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// CODE WRITTEN BY ANTHONY GIANNOTTI 05/03/2023
// IF ANY CONCERNS PLEASE SEND ME A MESSAGE ON INSTAGRAM @ANTHONYGIO12


#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

// music
int songState = 0;

int melody[] = {
  NOTE_F4, NOTE_E4, NOTE_D4, NOTE_CS4,
  NOTE_C4, NOTE_B3, NOTE_AS3, NOTE_A3,
  NOTE_G3, NOTE_A3, NOTE_AS3, NOTE_A3, 
  NOTE_G3, NOTE_C4, 0, 

  NOTE_C4, NOTE_A3, NOTE_A3, NOTE_A3,
  NOTE_GS3, NOTE_A3, NOTE_F4, NOTE_C4, 
  NOTE_C4, NOTE_A3, NOTE_AS3, NOTE_AS3, 
  NOTE_AS3, NOTE_C4, NOTE_D4, 0, 

  NOTE_AS3, NOTE_G3, NOTE_G3, NOTE_G3,
  NOTE_FS3, NOTE_G3, NOTE_E4, NOTE_D4, 
  NOTE_D4, NOTE_AS3, NOTE_A3, NOTE_A3, 
  NOTE_A3, NOTE_AS3, NOTE_C4, 0,

  NOTE_C4, NOTE_A3, NOTE_A3, NOTE_A3,
  NOTE_GS3, NOTE_A3, NOTE_A4, NOTE_F4, 
  NOTE_F4, NOTE_C4, NOTE_B3, NOTE_G4, 
  NOTE_G4, NOTE_G4, NOTE_G4, 0,

  NOTE_G4, NOTE_E4, NOTE_G4, NOTE_G4,
  NOTE_FS4, NOTE_G4, NOTE_D4, NOTE_G4, 
  NOTE_G4, NOTE_FS4, NOTE_G4, NOTE_C4, 
  NOTE_B3, NOTE_C4, NOTE_B3, NOTE_C4, 0
};

int tempo[] = {
  8, 16, 8, 16,
  8, 16, 8, 16,
  16, 16, 16, 8,
  16, 8, 3,

  12, 16, 16, 16,
  8, 16, 8, 16,
  8, 16, 8, 16,
  8, 16, 4, 12,

  12, 16, 16, 16,
  8, 16, 8, 16,
  8, 16, 8, 16,
  8, 16, 4, 12,

  12, 16, 16, 16,
  8, 16, 8, 16,
  8, 16, 8, 16,
  8, 16, 4, 16, 

  12, 17, 17, 17,
  8, 12, 17, 17, 
  17, 8, 16, 8,
  16, 8, 16, 8, 1 
};

// non blocking setup
// free play
unsigned long previousMillis1 = 0; // time words last changed
const long interval1 = 1500; // interval between changing

// music
unsigned long previousMillis2 = 0; // time last changed
const long interval2 = 100; // interval between notes

int displayStatus = 0; // keep track of what's displayed
int mode = 0; // keep track of game mode -- change to 0 or 1 for different modes

bool countdown = false;

unsigned long previousMillis3 = 0; // time last changed
const long interval3 = 1000; // interval between countdown
int count = 20; // challenge mode timer

const int buzzerAnthony = 10; 
const int metalAnthony = 2;

void setup() { 
  // put your setup code here, to run once:
  pinMode(metalAnthony, INPUT); // setup circuit
  pinMode(buzzerAnthony, OUTPUT); // setup buzzer 
}

void buzz(int targetPin, long frequency, long length) {
  tone(targetPin, frequency, length);
  delay(length);    
  noTone(targetPin);
}

void loop() {
  // Check if the metal ring is touching the wire
  if (digitalRead(metalAnthony) == HIGH && digitalRead(wireAnthony) == HIGH) {
    // Buzz the buzzer
    tone(buzzerAnthony, 1000);
  } else {
    // Stop buzzing the buzzer
    noTone(buzzerAnthony);
  }
}


// CHANGES
// - Moved the `buzzer()` and `tester()` functions outside of the `buzz()` function, 
//   and removed the `buzzer()` function altogether since it was not being used.
// - Removed the `buzz1()` and `buzz2()` functions since they were not being used.
// - Added code to the `loop()` function to check if the metal ring is touching the 
//   electrical wire, and if so, to buzz the buzzer.
// - Removed the `previousButtonState` variable and instead checked the state of the 
//   metal ring in the `loop()` function directly.
// - Updated the pin numbers used for the metal ring and buzzer to match the pin 
//   numbers in the `setup()` function.
// - Added defined notes at the beginning of the code
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