const int A = 23;
const int B = 22;
const int C = 21;
const int D = 19;
const int E = 18;
const int F = 17;
const int G = 16;
int pinOut[] = {A, B, C, D, E, F, G};
int buttonPlus = 2;
int buttonMinus = 4;
int led = 15;

int currentNumber = 0;

void displayDigit(int digit) {
  if (digit == 0) {
    digitalWrite(A, LOW);
    digitalWrite(B, LOW);
    digitalWrite(C, LOW);
    digitalWrite(D, LOW);
    digitalWrite(E, LOW);
    digitalWrite(F, LOW);
    digitalWrite(G, HIGH);
    analogWrite(led, 0);
  } else if (digit == 1) {
    digitalWrite(A, HIGH);
    digitalWrite(B, LOW);
    digitalWrite(C, LOW);
    digitalWrite(D, HIGH);
    digitalWrite(E, HIGH);
    digitalWrite(F, HIGH);
    digitalWrite(G, HIGH);
    analogWrite(led, 28);
  } else if (digit == 2) {
    digitalWrite(A, LOW);
    digitalWrite(B, LOW);
    digitalWrite(C, HIGH);
    digitalWrite(D, LOW);
    digitalWrite(E, LOW);
    digitalWrite(F, HIGH);
    digitalWrite(G, LOW);
    analogWrite(led, 56);
  } else if (digit == 3) {
    digitalWrite(A, LOW);
    digitalWrite(B, LOW);
    digitalWrite(C, LOW);
    digitalWrite(D, LOW);
    digitalWrite(E, HIGH);
    digitalWrite(F, HIGH);
    digitalWrite(G, LOW);
    analogWrite(led, 84);
  } else if (digit == 4) {
    digitalWrite(A, HIGH);
    digitalWrite(B, LOW);
    digitalWrite(C, LOW);
    digitalWrite(D, HIGH);
    digitalWrite(E, HIGH);
    digitalWrite(F, LOW);
    digitalWrite(G, LOW);
    analogWrite(led, 112);
  } else if (digit == 5) {
    digitalWrite(A, LOW);
    digitalWrite(B, HIGH);
    digitalWrite(C, LOW);
    digitalWrite(D, LOW);
    digitalWrite(E, HIGH);  // Perbaikan kurung tutup yang hilang
    digitalWrite(F, LOW);
    digitalWrite(G, LOW);
    analogWrite(led, 140);
  } else if (digit == 6) {
    digitalWrite(A, LOW);
    digitalWrite(B, HIGH);
    digitalWrite(C, LOW);
    digitalWrite(D, LOW);
    digitalWrite(E, LOW);
    digitalWrite(F, LOW);
    digitalWrite(G, LOW);
    analogWrite(led, 168);
  } else if (digit == 7) {
    digitalWrite(A, LOW);
    digitalWrite(B, LOW);
    digitalWrite(C, LOW);
    digitalWrite(D, HIGH);
    digitalWrite(E, HIGH);
    digitalWrite(F, HIGH);
    digitalWrite(G, HIGH);
    analogWrite(led, 198);
  } else if (digit == 8) {
    digitalWrite(A, LOW);
    digitalWrite(B, LOW);
    digitalWrite(C, LOW);
    digitalWrite(D, LOW);
    digitalWrite(E, LOW);
    digitalWrite(F, LOW);
    digitalWrite(G, LOW);
    analogWrite(led, 224);
  } else if (digit == 9) {
    digitalWrite(A, LOW);
    digitalWrite(B, LOW);
    digitalWrite(C, LOW);
    digitalWrite(D, LOW);
    digitalWrite(E, HIGH);
    digitalWrite(F, LOW);
    digitalWrite(G, LOW);
    analogWrite(led, 252);
  }
}

void setup() {
  for (int i = 0; i < 7; i++) {
    pinMode(pinOut[i], OUTPUT);
  }
  pinMode(buttonPlus, INPUT_PULLDOWN);
  pinMode(buttonMinus, INPUT_PULLDOWN);
  pinMode(led, OUTPUT);
  displayDigit(currentNumber);
}

void loop() {
  delay(10);
  // Button Plus For Add Number to Max 9
  if (digitalRead(buttonPlus) == HIGH) {
    if (currentNumber < 9) {
      currentNumber++;
    };
    displayDigit(currentNumber);
    delay(300);
  }
  // Button Minus For Remove Number Max 0
  if (digitalRead(buttonMinus) == HIGH) {
    if (currentNumber > 0) {
      currentNumber--;
    };
    displayDigit(currentNumber);
    delay(300);
  }
}