#include <RTClib.h>
#include <Adafruit_NeoMatrix.h>
#include <Adafruit_GFX.h>
#include <Adafruit_NeoPixel.h>



#define dataPin       6
#define matrixWidth   16
#define matrixHeight  8
#define tilesX        1
#define tilesY        1

// RTC_DS3231 rtc;
RTC_DS1307 rtc;

Adafruit_NeoMatrix matrix = Adafruit_NeoMatrix(matrixWidth, matrixHeight, tilesX, tilesY, dataPin,
                            NEO_TILE_TOP   + NEO_TILE_LEFT   + NEO_TILE_ROWS   + NEO_TILE_PROGRESSIVE +
                            NEO_MATRIX_LEFT + NEO_MATRIX_COLUMNS + NEO_MATRIX_ZIGZAG,
                            NEO_GRB + NEO_KHZ800);


#define BLACK    0x0000
#define BLUE     0x001F
#define RED      0xF800
#define GREEN    0x07E0
#define CYAN     0x07FF
#define MAGENTA  0xF81F
#define YELLOW   0xFFE0
#define WHITE    0xFFFF

int Arduino [matrixWidth][matrixHeight] {}; // Main array 8x16

int Zahlen [][3] {  //nummber storage arry 0-9
  {1, 1, 1},   //0
  {1, 0, 1},
  {1, 0, 1},
  {1, 0, 1},
  {1, 1, 1},

  {0, 0, 1},   //1
  {0, 0, 1},
  {0, 0, 1},
  {0, 0, 1},
  {0, 0, 1},

  {1, 1, 1},   //2
  {0, 0, 1},
  {1, 1, 1},
  {1, 0, 0},
  {1, 1, 1},

  {1, 1, 1},   //3
  {0, 0, 1},
  {1, 1, 1},
  {0, 0, 1},
  {1, 1, 1},

  {1, 0, 1},   //4
  {1, 0, 1},
  {1, 1, 1},
  {0, 0, 1},
  {0, 0, 1},

  {1, 1, 1},   //5
  {1, 0, 0},
  {1, 1, 1},
  {0, 0, 1},
  {1, 1, 1},

  {1, 1, 1},   //6
  {1, 0, 0},
  {1, 1, 1},
  {1, 0, 1},
  {1, 1, 1},

  {1, 1, 1},   //7
  {0, 0, 1},
  {0, 0, 1},
  {0, 0, 1},
  {0, 0, 1},

  {1, 1, 1},   //8
  {1, 0, 1},
  {1, 1, 1},
  {1, 0, 1},
  {1, 1, 1},

  {1, 1, 1},   //9
  {1, 0, 1},
  {1, 1, 1},
  {0, 0, 1},
  {1, 1, 1}
};


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

  if (!rtc.begin()) {
    Serial.println("RTC not found!");
    while (1);
  }

  // if (rtc.lostPower()) {
  //   Serial.println("RTC has no power");
  //   rtc.adjust(DateTime(F(__DATE__), F(__TIME__)));
  // }

  matrix.begin();

  matrix.setBrightness(20);
  uint16_t numLEDs = matrix.numPixels();
  Serial.println(numLEDs);
}



void loop () {
  DateTime now = rtc.now(); // Holen der aktuellen Zeit

  Serial.print(now.year(), DEC);
  Serial.print('/');
  Serial.print(now.month(), DEC);
  Serial.print('/');
  Serial.print(now.day(), DEC);
  Serial.print(" ");
  Serial.print(now.hour(), DEC);
  Serial.print(':');
  Serial.print(now.minute(), DEC);
  Serial.print(':');
  Serial.print(now.second(), DEC);
  Serial.println();

  int einer_sec = now.second() % 10;
  int zehner_sec = (now.second() / 10) % 10;

  int einer_min = now.minute() % 10;
  int zehner_min = (now.minute() / 10) % 10;

  //byte einer_min = now.second() % 10;
  //byte zehner_min = (now.second() / 10) % 10;
  Serial.println(zehner_sec);

  int Nummer[] = {zehner_min, einer_min, zehner_sec, einer_sec};

  for (int Stelle = 0; Stelle < 4; Stelle++) {
    for (int reihe = 0; reihe < 5; reihe++) {
      for (int spalte = 0; spalte < 3; spalte++) {
        Arduino[reihe][spalte + (4 * Stelle)] = Zahlen[reihe + (5 * Nummer[Stelle])][spalte];
      }
    }
  }

  Arduino[10][0] = 1;
  for (int x = 0; x < 16; x++) {
    for (int y = 0; y < 8; y++) {
      if (Arduino[x][y]) {
        matrix.drawPixel(x, y, RED);
        Serial.println(x);
      }
    }
    Serial.println("loop");
  }

  Serial.println("End");
  matrix.show();
}