#include <Arduino.h>
#include <FastLED.h>
#include <ESPDateTime.h>
#include <WiFi.h>

const char* ssid = "Wokwi-GUEST";
const char* password = "";

#define DATA_PIN 14

const int width = 32; // links nach rechts = 0 : 31
const int height = 8; // oben nach unten = 0 : 7
const int NUM_LEDS = (width*height); 
const uint8_t INT6x4[10][6] = {
    {6,9,9,9,9,6}, // 0
    {6,7,6,6,6,6}, // 1
    {}, // 2
    {}, // 3
    {}, // 4
    {}, // 5
    {}, // 6
    {}, // 7
    {}, // 8
    {}, // 9
  };

enum Strings{ COLON = 10};

int rundum = 0;
long interval = 400;
long old1 = 0;
long old2 = 300;
long fOld = 0;
long finterval = interval/2-1;

struct cursor {
  int x = 0;
  int y = 0;
}cursor;

struct Matrix {
  // bool is_lines = false; // Matrix is separated into columns if false
  int width = width;
  int height = height;
} Matrix;

// const int NUM_LEDS = (width*height); 
CRGB leds[NUM_LEDS];

bool set_cursor(int x,int y){
  if (x > 0 && y > 0){
    cursor.x = x;
    cursor.y = y;
    return true;
  } 
  else return false;
};

int Value (int h=0, int w=0, int x=0, int y=0, int r = 1){
  return (w+x<width?(w+x+1)*height:(w+x+1-width)*height) -y-h-1;
  // return (w+x<width?w+x:w+x-width)+y*width+h*width;
}

void print_num(int c, int x=0, int y=0){
  for (int h = 0;h<6;h++){
    for (int w=0;w<4;w++){
      // Serial.println(w+x<width?w+x:w+x-width);
      leds[Value(h,w,x,y)] = (INT6x4[c][h]>>w&1)?CRGB::Red:CRGB::Black;
    }
  }
}

void setup() { 
    Serial.begin(9600);
    Serial.println("Test:");
    FastLED.addLeds<NEOPIXEL, DATA_PIN>(leds, NUM_LEDS);
    WiFi.begin(ssid, password, 6);
    DateTime.setServer("de.pool.ntp.org");
    DateTime.setTimeZone("GMT+1");
    DateTime.begin();
	  DateTimeParts p = DateTime.getParts();
    Serial.println(p.getHours()/10);
  }

void loop() {
    // if (millis()-old1 > interval) {FastLED.clear();print_num(1,rundum,1); old1 = millis();FastLED.show();};
    // FastLED.show();
    // delay(500);
    if (millis()-old2 > interval) {FastLED.clear();print_num(0,rundum,1);print_num(0,rundum+4,1); old2 = millis();if (++rundum >= width) rundum = 0;FastLED.show();};
    // if (millis()-fOld > finterval) {FastLED.show(); fOld = millis();};
    // delay(500);
    // print_num(1,6,1);
    // FastLED.show();
    // delay(500);
    // print_num(0,6,1);
    // FastLED.show();
    // delay(500);
    
       
}