#include <Wire.h>
#include <LiquidCrystal_I2C.h>
int btn1 = 6, btn2 = 5, btn3 = 4, bt1Val, bt2Val, bt3Val;
long randNumber, btThresh = 300;
long lastBt1 = millis(), lastBt2 = millis(), lastBt3 = millis();
const int led1 = 11, led2 = 10, led3 = 12;
int playerScore = 0, arduinoScore = 0;
int mode = 0, counter = 0;
LiquidCrystal_I2C lcd(0x27, 16, 2);


void setup() {

  pinMode(btn1, OUTPUT);
  pinMode(led1, OUTPUT);
  pinMode(led2, OUTPUT);
  pinMode(led3, OUTPUT);
  Serial.begin(9600);
  lcd.init();
  lcd.backlight();
  lcd.setCursor(3, 0);
  lcd.print("Rock,Paper,");
  lcd.setCursor(4, 1);
  lcd.print("Scissors!");
  delay(1000);
  lcd.clear();
  lcd.setCursor(3, 0);
  lcd.print("Throw Down");
  lcd.setCursor(6, 1);
  lcd.print("NOW!");
  delay(750);
  lcd.clear();
  lcd.setCursor(3, 0);
  lcd.print("Throw Down");
  lcd.setCursor(0, 1);
  lcd.print(String("Me: ") + String(playerScore) + String(" NOW!  ") + String( "A: " ) + String (arduinoScore));
  randomSeed(analogRead(0));
  delay(500);
}


void loop() {
  pinMode(btn1, INPUT);
  pinMode(btn2, INPUT);
  pinMode(btn3, INPUT);
  bt1Val = digitalRead(btn1);
  Serial.println("VALUe");
  Serial.println(bt1Val);
  bt2Val = digitalRead(btn2);
  bt3Val = digitalRead(btn3);
  int playerGuess;


  if (mode == 0) {

    if (bt1Val) {
      if (millis() - lastBt1 > btThresh) {
        playerGuess = 1;
        randNumber = random(1, 4);
        lastBt1 = millis();
        mode = 1;
        pinMode(btn1, OUTPUT);
        digitalWrite(6, LOW);

      }
    }
    else if (bt2Val) {
      if (millis() - lastBt2 > btThresh) {
        playerGuess = 2;
        randNumber = random(1, 4);
        lastBt2 = millis();
        mode = 1;
        bt2Val = false;
      }
    }
    else if (bt3Val) {
      if (millis() - lastBt3 > btThresh) {
        playerGuess = 3;
        randNumber = random(1, 4);
        lastBt3 = millis();
        mode = 1;
        bt3Val = false;


      }
    }
  }


  if (mode == 1) {
    if (randNumber == playerGuess) {
      lcd.clear();
      lcd.setCursor(3, 0);
      lcd.print("Its A Tie!");
      lcd.setCursor(0, 1);
      delay(1000);
      lcd.clear();
      lcd.setCursor(3, 0);
      lcd.print("Throw Down");
      lcd.setCursor(6, 1);
      lcd.print("NOW!");
      delay(750);
      lcd.clear();
      lcd.setCursor(3, 0);
      lcd.print("Throw Down");
      lcd.setCursor(0, 1);
      lcd.print(String("Me: ") + String(playerScore) + String(" NOW!  ") + String( "A: " ) + String (arduinoScore));
      randNumber = 0;
      playerGuess = 1234;
      mode = 0;
    }

    else if (playerGuess == 1 && randNumber == 3) { //ROCK BLUNTS SCISSORS _ PLAYER WINS
      lcd.clear();
      lcd.setCursor(0, 0);
      lcd.print("Rock Blunts ");
      lcd.setCursor(2, 1);
      lcd.print("Scissors");
      delay(1000);
      lcd.clear();
      lcd.setCursor(3, 0);
      lcd.print("Throw Down");
      lcd.setCursor(6, 1);
      lcd.print("NOW!");
      delay(750);
      lcd.clear();
      lcd.setCursor(3, 0);
      lcd.print("Throw Down");
      lcd.setCursor(0, 1);
      playerScore = playerScore + 1;
      lcd.print(String("Me: ") + String(playerScore) + String(" NOW!  ") + String( "A: " ) + String (arduinoScore));
      randNumber = 0;
      playerGuess = 1234;
      playerScore = playerScore + 1;
      counter = counter + 1;
      mode = 0;
    }

    else if ( playerGuess == 1 && randNumber == 2) { //PAPER COVERS ROCK _ COMPUTER WINS
      lcd.clear();
      lcd.setCursor(0, 0);
      lcd.print("Paper Covers ");
      lcd.setCursor(3, 1);
      lcd.print("Rock");
      delay(1000);
      lcd.clear();
      lcd.setCursor(3, 0);
      lcd.print("Throw Down");
      lcd.setCursor(6, 1);
      lcd.print("NOW!");
      delay(750);
      lcd.clear();
      lcd.setCursor(3, 0);
      lcd.print("Throw Down");
      lcd.setCursor(0, 1);
      arduinoScore = arduinoScore++;

