#include <TM1637Display.h>
#include <ClickEncoder.h>
#include <TimerOne.h>

#define CLK 2
#define DIO 3

TM1637Display display(CLK, DIO);

#define topBulbPin 9
#define frontRightPin 3
#define frontCenterPin 5
#define frontLeftPin 6
#define encoderPinA 10  // Připojte pin A enkodéru k digitálnímu pinu 10 na Arduino
#define encoderPinB 11  // Připojte pin B enkodéru k digitálnímu pinu 11 na Arduino
#define encoderButtonPin 12 // Připojte tlačítko enkodéru k digitálnímu pinu 12 na Arduino


int topBulbBrightness = 255;

// Proměnné pro enkodér
long lastValue = 0;
long value = 137;
char dimensionLetter = 'C';

ClickEncoder encoder(encoderPinA, encoderPinB, encoderButtonPin, 2);

void setup() {
  pinMode(topBulbPin, OUTPUT);
  pinMode(frontRightPin, OUTPUT);
  pinMode(frontLeftPin, OUTPUT);
  pinMode(frontCenterPin, OUTPUT);

  digitalWrite(frontRightPin, HIGH);
  digitalWrite(frontLeftPin, HIGH);
  digitalWrite(frontCenterPin, HIGH);
  digitalWrite(topBulbPin, HIGH);

  display.setBrightness(0x0f);

  Timer1.initialize(1000);
  Timer1.attachInterrupt(timerIsr);

  encoder.setAccelerationEnabled(true);
}

void loop() {
    display.clear();
    display.showNumberDecEx('R', 'I', 'C', 'K', 0b1000, false);
    digitalWrite(frontRightPin, LOW);
    digitalWrite(frontLeftPin, LOW);
    digitalWrite(frontCenterPin, LOW);
    digitalWrite(topBulbPin, LOW);
    display.setBrightness(0x00);
    delay(5000);
    display.clear();
    display.setBrightness(0x0f);
    delay(5000);
    goToSleep();

  ClickEncoder::Button b = encoder.getButton();
  switch (b) {
    case ClickEncoder::Clicked:
      digitalWrite(frontRightPin, LOW);
      digitalWrite(frontLeftPin, LOW);
      digitalWrite(frontCenterPin, LOW);
      digitalWrite(topBulbPin, LOW);
      break;
    case ClickEncoder::DoubleClicked:
      dimensionLetter = 'C';
      value = 137;
      break;
    case ClickEncoder::Open:
      long newValue = encoder.getValue();
      value += newValue;
      if (value > 999) {
        value = 0;
        if (dimensionLetter == 'Z') {
          dimensionLetter = 'A';
        } else {
          dimensionLetter++;
        }
      } else if (value < 0) {
        value = 999;
        if (dimensionLetter == 'A') {
          dimensionLetter = 'Z';
        } else {
          dimensionLetter--;
        }
      }
      lastValue = value;
      break;
  }

  char displayBuffer[4];
  sprintf(displayBuffer, "%03d", value);
  display.showNumberDec(displayBuffer);
}

void timerIsr() {
  encoder.service();
}

void goToSleep() {
  set_sleep_mode(SLEEP_MODE_PWR_DOWN);
  sleep_enable();
  sei();
  sleep_cpu();
  sleep_disable();
  cli();
}