#include <SoftwareSerial.h> 
SoftwareSerial MP3Serial(12, 13);

const int buttonAdmin = A0;
const int ledAdmin = A1;

const int playerButtons[] = {2, 3, 4, 5, 6, 7};
const int playerLeds[] = {8, 9, 10, 11, A2, A3 };

int gameState = 0;

void setup() {
  MP3Serial.begin(9600);
  delay(500);
  sendCommand(0x3F, 0x00);
  sendCommand(0x06, 0x00);
  sendCommand(0x05, 0x00);
  
  pinMode(buttonAdmin, INPUT_PULLUP);
  pinMode(ledAdmin, OUTPUT);

  for (int i = 0; i < 6; i++){
    pinMode(playerButtons[i], INPUT_PULLUP);
    pinMode(playerLeds[i], OUTPUT);
  }

  for (int i = 0; i < 6; i++){
    digitalWrite(playerLeds[i], LOW);
  }
}

void restartGame(){
  if(gameState != 1){
    gameState = 1;
    for (int i = 0; i < 6; i++){
      digitalWrite(playerLeds[i], LOW);
    }
    playStartGame();
  }else{
    gameState = 0;
  }
}

void playAudioWin(){
  playTrack("win.mp3");
}

void playStartGame(){
  playTrack("start.mp3");
}

void sendCommand(uint8_t command, uint8_t data) {
  // Формируем пакет данных
  uint8_t packet[8] = {0x7E, 0xFF, 0x06, command, 0x00, 0x00, data, 0xEF};
  // Отправляем пакет данных
  for (int i = 0; i < 8; i++) {
    MP3Serial.write(packet[i]);
  }
}
void playTrack(const char *filename) {
  sendCommand(0x12, 0x00);
  delay(10);
  sendCommand(0x08, 0x01);
  delay(10);
  sendCommand(0x0F, 0x00);
  delay(10);
  for (int i = 0; i < 11; i++) {
    sendCommand(0x01, filename[i]);
    delay(10);
  }
  delay(10); 
  sendCommand(0x00, 0x00); 
  delay(10);
  sendCommand(0x0D, 0x00);
}

void checkUserResponce(){
  for (int i = 0; i < 6; i++){
    if(digitalRead(playerButtons[i]) == LOW){
      digitalWrite(playerLeds[i], HIGH);
      gameState = 2;
      playAudioWin();
      for (int i2 = 0; i2 < 6; i2++){
        if(i2 != i){
          digitalWrite(playerLeds[i2], LOW);
        }
      }
    }else{
      digitalWrite(playerLeds[i], LOW);
    }
  }
}

void loop() {
   if(gameState == 1){
      digitalWrite(ledAdmin, HIGH);
      checkUserResponce();
   } else if(gameState == 0){
      digitalWrite(ledAdmin, LOW);
   }
   if(digitalRead(buttonAdmin) == LOW){
      restartGame();
      delay(50);
   }
}