#include <Wire.h>
#include <RTClib.h>
#include <Adafruit_NeoPixel.h>
#include "NeoSegments.h"

#define DATA_PIN 11
#define PIXELS_PER_SEGMENT 6
#define NUM_PIXELS 270  // Increased to fit HH:MM:SS

Adafruit_NeoPixel strip(NUM_PIXELS, DATA_PIN, NEO_GRB + NEO_KHZ800);
NeoSegments segs(strip, PIXELS_PER_SEGMENT);
RTC_DS1307 rtc;

void setup() {
 Serial.begin(9600);
  Wire.begin();

  if (!rtc.begin()) {
    Serial.println("Couldn't find RTC");
    while (1);
  }  


  if (!rtc.isrunning()) {
    Serial.println("RTC is NOT running!");
    rtc.adjust(DateTime(F(__DATE__), F(__TIME__)));  // Set time to compile time
  }

  segs.begin();
  segs.setDigitColor(strip.Color(255, 0, 0));  // Default green

  // Register two colons for HH:MM:SS format
  segs.registerSymbol(':', 2, true);  // colon
  segs.registerSymbol(';', 2, false); // hidden colon 
  segs.registerSymbol('.', 4, true); // period
  segs.registerSymbol('#', 4, false); // period hidden
  const uint8_t N_segments[7] = {1, 1, 1, 0, 1, 1, 0};
  const uint8_t E_segments[7] = {1, 0, 0, 1, 1, 1, 1}; 
  const uint8_t O_segments[7] = {1, 1, 1, 1, 1, 1, 0};
  const uint8_t S_segments[7] = {1, 0, 1, 1, 0, 1, 1}; 
  const uint8_t G_segments[7] = {1, 0, 1, 1, 1, 1, 0}; 
  segs.registerDigit('N', N_segments);
  segs.registerDigit('E', E_segments);
  segs.registerDigit('O', O_segments);
  segs.registerDigit('S', S_segments);
  segs.registerDigit('G', G_segments);
}



void loop() {
  DateTime now = rtc.now();
 
  char timeString[9];
  sprintf(timeString, "%02d:%02d:%02d.", now.hour(), now.minute(), now.second());
  segs.setString(timeString);
  Serial.println(timeString);
  segs.update();
  delay(100);
}