int btnG = 7; int btnR = 8; int btnY = 9;

int btnGState; int btnRState; int btnYState;

int ai;

int wait = 500;

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

  pinMode(btnG, INPUT);
  pinMode(btnR, INPUT);
  pinMode(btnY, INPUT);

  randomSeed(analogRead(0));

  Serial.begin(9600);
}


void loop() {
  // put your main code here, to run repeatedly:

  btnGState = digitalRead(btnG);
  btnRState = digitalRead(btnR);

  btnYState = digitalRead(btnY);

  ai = random(1, 4);

  //ROCK
  if (btnGState == 1) {
    Serial.println("PLAYER: ROCK");
    delay(wait);


    if (ai == 1) {
      Serial.println("AI: ROCK");
      delay(wait);
      Serial.println("ITS A TIE");
      Serial.println("=================");
      delay(wait);
    } else if (ai == 2) {
      Serial.println("AI: SCISSORS");
      delay(wait);
      Serial.println("YOU WIN");
      Serial.println("=================");
      delay(wait);
    } else if (ai == 3) {
      Serial.println("AI: PAPER");
      delay(wait);
      Serial.println("YOU LOSE");
      Serial.println("=================");
      delay(wait);
    }
  }


  //PAPER
  if (btnRState == 1) {
    Serial.println("PLAYER: PAPER");
    delay(wait);


    if (ai == 1) {
      Serial.println("AI: PAPER");
      delay(wait);
      Serial.println("ITS A TIE");
      Serial.println("=================");
      delay(wait);
    } else if (ai == 2) {
      Serial.println("AI: SCISSORS");
      delay(wait);
      Serial.println("YOU LOSE");
      Serial.println("=================");
      delay(wait);
    } else if (ai == 3) {
      Serial.println("AI: ROCK");
      delay(wait);
      Serial.println("YOU WIN");
      Serial.println("=================");
      delay(wait);
    }
  }

 //SCISSOR
  if (btnYState == 1) {
    Serial.println("PLAYER: SCISSOR");
    delay(wait);


    if (ai == 1) {
      Serial.println("AI: SCISSOR");
      delay(wait);
      Serial.println("ITS A TIE");
      Serial.println("=================");
      delay(wait);
    } else if (ai == 2) {
      Serial.println("AI: ROCK");
      delay(wait);
      Serial.println("YOU LOSE");
      Serial.println("=================");
      delay(wait);
    } else if (ai == 3) {
      Serial.println("AI: PAPER");
      delay(wait);
      Serial.println("YOU WIN");
      Serial.println("=================");
      delay(wait);
    }
  }


}