const int pinRed = 9;
const int pinGreen = 10;
const int pinBlue = 11;
const int buttonPin = 2;
const int buzzerPin = 3;

int currentColor = 1; // 1 = vermelho, 2 = verde, 3 = azul
bool ledOn = true;

unsigned long buttonPressTime = 0;
bool buttonPressed = false;
bool longPressHandled = false;

const unsigned long debounceDelay = 50;  // debounce de 50ms
unsigned long lastDebounceTime = 0;

void updateLed();

void setup() {
  pinMode(pinRed, OUTPUT);
  pinMode(pinGreen, OUTPUT);
  pinMode(pinBlue, OUTPUT);
  pinMode(buttonPin, INPUT_PULLUP);
  pinMode(buzzerPin, OUTPUT);
 
  Serial.begin(9600);  // inicializa comunicação serial
  updateLed();
}

void loop() {
  int buttonState = digitalRead(buttonPin);


  if (buttonState == LOW && !buttonPressed) {
    if (millis() - lastDebounceTime > debounceDelay) {
      buttonPressed = true;
      buttonPressTime = millis();
      longPressHandled = false;
      lastDebounceTime = millis();
    }
  }


  if (buttonState == LOW && buttonPressed) {
    if (!longPressHandled && millis() - buttonPressTime > 1000) {  // clique longo 1s
      ledOn = !ledOn;
      updateLed();
      longPressHandled = true;
    }
  }


  if (buttonState == HIGH && buttonPressed) {
    if (millis() - lastDebounceTime > debounceDelay) {
      buttonPressed = false;
      lastDebounceTime = millis();
      if (!longPressHandled && ledOn) {
        currentColor++;
        if (currentColor > 7) currentColor = 1;
        updateLed();
      }
    }
  }
}


void updateLed() {
  if (!ledOn) {
    analogWrite(pinRed, 0);
    analogWrite(pinGreen, 0);
    analogWrite(pinBlue, 0);
    noTone(buzzerPin);
    Serial.println("LED desligado");
    return;
  }


  switch (currentColor) {
    case 1: // vermelho
      analogWrite(pinRed, 255);
      analogWrite(pinGreen, 0);
      analogWrite(pinBlue, 0);
      tone(buzzerPin, 500); // som vermelho
      Serial.println("Problema Mecânico");
      break;
    case 2: // verde
      analogWrite(pinRed, 0);
      analogWrite(pinGreen, 255);
      analogWrite(pinBlue, 0);
      tone(buzzerPin, 1000); // som verde
      Serial.println("Documentação Pendente");
      break;
    case 3: // azul
      analogWrite(pinRed, 0);
      analogWrite(pinGreen, 0);
      analogWrite(pinBlue, 255);
      tone(buzzerPin, 1500); // som azul
      Serial.println("Problema Elétrico");
      break;
    case 4: // amarelo
      analogWrite(pinRed, 255);
      analogWrite(pinGreen, 255);
      analogWrite(pinBlue, 0);
      tone(buzzerPin, 2000); // som amarelo
      Serial.println("Problema Estético");
      break;
    case 5: // laranja
      analogWrite(pinRed, 255);
      analogWrite(pinGreen, 50);
      analogWrite(pinBlue, 0);
      tone(buzzerPin, 2500); // som laranja
      Serial.println("Problema Segurança");
      break;
    case 6: // rosa
      analogWrite(pinRed, 150);
      analogWrite(pinGreen, 0);
      analogWrite(pinBlue, 0);
      tone(buzzerPin, 3000); // som rosa
      Serial.println("Problemas Múltiplos");
      break;
    case 7: // roxo
      analogWrite(pinRed, 130);
      analogWrite(pinGreen, 0);
      analogWrite(pinBlue, 255);
      tone(buzzerPin, 3500); // som roxo
      Serial.println("Motocicleta Pronta para Uso");
      break;
  }
}