#include <Adafruit_GFX.h>
#include <Adafruit_NeoMatrix.h>
#include <Adafruit_NeoPixel.h>
#ifdef __AVR__
#include <avr/power.h>
#endif


//Things can be adjusted
#define duration 15 //duration message should scroll for in seconds e.g 240=4minute
#define brightness 200 //keep between --255
int counter = -1; //keep count of which message to be displayed
#define NumMessages 10
String message[NumMessages] = {
  "Have a lovely Day",
  "Mothers Day",
  "Good Morning",
  "Best of Luck",
  "Keep it simple",
  "Never give up",
  "Give it your best",
  "Let it be",
  "You are the Best!"
};
const int textSize = 2; // Adjust text size here (1 = smallest, increase for larger text)
const int scrollSpeed = 20000; // Adjust scroll speed here (lower value = faster scrolling)



#define NEO_PIN 5
#define NEO_WIDTH 32
#define NEO_HEIGHT 16
Adafruit_NeoMatrix matrix = Adafruit_NeoMatrix(NEO_WIDTH, NEO_HEIGHT, NEO_PIN,
                            NEO_MATRIX_TOP     + NEO_MATRIX_LEFT +
                            NEO_MATRIX_ROWS + NEO_MATRIX_ZIGZAG,
                            NEO_GRB            + NEO_KHZ800);

const uint16_t colors[] = {matrix.Color(255, 0, 0), matrix.Color(120, 150, 0), matrix.Color(0, 0, 255), matrix.Color(195, 180, 90), matrix.Color(40, 80, 70), matrix.Color(220, 210, 120), matrix.Color(150, 200, 220)};
long int timer = 0;
bool flag = false;
int c = 0;

void setup() {
  Serial.begin(115200);
  pinMode(23, INPUT_PULLUP);
  matrix.begin();
  matrix.setTextWrap(false);
  matrix.setBrightness(brightness); // Set brightness level, adjust if necessary
  matrix.setTextSize(textSize); // Set text size
}

void mover()
{
  int i = random(10);
  while (i == counter)
    i = random(10);
  counter = i;
  flag = true;
  c = 0;
  delay(100);
}

void loop() {
  int16_t textHeight = matrix.height() * textSize; // Calculate adjusted text height
  int16_t yPos = 0; // Center vertically
  if (flag) {
    timer = millis();
    long current = millis();
    c = 0;
    while (c < duration)
    {
      int choice = counter;
      int16_t textWidth = message[choice].length(); // Calculate adjusted text width
      textWidth = textWidth * 12;
      for (int16_t x = matrix.width(); x >= -textWidth; x--) {
        if (timer < (current - 1000))
        {
          c++;
          timer = current;
        }
        current = millis();
        Serial.println(c);
        if (digitalRead(23) == LOW)
          mover();
        matrix.fillScreen(0); // Clear the matrix
        matrix.setTextColor(colors[random(7)]);
        matrix.setCursor(x, yPos);
        matrix.print(message[choice]);
        matrix.show();
        delayMicroseconds(scrollSpeed); // Adjust scrolling speed here
      }
    }
    flag = false;
  }
  if (digitalRead(23) == LOW)
    mover();
}