//Magpayo, Carlyne Roy B.
//G10-A
#include <Wire.h> 
#include <LiquidCrystal_I2C.h>

LiquidCrystal_I2C lcd(0x27,20,4);  // set the LCD address to 0x27 for a 16 chars and 2 line display

int buttonG = 6;
int buttonR = 7;
int buttonB = 8;
int stateButtonG = 0;
int stateButtonR = 0;
int stateButtonB = 0;
int randNumber;

void setup()
{
  lcd.init();                      // initialize the lcd 
  lcd.init();
  pinMode(6, INPUT);
  pinMode(7, INPUT);
  pinMode(8, INPUT);
  randomSeed(analogRead(0));
}


void loop()
{
    // Print a message to the LCD.
  lcd.backlight();
  lcd.setCursor(1,0);
  lcd.print("Jack 'N Poy");
  
  randNumber = random(0, 3);
  //randNumber = 1;
  //0,G = scissors
  //1,R = rock
  //2,B = paper
  stateButtonG = digitalRead(buttonG);
  stateButtonR = digitalRead(buttonR);
  stateButtonB = digitalRead(buttonB);

  if(stateButtonG==HIGH)
  {
    lcd.clear();
    lcd.setCursor(1,0);
    lcd.print("YOU SELECT:");
    lcd.setCursor(1,1);
    lcd.print("SCISSORS");
    delay(1000);

    
    if(randNumber == 0)
    {
      lcd.clear();
      lcd.setCursor(1,0);
      lcd.print("AI SELECT:");
      lcd.setCursor(1,1);
      lcd.print("SCISSORS");
      delay(1000);
      lcd.clear();
      lcd.setCursor(1,0);
      lcd.print("IT'S A DRAW");
    }
    else if(randNumber == 1)
    {
      lcd.clear();
      lcd.setCursor(1,0);
      lcd.print("AI SELECT:");
      lcd.setCursor(1,1);
      lcd.print("ROCK");
      delay(1000);
      lcd.clear();
      lcd.setCursor(1,0);
      lcd.print("YOU LOSE");
    }
    else if(randNumber == 2)
    {
      lcd.clear();
      lcd.setCursor(1,0);
      lcd.print("AI SELECT:");
      lcd.setCursor(1,1);
      lcd.print("PAPER");
      delay(1000);
      lcd.clear();
      lcd.setCursor(1,0);
      lcd.print("YOU WIN");
    }
    delay(3000);
  }

  // ROCK

  else if(stateButtonR==HIGH)
{
    lcd.clear();
    lcd.setCursor(1,0);
    lcd.print("YOU SELECT:");
    lcd.setCursor(1,1);
    lcd.print("ROCK");
    delay(1000);

    
    if(randNumber == 0)
    {
      lcd.clear();
      lcd.setCursor(1,0);
      lcd.print("AI SELECT:");
      lcd.setCursor(1,1);
      lcd.print("SCISSORS");
      delay(1000);
      lcd.clear();
      lcd.setCursor(1,0);
      lcd.print("YOU WIN");
    }
    else if(randNumber == 1)
    {
      lcd.clear();
      lcd.setCursor(1,0);
      lcd.print("AI SELECT:");
      lcd.setCursor(1,1);
      lcd.print("ROCK");
      delay(1000);
      lcd.clear();
      lcd.setCursor(1,0);
      lcd.print("IT'S A DRAW");
    }
    else if(randNumber == 2)
    {
      lcd.clear();
      lcd.setCursor(1,0);
      lcd.print("AI SELECT:");
      lcd.setCursor(1,1);
      lcd.print("PAPER");
      delay(1000);
      lcd.clear();
      lcd.setCursor(1,0);
      lcd.print("YOU LOSE");
    }
    delay(3000);
  }

  // SCISSORS

  else if(stateButtonB==HIGH)
 {
    lcd.clear();
    lcd.setCursor(1,0);
    lcd.print("YOU SELECT:");
    lcd.setCursor(1,1);
    lcd.print("PAPER");
    delay(1000);

    
    if(randNumber == 0)
    {
      lcd.clear();
      lcd.setCursor(1,0);
      lcd.print("AI SELECT:");
      lcd.setCursor(1,1);
      lcd.print("SCISSORS");
      delay(1000);
      lcd.clear();
      lcd.setCursor(1,0);
      lcd.print("YOU LOSE");
    }
    else if(randNumber == 1)
    {
      lcd.clear();
      lcd.setCursor(1,0);
      lcd.print("AI SELECT:");
      lcd.setCursor(1,1);
      lcd.print("ROCK");
      delay(1000);
      lcd.clear();
      lcd.setCursor(1,0);
      lcd.print("YOU WIN");
    }
    else if(randNumber == 2)
    {
      lcd.clear();
      lcd.setCursor(1,0);
      lcd.print("AI SELECT:");
      lcd.setCursor(1,1);
      lcd.print("PAPER");
      delay(1000);
      lcd.clear();
      lcd.setCursor(1,0);
      lcd.print("IT'S A DRAW");
    }
    delay(3000);
  }
}