#include <LiquidCrystal.h>

LiquidCrystal lcd1(12, 11, 10, 9, 8, 7);
LiquidCrystal lcd2(5, 4, 3, 2, 24, 22);

int itera = 1;
int darkCount = 0;
const float GAMMA = 1.2;
const float RL10 = 20.0;

byte light[8] = {
  B11111,
  B11111,
  B11111,
  B11111,
  B11111,
  B11111,
  B11111,
  B11111
};

byte dark[8] = {
  B11111,
  B10001,
  B10001,
  B10001,
  B10001,
  B10001,
  B10001,
  B11111
};

void setup() {
  // put your setup code here, to run once:
  Serial.begin(115200);
  pinMode(53, INPUT);
  pinMode(51, INPUT);
  pinMode(23, INPUT);
  pinMode(25, INPUT);
  pinMode(49, OUTPUT);
  lcd2.createChar(1, light);
  lcd2.createChar(2, dark);
  lcd1.createChar(1, light);
  lcd1.createChar(2, dark);

}

void loop(){

  int analogValue = analogRead(A0);
  float voltage = float(analogValue) / 1024.0 * 5.0;
  float resistance = 2000.0 * voltage / (1.0 - voltage / 5.0);
  float lux = pow(RL10 * 1e3 * pow(10.0, GAMMA) / resistance, (1.0 / GAMMA));
  // put your main code here, to run repeatedly:
  lcd1.home();
  lcd2.home();

  if(digitalRead(53) == HIGH){
    lcd2.clear();

    if(lux >= 20.00)
    {
      lcd1.clear();
      lcd1.setCursor(itera,0);
      lcd1.write(byte(1));
      //lcd1.setCursor(0, 2);
      //lcd1.print("Light");
      darkCount = 0;
    }
    else
    {
      lcd1.clear();
      lcd1.setCursor(itera, 0);
      lcd1.write(byte(2));
      //lcd1.setCursor(0, 2);
      //lcd1.print("Dark!");
      if(lux <= 1){
        delay(10);
      }
      else
      {
      darkCount = darkCount + 1;
      }
    }
    if(lux <= 1)
    {
    lcd1.clear();
    lcd1.setCursor(0,1);
    lcd1.print("Sensor Off ");
    lcd1.print(itera);
    delay(500);
    }
  }
  if(digitalRead(51) == HIGH){
    lcd1.clear();
    lcd2.clear();
    if(digitalRead(25) == HIGH){
      lcd1.print("Light.");
    }
    else
    {
      lcd1.print("Dark!");
    }
    
  }
  if(digitalRead(53) == LOW && digitalRead(51) == LOW){
    lcd1.clear();
    lcd2.clear();
    lcd1.home();
    lcd2.home();
    lcd1.noDisplay();
    lcd2.noDisplay();
    //lcd1.print("Translator Off");
    //lcd2.print("Translator Off");
    digitalWrite(49, LOW);
  }
  else
  {
    digitalWrite(49, HIGH);
    lcd1.display();
    lcd2.display();
  }
  if(darkCount == 5){
    darkCount = 0;
    lcd2.setCursor(0,1);
    lcd2.print("New Word");
    itera = 0;
    delay(2000);
  }
  else
  {
    lcd2.print(darkCount);
  }

  delay(1000);
  itera = itera + 1;
}