#include <WiFi.h>
#include <Adafruit_GFX.h>
#include <Adafruit_LEDBackpack.h>

//#define WIFI_SSID "parthhvaghanii"
//#define WIFI_PASS "parth123"

// Define the I2C address of the 4-in-1 8x8 Dot Matrix Display module
#define DISPLAY_ADDRESS 0x70

Adafruit_AlphaNum4 matrix = Adafruit_AlphaNum4();

void setup() {
  Serial.begin(115200);
  matrix.begin(DISPLAY_ADDRESS);
  
  // Connect to WiFi
  /*WiFi.begin(WIFI_SSID, WIFI_PASS);
  while (WiFi.status() != WL_CONNECTED) {
    delay(1000);
    Serial.println("Connecting to WiFi...");
  }
  Serial.println("Connected to WiFi!");*/

  // Set up initial text on the display
  matrix.writeDigitAscii(0, 'S');
  matrix.writeDigitAscii(1, 'M');
  matrix.writeDigitAscii(2, 'A');
  matrix.writeDigitAscii(3, 'R');
  matrix.writeDisplay();
}

void loop() {
  // Check for new messages to display
  // You can implement the logic to receive messages from a server or any other source.
  String message = "Hello, World!"; // Replace this with your actual message
  
  // Display the message on the matrix display
  if (message.length() <= 4) {
    for (int i = 0; i < message.length(); i++) {
      matrix.writeDigitAscii(i, message[i]);
    }
    for (int i = message.length(); i < 4; i++) {
      matrix.writeDigitAscii(i, ' ');
    }
  } else {
    // If the message is longer than 4 characters, scroll it on the display
    for (int i = 0; i < message.length() + 4; i++) {
      for (int j = 0; j < 4; j++) {
        int charIndex = i + j;
        if (charIndex >= message.length()) {
          matrix.writeDigitAscii(j, ' ');
        } else {
          matrix.writeDigitAscii(j, message[charIndex]);
        }
      }
      matrix.writeDisplay();
      delay(500); // Adjust the scroll speed if needed
    }
  }

  // Add a delay between messages or checks to avoid flooding the display
  delay(3000);
}