#include "SevenSegmentTM1637.h"
// #include "SevenSegmentExtended.h"
#include "OneButton.h"

#define PIN_INPUT 9
#define PIN_LED 13

const byte PIN_CLK = 2;  // define CLK pin (any digital pin)
const byte PIN_DIO = 3;  // define DIO pin (any digital pin)

int hours, minutes, seconds;
bool db = true;
bool timeEdit = false;
char time[5] = "0000";
int ledState = LOW;

SevenSegmentTM1637 display(PIN_CLK, PIN_DIO);
OneButton button(PIN_INPUT, true, true);

unsigned long prevMillis = 0;
const unsigned long interval = 1000;

void setup() {
  Serial.begin(9600);         // initializes the Serial connection @ 9600 baud
  display.init();             // initializes the display
  display.setBacklight(100);  // set the brightness to 100 %

  sscanf(__TIME__, "%d:%d:%d", &hours, &minutes, &seconds);

  pinMode(PIN_LED, OUTPUT);  // sets the digital pin as output
  digitalWrite(PIN_LED, ledState);

  // setup OneButton
  button.attachDoubleClick(doubleClick);
  button.isLongPressed();
  button.attachClick(oneClick);
}

void loop() {
  unsigned long currentMillis = millis();

  button.tick();  // Kontrola tlačidla

  if (currentMillis - prevMillis >= interval) {
    prevMillis = currentMillis;

    db = !db;
    display.setColonOn(db);
    sprintf(time, "%02d%02d", hours, minutes);
    display.print(String(time));  // display time
    Serial.println(time);

    seconds++;
    if (seconds >= 60) {
      seconds = 0;
      minutes++;
      if (minutes >= 60) {
        minutes = 0;
        hours++;
        if (hours >= 24) {
          hours = 0;
        }
      }
    }
  }
}

void doubleClick() {
  timeEdit = !timeEdit;
  Serial.println(timeEdit);
  display.blink(100, 3);
  ledState = !ledState;  // reverse the LED
  digitalWrite(PIN_LED, ledState);
  Serial.println("x2");
}

void oneClick() {
  Serial.println("x1");
  ledState = !ledState;  // reverse the LED
  digitalWrite(PIN_LED, ledState);
  if (timeEdit == true) {
    seconds = 0;
    minutes++;
    if (minutes >= 60) {
      minutes = 0;
      hours++;
      if (hours >= 24) {
        hours = 0;
      }
    }
  }
}


void LongPress() {
  Serial.println("x1");
  ledState = !ledState;  // reverse the LED
  digitalWrite(PIN_LED, ledState);
  if (timeEdit == true) {
    seconds = 0;
    minutes++;
    if (minutes >= 60) {
      minutes = 0;
      hours++;
      if (hours >= 24) {
        hours = 0;
      }
    }
  }
}