const int ledPins[] = {26, 27, 28, 29, 6, 7, 0, 1, 2, 4};
const int numLEDs = 10;

const int buttonPin = 3;
int buttonState = 0;
bool statusButton = false;
int buffer = 0;
int blank = 0;
int towTime = 2;

String letter = "";

void setup() {
  for (int i = 0; i < numLEDs; i++) {
    pinMode(ledPins[i], OUTPUT);
  }
  pinMode(buttonPin, INPUT);
}

char convertMorseCharToLetter(String morseChar) {
  // All the alphabet in morse
  const char* morseLetters[] = {".-", "-...", "-.-.", "-..", ".", "..-.", "--.", "....", "..", ".---", "-.-", ".-..", 
                                 "--", "-.", "---", ".--.", "--.-", ".-.", "...", "-", "..-", "...-", ".--", "-..-", 
                                 "-.--", "--..", "-----", ".----", "..---", "...--", "....-", ".....", "-....", "--...", 
                                 "---..", "----.", ""};

  for (int i = 0; i < 37; i++) { 
    if (morseChar == morseLetters[i]) { // If there is a character
      if (i == 36) { // If it's empty
        return ' '; 
      } else {
        return char('A' + i); // Return the code ASCII from 'A' to the index
      }
    }
  }
  return '?'; // If not found
}

void loop() {

  for (int i = numLEDs - 1; i > 0; i--) { // Take the LED one by one by searching their position on LedPins
    digitalWrite(ledPins[i], digitalRead(ledPins[i - 1])); // set the correct state
  }

  if(statusButton || towTime == 1 || towTime == 2){ // if the button is engage, the first led is ON, otherwise the led is OFF
    digitalWrite(ledPins[0], 1);
    statusButton = 0;
    towTime +=1;
  }
  else
    digitalWrite(ledPins[0], 0);

  delay(100);
  buttonState = digitalRead(buttonPin); // read if the button in engage
  if(buttonState == 1){
    buffer +=1;
    blank = 0;
  }
  else //compt the empty time 
    blank+=1;

  if(buttonState == 0 && buffer != 0){ // if the button is pressed a sufficient ammont of time
    if(buffer == 1 || buffer == 2){ // simple click
      statusButton = 1;
      buffer = 0;
      letter += String(".");
    }
    if(buttonState == 0 && buffer >2){ // long click
      statusButton = 1;
      buffer = 0;
      towTime = 0;
      letter += String("-");
    }
  }

  if(blank > 15){
    blank = 0;
    Serial.print(convertMorseCharToLetter(letter));
    letter = "";
  } 
}


/*

        Serial.print("ici "); Serial.print(i);Serial.println(ledPins[i-1]);

  buttonState = digitalRead(buttonPin);

  // check if the pushbutton is pressed. If it is, the buttonState is HIGH:
  if (buttonState == HIGH) {
    // turn LED on:
    digitalWrite(ledPin, HIGH);
  } else {
    // turn LED off:
    digitalWrite(ledPin, LOW);
  }

digitalWrite(26, HIGH); 
  digitalWrite(27, HIGH); 
  digitalWrite(28, HIGH);
  digitalWrite(29, HIGH); 
  digitalWrite(6, HIGH);
  digitalWrite(7, HIGH);
  digitalWrite(0, HIGH);
  digitalWrite(2, HIGH);
  digitalWrite(1, HIGH);
  digitalWrite(4, HIGH);  
  delay(1000);                      
  digitalWrite(26, LOW);                         
  digitalWrite(27, LOW);                        
  digitalWrite(28, LOW);                         
  digitalWrite(29, LOW);                         
  digitalWrite(6, LOW);                         
  digitalWrite(7, LOW);                         
  digitalWrite(0, LOW);                        
  digitalWrite(4, LOW);                        
  digitalWrite(2, LOW);                        
  digitalWrite(1, LOW);   
  delay(1000);*/