#include <Wire.h>
#include <LiquidCrystal_I2C.h>

LiquidCrystal_I2C lcd(0x27, 16, 2);

String comp;
int btn1 = 13;
int btn2 = 12;
int btn3 = 11;

int buttonState;
int buttonState2;
int buttonState3;

int randcom;

void setup() {
  // put your setup code here, to run once:
lcd.begin(16, 2);
lcd.backlight();
lcd.init();
lcd.setCursor(3, 0);
  lcd.print("Jack n' Poy");
  lcd.setCursor(0, 1);
  lcd.print("Press the Button!");
randomSeed(analogRead(0));
}

void loop() {
  // put your main code here, to run repeatedly:
buttonState = digitalRead(buttonState);
buttonState2 = digitalRead(buttonState2);
buttonState3 = digitalRead(buttonState3);

if (buttonState == 1){
  delay(100);
  lcd.clear();
  delay(200);
  randcom = random(1, 4);
  switch(randcom){
    case 1:
    comp = "PAPER";
    break;
    case 2:
    comp = "ROCK";
    break;
    case 3:
    comp = "SCISSOR";
    break;
  }
  lcd.setCursor(0, 0);
  lcd.print("Player: PAPER");
  lcd.setCursor(0, 1);
  lcd.print("Computer:");
  lcd.setCursor(0, 9);
  lcd.print(comp);
}
else if (buttonState2 == 1){
  delay(100);
  lcd.clear();
  delay(200);
  randcom = random(1, 4);
  switch(randcom){
    case 1: 
    comp = "PAPER";
    break;
    case 2: 
    comp = "ROCK";
    break;
    case 3:
    comp = "SCISSOR";
    break;
  }
  lcd.setCursor(0, 0);
  lcd.print("Player: ROCK");
  lcd.setCursor(0, 1);
  lcd.print("Computer:");
  lcd.setCursor(9, 1);
  lcd.print(comp);
}
else if (buttonState3 == 1){
  delay(100);
  lcd.clear();
  delay(200);
  randcom = random(1, 4);
  switch(randcom){
    case 1:
    comp = "PAPER";
    break;
    case 2:
    comp = "ROCK";
    break;
    case 3:
    comp = "SCISSOR";
    break;
  }
  lcd.setCursor(0, 0);
  lcd.print("Player: SCISSOR");
  lcd.setCursor(0, 1);
  lcd.print("Computer:");
  lcd.setCursor(9, 1);
  lcd.print(comp);
}
else 
{
  delay(200);
}
}