int buttonR=4;
int buttonR1=3;
int buttonR2=2;
int buttonRState;
int buttonR1State;
int buttonR2State;
int aiMove;
int player;
int score = 0;
int ledPin1 = 8;
int ledPin2 = 9;
int ledPin3 = 10;
int ledPin4 = 11;
int highScore = 0;

#include <Wire.h>
#include <LiquidCrystal_I2C_STEM.h>
#include <EEPROM.h>

LiquidCrystal_I2C_STEM lcd(0x27,16,2);

bool needNewMove = true;

void setup(){

  pinMode(buttonR,INPUT);
  pinMode(buttonR1,INPUT);
  pinMode(buttonR2,INPUT);
  Serial.begin(9600);
  randomSeed(analogRead(0));

  //lcd
  lcd.init();
  lcd.backlight();

  lcd.setCursor(4,0);
  lcd.print("RPS Game");
  delay(2000);
  lcd.clear();

  lcd.setCursor(0,1);
  lcd.print("Pick Object");

  lcd.setCursor(0, 0);
  lcd.print("High Score: ");
  lcd.print(highScore);

  //LEDs
  pinMode(ledPin1, OUTPUT);
  pinMode(ledPin2, OUTPUT);
  pinMode(ledPin3, OUTPUT);
  pinMode(ledPin4, OUTPUT);
}


void loop(){
  buttonRState=digitalRead(buttonR);
  buttonR1State=digitalRead(buttonR1);
  buttonR2State=digitalRead(buttonR2);

//pisteytys
  lcd.setCursor(12,0);
  lcd.print(score);

//AIlogiikka
if (needNewMove) {
  if (score % 2 == 0) { //parillinen luku
   aiMove = random(1, 16) * 2 - 1; //1-30 pariton luku
  } else {
   aiMove = random(1, 16) * 2; //1-30 parillinen luku
  }
  Serial.println(aiMove);
  
  digitalWrite(ledPin1, LOW);
  digitalWrite(ledPin2, LOW);
  digitalWrite(ledPin3, LOW);
  digitalWrite(ledPin4, LOW);

  if (aiMove==2||aiMove==4||aiMove==6||aiMove==8||aiMove==10||aiMove==12||aiMove==14||aiMove==15||aiMove==17||aiMove==19||aiMove==21||aiMove==23||aiMove==25||aiMove==27||aiMove==29) {
    digitalWrite(ledPin1, HIGH);
  }
  if (aiMove==2||aiMove==4||aiMove==6||aiMove==7||aiMove==9||aiMove==11||aiMove==13||aiMove==16||aiMove==18||aiMove==20||aiMove==22||aiMove==23||aiMove==25||aiMove==27||aiMove==29) {
   digitalWrite(ledPin2, HIGH);
  }
  if (aiMove==2||aiMove==3||aiMove==5||aiMove==8||aiMove==10||aiMove==11||aiMove==13||aiMove==16||aiMove==18||aiMove==19||aiMove==21||aiMove==24||aiMove==26||aiMove==27||aiMove==29) {
    digitalWrite(ledPin3, HIGH);
  }
  if (aiMove==1||aiMove==4||aiMove==5||aiMove==8||aiMove==9||aiMove==12||aiMove==13||aiMove==16||aiMove==17||aiMove==20||aiMove==21||aiMove==24||aiMove==25||aiMove==28||aiMove==29) {
    digitalWrite(ledPin4, HIGH);
  }

  needNewMove=false;
}

if(buttonRState==HIGH){
  player=1;
  Serial.print("Player:");
  Serial.println("Paper");
  lcd.setCursor(0,0);
  lcd.print("            ");
  lcd.setCursor(0,1);
  lcd.print("            ");
  lcd.setCursor(0,1);
  lcd.print("Paper   ");
  ai();
  Player();
  delay(1000);
}
else if(buttonR1State==HIGH){
  player=2;
  Serial.print("Player:");
  Serial.println("Rock");
  lcd.setCursor(0,0);
  lcd.print("            ");
  lcd.setCursor(0,1);
  lcd.print("            ");
  lcd.setCursor(0,1);
  lcd.print("Rock    ");
  ai();
  Player();
  delay(1000);
}
else if(buttonR2State==HIGH){
  player=3;
  Serial.print("Player:");
  Serial.println("Scissors");
  lcd.setCursor(0,0);
  lcd.print("            ");
  lcd.setCursor(0,1);
  lcd.print("            ");
  lcd.setCursor(0,1);
  lcd.print("Scissors");
  ai();
  Player();
  delay(1000);
}
}
void ai(){

  if(aiMove >= 1 && aiMove <= 10){
    delay(200);

    Serial.print("AI:");
    Serial.println("Paper");
    
    lcd.setCursor(0,0);
    lcd.print("Paper   ");
  }
  else if(aiMove >= 21 && aiMove <= 30){
    delay(200);

    Serial.print("AI:");
    Serial.println("Rock");
    
    lcd.setCursor(0,0);
    lcd.print("Rock    ");
  }
  else if(aiMove >= 11 && aiMove <= 20){
    delay(200);

    Serial.print("AI:");
    Serial.println("Scissors");

   lcd.setCursor(0,0);
   lcd.print("Scissors");
  }

}
void Player(){
  if(player==1){
    if(aiMove >= 11 && aiMove <= 20){
      Serial.println("Loss");
      lcd.setCursor(12,1);
      lcd.print("Loss");
      lcd.setCursor(12,0);
      lcd.print("    ");
      score=0;
    }
    else if(aiMove >= 21 && aiMove <= 30){
      Serial.println("Win");
      lcd.setCursor(12,1);
      lcd.print("Win ");
      score+=1;
    }
    else if(aiMove >= 1 && aiMove <= 10){
      Serial.println("Draw");
      lcd.setCursor(12,1);
      lcd.print("Draw");
    }

  }
  else if(player==2){
    if(aiMove >= 11 && aiMove <= 20){
      Serial.println("Win");
      lcd.setCursor(12,1);
      lcd.print("Win ");
      score+=1;
    }
    else if(aiMove >= 21 && aiMove <= 30){
      Serial.println("Draw");
      lcd.setCursor(12,1);
      lcd.print("Draw");
    }
    else if(aiMove >= 1 && aiMove <= 10){
      Serial.println("Loss");
      lcd.setCursor(12,1);
      lcd.print("Loss");
      lcd.setCursor(12,0);
      lcd.print("    ");
      score=0;
    }
  }
else if(player==3){
    if(aiMove >= 11 && aiMove <= 20){
      Serial.println("Draw");
      lcd.setCursor(12,1);
      lcd.print("Draw");
    }
    else if(aiMove >= 21 && aiMove <= 30){
      Serial.println("Loss");
      lcd.setCursor(12,1);
      lcd.print("Loss");
      lcd.setCursor(12,0);
      lcd.print("    ");
      score=0;
    }
    else if(aiMove >= 1 && aiMove <= 10){
      Serial.println("Win");
      lcd.setCursor(12,1);
      lcd.print("Win ");
      score+=1;
    }
  }

  needNewMove=true;

  if (score > highScore) {
     highScore = score;
  }
}