const int redPin = 13;
const int greenPin = 12;
const int bluePin = 11;
const int speaker = 10;
const int buttonPin1 = 2; // increase the counter
const int buttonPin2 = 3; // Decrease the counter
const int buttonPin3 = 4;
const int buttonPin4 = 5; // increase the counter
const int buttonPin5 = 6; // Decrease the counter
const int buttonPin6 = 7;
const int buttonPin7 = 8;
const int buttonPin8 = 9;

// Variabel button
int button1; int button2;
int button3; int button4;
int button5; int button6;
int button7; int button8;

int lastState1 = LOW;
int currentState1;

void setup() {
  Serial.begin(9600);
  pinMode(redPin, OUTPUT);
  pinMode(greenPin, OUTPUT);
  pinMode(bluePin, OUTPUT);
  pinMode(speaker, OUTPUT);
  pinMode(buttonPin1, INPUT);
  pinMode(buttonPin2, INPUT);
  pinMode(buttonPin3, INPUT);
  pinMode(buttonPin4, INPUT);
  pinMode(buttonPin5, INPUT);
  pinMode(buttonPin6, INPUT);
  pinMode(buttonPin7, INPUT);
  pinMode(buttonPin8, INPUT);
}

void loop() {
  button1 = digitalRead(buttonPin1);
  button2 = digitalRead(buttonPin2);
  button3 = digitalRead(buttonPin3);
  button4 = digitalRead(buttonPin4);
  button5 = digitalRead(buttonPin5);
  button6 = digitalRead(buttonPin6);
  button7 = digitalRead(buttonPin7);
  button8 = digitalRead(buttonPin8);

  if(lastState1 == HIGH && button1 == LOW){
  }
  else if(lastState1 == LOW && button1 == HIGH){
  }
  lastState1 = button1;

  // if(button1 == HIGH) {
  //   DO();
  //   setColor(255, 0, 0); // Red Color
  // }

  if(button2 == HIGH) {
    RE();
    setColor(0, 255, 0); // Green Color
  }

  if(button3 == HIGH) {
    MI();
    setColor(0, 0, 255); // Blue Color
  }

  if(button4 == HIGH) {
    FA();
    setColor(255, 255, 255); // White Color
  }

  if(button5 == HIGH) {
    SOL();
    setColor(170, 0, 255); // Purple Color
  }

  if(button6 == HIGH) {
    LA();
    setColor(255, 255 , 0); // Yellow color
  }

  if(button7 == HIGH) {
    SI();
    setColor(0, 255, 255);   // cyan color
  }

  if(button8 == HIGH) {
    DOO();
    setColor(0, 255, 0); // Green Color
  }
  delay(10);
}


void setColor(int redValue, int greenValue, int blueValue) {
  analogWrite(redPin, redValue);
  analogWrite(greenPin, greenValue);
  analogWrite(bluePin, blueValue);
}

void DO() {
  tone(speaker, 264);
}
void RE() {
  tone(speaker, 297);
}
void MI() {
  tone(speaker, 330);
}
void FA() {
  tone(speaker, 352);
}
void SOL() {
  tone(speaker, 396);
}
void LA() {
  tone(speaker, 440);
}
void SI() {
  tone(speaker, 495);
}
void DOO() {
  tone(speaker, 528);
}
void DIAM() {
  noTone(speaker);
}