#define P1 12 //button player left (1)
#define P2 26 //button player right (2)
#define RED 14 //red Pin
#define GREEN 27 //green Pin
#define BUZ 5 //buzzer

int del = 0;

bool ledOn = false;

int s1 = 0; //score player 1
int s2 = 0; // score player 2
int p1d = 0; // player 1 delay
int p2d = 0; // player 2 delay

void setup() {
  // put your setup code here, to run once:
  Serial.begin(9600);
  pinMode(RED, OUTPUT);
  pinMode(GREEN, OUTPUT);
  pinMode(P1, INPUT);
  pinMode(P2, INPUT);
  pinMode(BUZ, OUTPUT);
  digitalWrite(RED, HIGH);
  playSong();
}

  /*
  void loop() {
  delay((Math.random()*(5000-3000+1))+3000)
  digitalWrite(RED, LOW);
  delay(10);
  digitalWrite(GREEN, HIGH);
    if(digitalRead(P1, HIGH) || digitalRead(P2, HIGH)) {
      digitalWrite(GREEN, LOW);
      delay(10);
      digitalWrite(RED, HIGH);
      if(digitalRead(P1, HIGH)) s1++;
      else s2++;
      displayScore();
    }

  delay(10); 
} 
*/

void loop() {
  if(p1d>0) p1d--;
  if(p2d>0) p2d--;
  if(del>0) {
  del--;
  turnOff();
    if(digitalRead(P1) == HIGH && (!ledOn) && p1d == 0) {
        s1--;
        displayScore();
        player1Delay();
        losingSound();
        
      }
    if(digitalRead(P2) == HIGH && (!ledOn) && p2d == 0) {
        s2--;
        displayScore();
        player2Delay();
        losingSound();
    }
  }
  else {
    turnOn();

    if(digitalRead(P1) == HIGH && (ledOn) && p1d == 0) {
      s1++;
      turnOff();
      displayScore();
      player1Delay();
      winningSound();
    }
    if(digitalRead(P2) == HIGH && (ledOn) && p2d == 0) {
      s2++;
      turnOff();
      displayScore();
      player2Delay();
      winningSound();
    }
    if(digitalRead(P1) == HIGH && (!ledOn) && p1d == 0) {
      s1--;
      displayScore();
      player1Delay();
      losingSound();
    }
    if(digitalRead(P2) == HIGH && (!ledOn) && p2d == 0) {
      s2--;
      displayScore();
      player2Delay();
      losingSound();
    }
    if (!ledOn) {
      initialize();
    }
  }
  delay (10);
}

void displayScore() {
  Serial.println("----------------");
  Serial.print("Player 1: ");
  Serial.println(s1);
  Serial.print("Player 2: ");
  Serial.println(s2);
 
}

void turnOff() {
  digitalWrite(GREEN, LOW);
  ledOn = false;
  digitalWrite(RED, HIGH);
}

void turnOn() {
  digitalWrite(RED, LOW);
  ledOn = true;
  digitalWrite(GREEN, HIGH);
}

void initialize() {
  del = (random(300, 500));
}

void playSong() {
  tone(BUZ, 329.6276, 100);
  delay (200);
  tone(BUZ, 329.6276, 100);
  delay (300);
  tone(BUZ, 329.6276, 100);
  delay (150);
  tone(BUZ, 261.6256, 80);
  delay (200);
  tone(BUZ, 329.6276, 100);
  delay (250);
  tone(BUZ, 391.9954, 100);
  delay (400);
  tone(BUZ, 198, 200);
  delay (50);
}

void player1Delay() {
  p1d = 40;
}

void player2Delay() {
  p2d = 40;
}

void winningSound() {
  tone(BUZ, 690, 100);
  delay(50);
  tone(BUZ, 1000, 100);
  delay(50);
  Serial.println("----------------");
  Serial.println("winningSound");
  Serial.println("----------------");
}

void losingSound() {
  tone(BUZ, 400, 100);
  delay(50);
  tone(BUZ, 350, 100);
  delay(50);
  Serial.println("----------------");
  Serial.println("losingSound");
  Serial.println("----------------");

}