const int buttonPin = 14;  // Pin untuk tombol
const int ledPin = 27;    // Pin untuk LED

// Variabel global
unsigned long buttonPressTime = 0;
bool buttonPressed = false;

// Morse code mappings
const char *morseCode[] = {".-", "-...", "-.-.", "-..", ".", "..-.", "--.", "....", "..", ".---", "-.-", ".-..", "--", "-.", "---", ".--.", "--.-", ".-.", "...", "-", "..-", "...-", ".--", "-..-", "-.--", "--.."};

void setup() {
  pinMode(ledPin, OUTPUT);      // Mengatur pin LED sebagai output
  pinMode(buttonPin, INPUT);    // Mengatur pin tombol sebagai input
  digitalWrite(ledPin, LOW);    // Matikan LED awalnya
  Serial.begin(9600);           // Mulai komunikasi serial
}

void loop() {
  // Membaca status tombol
  bool buttonState = digitalRead(buttonPin);

  // Jika tombol ditekan
  if (buttonState == HIGH && !buttonPressed) {
    buttonPressed = true;
    buttonPressTime = millis();
  }

  // Jika tombol dilepas
  if (buttonState == LOW && buttonPressed) {
    buttonPressed = false;
    unsigned long pressDuration = millis() - buttonPressTime;

    if (pressDuration < 500) {   // Tombol ditekan singkat
      MorseCode(".");
    } else {                     // Tombol ditekan lama
      MorseCode("-");
    }
  }

  // Menunggu 1 detik setelah satu karakter selesai diinputkan
  if (millis() - buttonPressTime > 1000 && buttonPressed) {
    buttonPressed = false;
    MorseCode(" ");
  }
}

void MorseCode(const char* code) {
  for (int i = 0; code[i] != '\0'; i++) {
    if (code[i] == '.') {
      digitalWrite(ledPin, HIGH);  // LED menyala
      delay(250);                  // Waktu titik
      digitalWrite(ledPin, LOW);   // LED mati
      delay(250);                  // Jeda antar-titik
    } else if (code[i] == '-') {
      digitalWrite(ledPin, HIGH);  // LED menyala
      delay(750);                  // Waktu garis
      digitalWrite(ledPin, LOW);   // LED mati
      delay(250);                  // Jeda antar-garis
    } else if (code[i] == ' ') {
      delay(1000);                 // Jeda antar-karakter
    }
  }
}