// Pin definitions for EC11 encoder
const int PIN_ENC_A = 1;     // DT pin
const int PIN_ENC_B = 0;     // CLK pin
const int PIN_ENC_BTN = 10;  // SW pin

// Variables for encoder state
volatile int counter = 1;    // Current value (1-3)
volatile int lastEncA = 0;   // Last state of encoder pin A
volatile int lastEncB = 0;   // Last state of encoder pin B

// Simple button debounce
unsigned long lastDebounceTime = 0;
const unsigned long debounceDelay = 10;  // Reduced debounce time
int lastButtonState = HIGH;
int buttonState = HIGH;

void setup() {
  // Configure pins
  pinMode(PIN_ENC_A, INPUT);
  pinMode(PIN_ENC_B, INPUT);
  pinMode(PIN_ENC_BTN, INPUT_PULLUP);
  
  Serial.begin(115200);
  Serial.println("\nEC11 Encoder Test - Button Debug");
  
  // Read initial states
  lastEncA = digitalRead(PIN_ENC_A);
  lastEncB = digitalRead(PIN_ENC_B);
  
  // Print pin mode confirmation
  Serial.print("Button Pin Mode: ");
  Serial.println(PIN_ENC_BTN);
  Serial.print("Initial Button Reading: ");
  Serial.println(digitalRead(PIN_ENC_BTN));
}

void loop() {
  // Encoder handling (unchanged)
  int encA = digitalRead(PIN_ENC_A);
  int encB = digitalRead(PIN_ENC_B);
  
  if (encA != lastEncA) {
    if (encA == 0) {
      if (encB == 1) {
        if (counter < 3) {
          counter++;
          Serial.print("Count: ");
          Serial.println(counter);
        }
      } else {
        if (counter > 1) {
          counter--;
          Serial.print("Count: ");
          Serial.println(counter);
        }
      }
    }
    lastEncA = encA;
  }
  
  // Simplified button handling with continuous monitoring
  int reading = digitalRead(PIN_ENC_BTN);
  
  // Always print button reading if it changed
  static int lastReading = -1;
  if (reading != lastReading) {
    Serial.print("Button Pin Reading: ");
    Serial.println(reading);
    lastReading = reading;
  }

  // If the button state changed, due to noise or pressing
  if (reading != lastButtonState) {
    lastDebounceTime = millis();
  }

  if ((millis() - lastDebounceTime) > debounceDelay) {
    // If the reading is different from the current button state
    if (reading != buttonState) {
      buttonState = reading;
      
      // If the new button state is LOW (pressed)
      if (buttonState == LOW) {
        Serial.println("BUTTON PRESSED - RESETTING");
        counter = 1;
        Serial.print("Counter reset to: ");
        Serial.println(counter);
      }
    }
  }
  
  lastButtonState = reading;
  delay(1); // Short delay for stability
}