#include <MD_MAX72xx.h>
#include <WiFiUdp.h>
#include <NTPClient.h>
#include <TimeLib.h> // Or similar time handling library

// Define hardware connections (adjust as needed)
#define CLK_PIN   13
#define DATA_PIN  11
#define CS_PIN    10
#define MAX_DEVICES 1 // Number of MAX7219 modules chained

MD_MAX72xx display = MD_MAX72xx(DATA_PIN, CLK_PIN, CS_PIN, MAX_DEVICES);

// WiFi credentials
const char* ssid = "your_SSID";
const char* password = "your_PASSWORD";

// NTP client setup
WiFiUDP ntpUDP;
NTPClient timeClient(ntpUDP, "pool.ntp.org", 7 * 3600); // Adjust for your timezone offset in seconds

void setup() {
  Serial.begin(115200);
  display.begin();
  display.setIntensity(7); // Adjust brightness (0-15)

  // Connect to WiFi
  WiFi.begin(ssid, password);
  while (WiFi.status() != WL_CONNECTED) {
    delay(500);
    Serial.print(".");
  }
  Serial.println("\nWiFi connected.");

  // Initialize NTP client
  timeClient.begin();
}

void loop() {
  timeClient.update(); // Update time from NTP server
  time_t epochTime = timeClient.getEpochTime();

  // Get current time components
  int currentHour = hour(epochTime);
  int currentMinute = minute(epochTime);
  int currentSecond = second(epochTime);

  // Display time on 7-segment display
  display.setChar(7, currentSecond % 10);
  display.setChar(6, currentSecond / 10);
  display.setChar(5, currentMinute % 10);
  display.setChar(4, currentMinute / 10);
  display.setChar(3, currentHour % 10);
  display.setChar(2, currentHour / 10);
  // You can add separators or date information on remaining digits

  delay(1000); // Update every second
}