/*
 * HelloWorldWeek8.ino
 * XIAO ESP32-C3 on revised HelloWorld board (JLCPCB)
 *
 * Button on D7 — internal pull-up (reads LOW when pressed)
 * LEDs on D8 and D9 — toggle on each button press
 */

#define SWITCH_PIN  D7
#define LED1_PIN    D8
#define LED2_PIN    D9

bool ledState = false;
bool lastButtonState = HIGH;

void setup() {
  Serial.begin(115200);
  pinMode(SWITCH_PIN, INPUT_PULLUP);
  pinMode(LED1_PIN, OUTPUT);
  pinMode(LED2_PIN, OUTPUT);

  digitalWrite(LED1_PIN, LOW);
  digitalWrite(LED2_PIN, LOW);
}

void loop() {
  bool currentButtonState = digitalRead(SWITCH_PIN);

  if (lastButtonState == HIGH && currentButtonState == LOW) {
    delay(50);
    ledState = !ledState;
    digitalWrite(LED1_PIN, ledState ? HIGH : LOW);
    digitalWrite(LED2_PIN, ledState ? HIGH : LOW);
    Serial.println(ledState ? "LED ON" : "LED OFF");
  }

  lastButtonState = currentButtonState;
  delay(10);
}