int LED1 = 15;
int LED2 = 2;
int LED3 = 0;
int LED4 = 4;
int LED5 = 16;
int LED6 = 17;
int LED7 = 5;
int LED8 = 18;
int LED9 = 19;
int LED10 = 21;
int LED11 = 22;
int LED12 = 23;

int t1 = 100;
int t2 = 350;
int t3 = 500;
int buzzerPin = 13;

// Define musical notes manually
#define NOTE_B0 31
#define NOTE_C1 33
#define NOTE_CS1 35
#define NOTE_D1 37
#define NOTE_DS1 39
#define NOTE_E1 41
#define NOTE_F1 44
#define NOTE_FS1 46
#define NOTE_G1 49
#define NOTE_GS1 52
#define NOTE_A1 55
#define NOTE_AS1 58
#define NOTE_B1 62
#define NOTE_C2 65
#define NOTE_CS2 69
#define NOTE_D2 73
#define NOTE_DS2 78
#define NOTE_E2 82
#define NOTE_F2 87
#define NOTE_FS2 93
#define NOTE_G2 98
#define NOTE_GS2 104
#define NOTE_A2 110
#define NOTE_AS2 117
#define NOTE_B2 123
#define NOTE_C3 131
#define NOTE_CS3 139
#define NOTE_D3 147
#define NOTE_DS3 156
#define NOTE_E3 165
#define NOTE_F3 175
#define NOTE_FS3 185
#define NOTE_G3 196
#define NOTE_GS3 208
#define NOTE_A3 220
#define NOTE_AS3 233
#define NOTE_B3 247
#define NOTE_C4 262
#define NOTE_CS4 277
#define NOTE_D4 294
#define NOTE_DS4 311
#define NOTE_E4 330
#define NOTE_F4 349
#define NOTE_FS4 370
#define NOTE_G4 392
#define NOTE_GS4 415
#define NOTE_A4 440
#define NOTE_AS4 466
#define NOTE_B4 494
#define NOTE_C5 523
#define NOTE_CS5 554
#define NOTE_D5 587
#define NOTE_DS5 622
#define NOTE_E5 659
#define NOTE_F5 698
#define NOTE_FS5 740
#define NOTE_G5 784
#define NOTE_GS5 831
#define NOTE_A5 880
#define NOTE_AS5 932
#define NOTE_B5 988
#define NOTE_C6 1047
#define NOTE_CS6 1109
#define NOTE_D6 1175
#define NOTE_DS6 1245
#define NOTE_E6 1319
#define NOTE_F6 1397
#define NOTE_FS6 1480
#define NOTE_G6 1568
#define NOTE_GS6 1661
#define NOTE_A6 1760
#define NOTE_AS6 1865
#define NOTE_B6 1976
#define NOTE_C7 2093
#define NOTE_CS7 2217
#define NOTE_D7 2349
#define NOTE_DS7 2489
#define NOTE_E7 2637
#define NOTE_F7 2794
#define NOTE_FS7 2960
#define NOTE_G7 3136
#define NOTE_GS7 3322
#define NOTE_A7 3520
#define NOTE_AS7 3729
#define NOTE_B7 3951
#define NOTE_C8 4186
#define NOTE_CS8 4435
#define NOTE_D8 4699
#define NOTE_DS8 4978

int melody[] = {
    NOTE_E7, NOTE_E7, 0, NOTE_E7, 0, NOTE_C7, NOTE_E7, 0, NOTE_G7, 0, 0, 0, NOTE_G6, 0, 0, 0,
    NOTE_C7, 0, 0, NOTE_G6, 0, 0, NOTE_E6, 0, 0, NOTE_A6, 0, NOTE_B6, 0, NOTE_AS6, NOTE_A6, 0,
    NOTE_G6, NOTE_E7, NOTE_G7, NOTE_A7, 0, NOTE_F7, NOTE_G7, 0, NOTE_E7, 0, NOTE_C7, NOTE_D7, NOTE_B6, 0,
    0, 0, NOTE_C7, 0, 0, NOTE_G6, 0, 0, NOTE_E6, 0, 0, NOTE_A6, 0, NOTE_B6, 0, NOTE_AS6, NOTE_A6, 0,
    NOTE_G6, NOTE_E7, NOTE_G7, NOTE_A7, 0, NOTE_F7, NOTE_G7, 0, NOTE_E7, 0, NOTE_C7, NOTE_D7, NOTE_B6, 0,
    0, 0};

int noteDurations[] = {
    125, 125, 125, 125, 125, 125, 125, 125, 125, 125, 125, 125, 125, 125, 125, 125,
    125, 125, 125, 125, 125, 125, 125, 125, 125, 125, 125, 125, 125, 125, 125, 125,
    125, 125, 125, 125, 125, 125, 125, 125, 125, 125, 125, 125, 125, 125, 125, 125,
    125, 125, 125, 125, 125, 125, 125, 125, 125, 125, 125, 125, 125, 125, 125, 125,
    125, 125, 125, 125, 125, 125, 125, 125, 125, 125, 125, 125, 125, 125, 125, 125, 125};

void playMelody()
{
    for (int i = 0; i < sizeof(melody) / sizeof(melody[0]); i++)
    {
        int duration = noteDurations[i];
        if (melody[i] != 0)
        {
            tone(buzzerPin, melody[i], duration);
            delay(duration);
            noTone(buzzerPin);
            delay(50); // Adding a delay for a better sound separation
        }
        else
        {
            delay(duration);
        }
    }
}


void RightToLeftPattern(void *pvParameters)
{
  (void)pvParameters; // Unused parameter

