#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

#include <IRremote.h>

int melody1[] = {NOTE_C4,NOTE_G3,NOTE_G3,NOTE_A3,NOTE_G3,0,NOTE_B3,NOTE_C4};
int melody2[] = {NOTE_F3,NOTE_G3,NOTE_C3,NOTE_A3,NOTE_F4,0,NOTE_B3,NOTE_C4};
int melody3[] = {NOTE_F3,NOTE_G3,NOTE_C3,NOTE_D3,NOTE_F4,0,NOTE_E3,NOTE_D4};
int melody4[] = {NOTE_F1,NOTE_G3,NOTE_C3,NOTE_B3,NOTE_F4,0,NOTE_G3,NOTE_C4};
int melody5[] = {NOTE_F3,NOTE_G3,NOTE_C3,NOTE_A3,NOTE_F4,0,NOTE_A3,NOTE_E4};
int melody6[] = {
  NOTE_E4, NOTE_B3, NOTE_C4, NOTE_D4, NOTE_C4, NOTE_B3, NOTE_A3, NOTE_A3, NOTE_C4, NOTE_E4, NOTE_D4, NOTE_C4, NOTE_B3, NOTE_C4, NOTE_D4, NOTE_E4, NOTE_C4, NOTE_A3, NOTE_A3, 0,
  NOTE_D4, NOTE_F4, NOTE_A4, NOTE_G4, NOTE_F4, NOTE_E4, NOTE_C4, NOTE_E4, NOTE_D4, NOTE_C4, NOTE_B3, NOTE_B3, NOTE_C4, NOTE_D4, NOTE_E4, NOTE_C4, NOTE_A3, NOTE_A3, 0
};

int noteDurations1[] = {4,8,8,4,4,4,4,4};
int noteDurations2[] = {8,4,8,4,8,2,4,4};
int noteDurations3[] = {8,4,8,4,8,2,2,4};
int noteDurations4[] = {8,4,2,4,8,2,16,4};
int noteDurations5[] = {16,2,8,4,8,4,4,4};
int noteDurations6[] = {
  8, 8, 8, 4, 4, 8, 8, 4, 4, 4, 4, 8, 8, 8, 4, 4, 4, 4, 4, 4, 8, 8, 4, 4, 8, 8, 8, 4, 4, 8, 8, 4, 4, 4, 4, 4, 4, 4, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8
};

int tonePin = 7;

IRrecv irrecv(8);

void setup() {
  Serial.begin(9600);
  Serial.println("Remote Controlled melody player");
  Serial.println("Press a key from 1 to 5 to play a melody");
  irrecv.enableIRIn();
}

void loop() {

  int bits_len = 24;
  unsigned int arr[bits_len];
  unsigned long val = 0;
  unsigned long startTime,endTime;

  if(irrecv.decode()) {
    translateIR();
    irrecv.resume();
  }
}

void play_melody(int melody[], int noteDurations[], int length)
{
  for(int thisNote = 0; thisNote < length; thisNote++)
  {
    int noteDuration = 1000/noteDurations[thisNote];
    tone(tonePin, melody[thisNote], noteDuration);

    int pauseBetweenNotes = noteDuration * 1.30;
    delay(pauseBetweenNotes);

    noTone(tonePin);
  }
}

void translateIR() {
  int code = irrecv.decodedIRData.command;
  irrecv.disableIRIn();
  switch(code) {
    case 48:
      Serial.println("Playing melody-1");
      play_melody(melody1,noteDurations1,sizeof(melody1) / sizeof(int));
      break;
      
    case 24:
      Serial.println("Playing melody-2");
      play_melody(melody2,noteDurations2,sizeof(melody2) / sizeof(int));
      break;
      
    case 122:
      Serial.println("Playing melody-3");
      play_melody(melody3,noteDurations3,sizeof(melody3) / sizeof(int));
      break;
      
    case 16:
      Serial.println("Playing melody-4");
      play_melody(melody4,noteDurations4,sizeof(melody4) / sizeof(int));
      break;
      
    case 56:
      Serial.println("Playing melody-5");
      play_melody(melody5,noteDurations5,sizeof(melody5) / sizeof(int));
      break;

    case 90:
      Serial.println("Playing melody-6");
      play_melody(melody6,noteDurations6,sizeof(melody6) / sizeof(int));
      break;

    case 66:
      Serial.println("Playing melody-7");
      //play_melody(melody7,noteDurations7,sizeof(melody7) / sizeof(int));
      break;

    case 74:
      Serial.println("Key 8");
      delay(1000);
      break;
      
    case 82:
      Serial.println("Key 9");
      delay(1000);
      break;

    default:
      Serial.println("Press any key from 1 to 9");
  }
  irrecv.enableIRIn();
}