// Définir les broches
const int ledPinRouge = 2;
const int ledPinBleu = 4;
const int ledPinVert = 16;

const int buttonPin1 = 22;
const int buttonPin2 = 23;

// Pour le clignotement
unsigned long previousMillis = 0;
const long interval = 500;
bool ledBlancheClignote = false;

void setup() {
  pinMode(ledPinRouge, OUTPUT);
  pinMode(ledPinBleu, OUTPUT);
  pinMode(ledPinVert, OUTPUT);

  pinMode(buttonPin1, INPUT_PULLUP);
  pinMode(buttonPin2, INPUT_PULLUP);
}

void loop() {
  // Lire l'état des boutons
  bool button1 = digitalRead(buttonPin1);
  bool button2 = digitalRead(buttonPin2);

  if (button1 == HIGH) {
    // Bouton 1 relâché → LED rouge ON, autres OFF
    digitalWrite(ledPinRouge, HIGH);
    digitalWrite(ledPinBleu, LOW);
    digitalWrite(ledPinVert, LOW);
  } 
  else if (button1 == LOW && button2 == LOW) {
    // Bouton 1 ET 2 appuyés → clignotement LED blanche (R+G+B)
    if (millis() - previousMillis >= interval) {
      previousMillis = millis();
      ledBlancheClignote = !ledBlancheClignote;

      int state = ledBlancheClignote ? HIGH : LOW;
      digitalWrite(ledPinRouge, state);
      digitalWrite(ledPinBleu, state);
      digitalWrite(ledPinVert, state);
    }
  } 
  else if (button1 == LOW && button2 == HIGH) {
    // Bouton 1 seul appuyé → LED bleue ON, autres OFF
    digitalWrite(ledPinRouge, LOW);
    digitalWrite(ledPinBleu, HIGH);
    digitalWrite(ledPinVert, LOW);
  }
}