// Pin LED urut kiri → kanan (2..11)
int pins[] = {12, 11, 10, 9, 8, 7, 6, 5, 4, 3};

// Nama warna urut sesuai LED Anda:
String warna[] = {
  "merah", "biru", "hijau", "kuning", "orange",
  "putih", "ungu", "pink", "hijau_muda", "biru_muda"
};

void setup() {
  Serial.begin(9600);
  for (int i = 0; i < 10; i++) pinMode(pins[i], OUTPUT);

  Serial.println("Format perintah:");
  Serial.println("  [warna] on");
  Serial.println("  [warna] off");
  Serial.println("  all on  → semua LED menyala");
  Serial.println("  all off → semua LED mati");
}

void loop() {
  if (Serial.available()) {
    String cmd = Serial.readStringUntil('\n');
    cmd.trim();
    cmd.toLowerCase();

    // ---------------------------
    // Perintah ALL ON / ALL OFF
    // ---------------------------
    if (cmd == "all on") {
      for (int i = 0; i < 10; i++) digitalWrite(pins[i], HIGH);
      Serial.println("Semua LED menyala");
      return;
    }

    if (cmd == "all off") {
      for (int i = 0; i < 10; i++) digitalWrite(pins[i], LOW);
      Serial.println("Semua LED mati");
      return;
    }

    // ---------------------------
    // Perintah warna tunggal
    // ---------------------------
    int sp = cmd.indexOf(' ');
    if (sp == -1) return;

    String w = cmd.substring(0, sp);
    String aksi = cmd.substring(sp + 1);

    for (int i = 0; i < 10; i++) {
      if (w == warna[i]) {
        digitalWrite(pins[i], aksi == "on" ? HIGH : LOW);
        Serial.println(w + " " + aksi);
      }
    }
  }
}