#include <Servo.h>
#include <LiquidCrystal.h>

//Initialize Pins
LiquidCrystal lcd(13, 12, 11, 10, 9, 8);
int ledR = 7;
int ledG = 6;
int inputPIR = 5;
int SWR = 4;
int SWG = 2;

//Initialize States
int val = 0; 
int close = 0;
int open = 180;
int pirState = LOW;
int keystateR = LOW;
int keystateG = LOW;
Servo myservo;

void setup()
{
  pinMode(ledR, OUTPUT);
  pinMode(ledG, OUTPUT);
  pinMode(SWR, INPUT);
  pinMode(SWG, INPUT);
  pinMode(inputPIR, INPUT);
  lcd.begin(16, 2);
  myservo.attach(3);
  myservo.write(close);
  digitalWrite(ledR, HIGH);
}
void loop()
{
  keystateR = digitalRead(SWR);
  keystateG = digitalRead(SWG);
  if (keystateG == HIGH && keystateR == LOW)
  {
    myservo.write(open);
    digitalWrite(ledR, LOW);
    digitalWrite(ledG, HIGH);
    delay(500);
    lcd.clear();
    lcd.setCursor(0, 0);
    lcd.print("Insert Can");
    lcd.println();
    val = digitalRead(inputPIR);  
    if (val == HIGH && keystateR == LOW)
    {
      myservo.write(close);
      digitalWrite(ledG, LOW);
      digitalWrite(ledR, HIGH);
      delay(2000);
      lcd.clear();
      lcd.setCursor(0, 0);
      lcd.print("Processing");
      lcd.println();
      delay(2000);
      lcd.clear();
      lcd.setCursor(0, 0);
      lcd.print("You earn ?");
      lcd.println();
      delay(2000);
    }
    else if (val == LOW && keystateR == HIGH)
    {
      return;
    }
  }
  else if (keystateR == HIGH && keystateG == LOW)
  {
    delay(1500);
    digitalWrite(ledR, HIGH);
    digitalWrite(ledG, LOW);
    delay(1000);
    lcd.clear();
    lcd.print("dfg");
    lcd.println();
  }
}