      lcd.print(String("Me: ") + String(playerScore) + String(" NOW!  ") + String( "A: " ) + String (arduinoScore));
      randNumber = 0;
      playerGuess = 1234;
      counter = counter + 1;
      mode = 0;
    }
    else if (playerGuess == 2 && randNumber == 1) { // PAPER COVERS ROCK _ PLAYER WINS
      lcd.clear();
      lcd.setCursor(0, 0);
      lcd.print("Paper Covers ");
      lcd.setCursor(3, 1);
      lcd.print("Rock");
      delay(1000);
      lcd.clear();
      lcd.setCursor(3, 0);
      lcd.print("Throw Down");
      lcd.setCursor(6, 1);
      lcd.print("NOW!");
      delay(750);
      lcd.clear();
      lcd.setCursor(3, 0);
      lcd.print("Throw Down");
      lcd.setCursor(0, 1);
      playerScore = playerScore + 1;
      lcd.print(String("Me: ") + String(playerScore) + String(" NOW!  ") + String( "A: " ) + String (arduinoScore));
      randNumber = 0;
      playerGuess = 1234;
      mode = 0;
    }
    else if (playerGuess == 2 && randNumber == 3) { //SCISSORS CURS PAPER_ COMPUTER WINS
      lcd.clear();
      lcd.setCursor(0, 0);
      lcd.print("Scissors Cuts ");
      lcd.setCursor(3, 1);
      lcd.print("Paper");
      delay(1000);
      lcd.clear();
      lcd.setCursor(3, 0);
      lcd.print("Throw Down");
      lcd.setCursor(6, 1);
      lcd.print("NOW!");
      delay(750);
      lcd.clear();
      lcd.setCursor(3, 0);
      lcd.print("Throw Down");
      lcd.setCursor(0, 1);
      arduinoScore = arduinoScore++;
      lcd.print(String("Me: ") + String(playerScore) + String(" NOW!  ") + String( "A: " ) + String (arduinoScore));
      randNumber = 0;
      playerGuess = 1234;

      counter = counter + 1;
      mode = 0;
    }
    else if (playerGuess == 3 && randNumber == 1) { // ROCK BLUNTS SCCISSORS _ COMPUTER WINS
      lcd.clear();
      lcd.setCursor(0, 0);
      lcd.print("Rock Blunts ");
      lcd.setCursor(2, 1);
      lcd.print("Scissors");
      delay(1000);
      lcd.clear();
      lcd.setCursor(3, 0);
      lcd.print("Throw Down");
      lcd.setCursor(6, 1);
      lcd.print("NOW!");
      delay(750);
      lcd.clear();
      lcd.setCursor(3, 0);
      lcd.print("Throw Down");
      lcd.setCursor(0, 1);
      arduinoScore = arduinoScore++;
      lcd.print(String("Me: ") + String(playerScore) + String(" NOW!  ") + String( "A: " ) + String (arduinoScore));
      randNumber = 0;
      playerGuess = 1234;

      counter = counter + 1;
      mode = 0;
    }
    else if (playerGuess == 3 && randNumber == 2) { // SCISSORS CUTS PAPAER_ PLAYERS WINS
      lcd.clear();
      lcd.setCursor(0, 0);
      lcd.print("Scissors Cuts ");
      lcd.setCursor(2, 1);
      lcd.print("Paper");
      delay(1000);
      lcd.clear();
      lcd.setCursor(3, 0);
      lcd.print("Throw Down");
      lcd.setCursor(6, 1);
      lcd.print("NOW!");
      delay(750);
      lcd.clear();
      lcd.setCursor(3, 0);
      lcd.print("Throw Down");
      lcd.setCursor(0, 1);
      playerScore = playerScore + 1;
      lcd.print(String("Me: ") + String(playerScore) + String(" NOW!  ") + String( "A: " ) + String (arduinoScore));
      randNumber = 0;
      playerGuess = 1234;

      counter = counter + 1;
      mode = 0;
    }
  }


  if (counter == 2) {
    mode = 3;
  }


  if (mode == 3) {
    lcd.clear();
    lcd.setCursor(3, 0);
    lcd.print("You Win!");
    playerScore = 0;
    counter = 0;
    randNumber = 12345;
    playerGuess = 99999;
    delay(3000);
    lcd.clear();
    lcd.setCursor(3, 0);
    lcd.print("Throw Down");
    lcd.setCursor(6, 1);
    lcd.print("NOW!");
    delay(750);
    lcd.clear();
    lcd.setCursor(3, 0);
    lcd.print("Throw Down");
    lcd.setCursor(0, 1);
    lcd.print(String("Me: ") + String(playerScore) + String(" NOW!  ") + String( "A: " ) + String (arduinoScore));
    delay(500);
    mode = 0;
  }
  delay(50);
}