  while (1)
  {
    digitalWrite(LED1, HIGH);
    vTaskDelay(pdMS_TO_TICKS(t1));
    digitalWrite(LED1, LOW);
    vTaskDelay(pdMS_TO_TICKS(t1));
    digitalWrite(LED2, HIGH);
    vTaskDelay(pdMS_TO_TICKS(t1));
    digitalWrite(LED2, LOW);
    vTaskDelay(pdMS_TO_TICKS(t1));
    digitalWrite(LED3, HIGH);
    vTaskDelay(pdMS_TO_TICKS(t1));
    digitalWrite(LED3, LOW);
    vTaskDelay(pdMS_TO_TICKS(t1));
    digitalWrite(LED4, HIGH);
    vTaskDelay(pdMS_TO_TICKS(t1));
    digitalWrite(LED4, LOW);
    vTaskDelay(pdMS_TO_TICKS(t1));
    digitalWrite(LED1, HIGH);
    vTaskDelay(pdMS_TO_TICKS(t1));
    digitalWrite(LED1, LOW);
    vTaskDelay(pdMS_TO_TICKS(t1));
    digitalWrite(LED2, HIGH);
    vTaskDelay(pdMS_TO_TICKS(t1));
    digitalWrite(LED2, LOW);
    vTaskDelay(pdMS_TO_TICKS(t1));
    digitalWrite(LED3, HIGH);
    vTaskDelay(pdMS_TO_TICKS(t1));
    digitalWrite(LED3, LOW);
    vTaskDelay(pdMS_TO_TICKS(t1));
    digitalWrite(LED4, HIGH);
    vTaskDelay(pdMS_TO_TICKS(t1));
    digitalWrite(LED4, LOW);
    vTaskDelay(pdMS_TO_TICKS(t1));
  }
}

void LeftToRightPattern(void *pvParameters)
{
  (void)pvParameters; // Unused parameter

  while (1)
  {
    digitalWrite(LED8, HIGH);
    vTaskDelay(pdMS_TO_TICKS(t2));
    digitalWrite(LED8, LOW);
    vTaskDelay(pdMS_TO_TICKS(t2));
    digitalWrite(LED7, HIGH);
    vTaskDelay(pdMS_TO_TICKS(t2));
    digitalWrite(LED7, LOW);
    vTaskDelay(pdMS_TO_TICKS(t2));
    digitalWrite(LED6, HIGH);
    vTaskDelay(pdMS_TO_TICKS(t2));
    digitalWrite(LED6, LOW);
    vTaskDelay(pdMS_TO_TICKS(t2));
    digitalWrite(LED5, HIGH);
    vTaskDelay(pdMS_TO_TICKS(t2));
    digitalWrite(LED5, LOW);
    vTaskDelay(pdMS_TO_TICKS(t2));
    digitalWrite(LED8, HIGH);
    vTaskDelay(pdMS_TO_TICKS(t2));
    digitalWrite(LED8, LOW);
    vTaskDelay(pdMS_TO_TICKS(t2));
    digitalWrite(LED7, HIGH);
    vTaskDelay(pdMS_TO_TICKS(t2));
    digitalWrite(LED7, LOW);
    vTaskDelay(pdMS_TO_TICKS(t2));
    digitalWrite(LED6, HIGH);
    vTaskDelay(pdMS_TO_TICKS(t2));
    digitalWrite(LED6, LOW);
    vTaskDelay(pdMS_TO_TICKS(t2));
    digitalWrite(LED5, HIGH);
    vTaskDelay(pdMS_TO_TICKS(t2));
    digitalWrite(LED5, LOW);
    vTaskDelay(pdMS_TO_TICKS(t2));
  }
}

void OddAndEvenPattern(void *pvParameters)
{
  (void)pvParameters; // Unused parameter

  while (1)
  {
    digitalWrite(LED9, HIGH);
    digitalWrite(LED10, LOW);
    digitalWrite(LED11, HIGH);
    digitalWrite(LED12, LOW);
    vTaskDelay(pdMS_TO_TICKS(t3));

    digitalWrite(LED9, LOW);
    digitalWrite(LED10, HIGH);
    digitalWrite(LED11, LOW);
    digitalWrite(LED12, HIGH);
    vTaskDelay(pdMS_TO_TICKS(t3));

    digitalWrite(LED9, LOW);
    digitalWrite(LED10, LOW);
    digitalWrite(LED11, LOW);
    digitalWrite(LED12, LOW);
  }
}

void setup()
{
  pinMode(LED1, OUTPUT);
  pinMode(LED2, OUTPUT);
  pinMode(LED3, OUTPUT);
  pinMode(LED4, OUTPUT);
  pinMode(LED5, OUTPUT);
  pinMode(LED6, OUTPUT);
  pinMode(LED7, OUTPUT);
  pinMode(LED8, OUTPUT);
  pinMode(LED9, OUTPUT);
  pinMode(LED10, OUTPUT);
  pinMode(LED11, OUTPUT);
  pinMode(LED12, OUTPUT);

  pinMode(buzzerPin, OUTPUT);

  xTaskCreatePinnedToCore(RightToLeftPattern, "RightToLeft", 1000, NULL, 1, NULL, 0);
  xTaskCreatePinnedToCore(LeftToRightPattern, "LeftToRight", 1000, NULL, 2, NULL, 1);
  xTaskCreatePinnedToCore(OddAndEvenPattern, "OddAndEven", 1000, NULL, 3, NULL, 1);
}

void loop()
{
  playMelody();
  delay(1000);
}