#include <MD_Parola.h>
#include <MD_MAX72xx.h>
#include <SPI.h>

#define HARDWARE_TYPE MD_MAX72XX::PAROLA_HW

// Define the pin numbers for the 7-segment display segments
const int segmentA = 2;
const int segmentB = 3;
const int segmentC = 4;
const int segmentD = 5;
const int segmentE = 6;
const int segmentF = 7;
const int segmentG = 8;

const int BUTTON_PIN = 9;

int buttonState = LOW; 

const int MAX_DEVICES = 1;
const int CLK_PIN = 13;
const int DATA_PIN = 11;
const int CS_PIN = 10;


MD_Parola P = MD_Parola(HARDWARE_TYPE, CS_PIN, MAX_DEVICES);

int scrollSpeed = 200;
int scrollPause = 0; 


void setup() {
  Serial.begin(115200);
  pinMode(BUTTON_PIN, INPUT);

  P.begin();
  P.setIntensity(15);

   // Set the display segments as OUTPUT
  pinMode(segmentA, OUTPUT);
  pinMode(segmentB, OUTPUT);
  pinMode(segmentC, OUTPUT);
  pinMode(segmentD, OUTPUT);
  pinMode(segmentE, OUTPUT);
  pinMode(segmentF, OUTPUT);
  pinMode(segmentG, OUTPUT);

  
}


int i = 0;

void loop() {

  buttonState = digitalRead(BUTTON_PIN);

  if (buttonState == HIGH) {
    delay(50);
    i = i+1;
    if (i > 9) {
      i = 0;
    }
    delay(1000);

    if (P.displayAnimate())
      {
        P.displayReset();
        char str;
        snprintf(str, sizeof(str), "%d", i);
        P.displayText(str, PA_LEFT, scrollSpeed, scrollPause, PA_SCROLL_LEFT, PA_SCROLL_LEFT);
      }
  }

  displayNumber(i);
  buttonState = LOW;
}

// Function to display a digit on the 7-segment display
void displayNumber(int num) {
  // Define a common anode 7-segment display truth table
  // You may need to modify this based on your display's pin configuration
  const byte digitMap[] = {
    0b00111111, // 0
    0b00000110, // 1
    0b01011011, // 2
    0b01001111, // 3
    0b01100110, // 4
    0b01101101, // 5
    0b01111101, // 6
    0b00000111, // 7
    0b01111111, // 8
    0b01101111  // 9
  };

  if (num >= 0 && num <= 9) {
    byte displayValue = digitMap[num];
    digitalWrite(segmentA, bitRead(displayValue, 0));
    digitalWrite(segmentB, bitRead(displayValue, 1));
    digitalWrite(segmentC, bitRead(displayValue, 2));
    digitalWrite(segmentD, bitRead(displayValue, 3));
    digitalWrite(segmentE, bitRead(displayValue, 4));
    digitalWrite(segmentF, bitRead(displayValue, 5));
    digitalWrite(segmentG, bitRead(displayValue, 6));
  }
}