#include "SevSeg.h"
#include "RTClib.h"

SevSeg sevseg;
RTC_DS1307 rtc;



String getTimeString() {
  DateTime now = rtc.now();
  int hour = now.hour();
  int minute = now.minute();
  
  char timeStr[10];
  sprintf(timeStr, "%02d:%02d:%02d", hour, minute);
  return String(timeStr);
}

void setup() {
  Serial.begin(115200);
  if (!rtc.begin()) {
    Serial.println("Couldn't find RTC");
  }

  byte numDigits = 6;
  byte digitPins[] = {15, 14, 2, 5};
  byte segmentPins[] = {12, 4, 16, 19, 26, 27, 13, 18, 25};
  bool resistorsOnSegments = false;
  byte hardwareConfig = COMMON_ANODE;
  bool updateWithDelays = false;
  bool disableDecPoint = false;

  sevseg.begin(hardwareConfig, numDigits, digitPins, segmentPins, resistorsOnSegments,
               updateWithDelays,  disableDecPoint);
  sevseg.setBrightness(90);

}

void loop() {
  String timeStr = getTimeString();
  Serial.println(timeStr);

  sevseg.setChars(timeStr.c_str());

  if (digitalRead(34) == LOW) {
    sevseg.setBrightness(180);
  }
  if (digitalRead(34) == HIGH) {
    sevseg.setBrightness(90);
  }

  sevseg.refreshDisplay();
  delay(1000);
}