);
  //sensor gerakan selesai

}