#include <MD_Parola.h>
#include <MD_MAX72xx.h>
#include <SPI.h>
#include "Font_Data.h" // Make sure this is in your sketch folder

#define HARDWARE_TYPE MD_MAX72XX::FC16_HW // Or adjust if not using FC16 modules
#define NUM_ZONES 2 // Upper and lower zones
#define ZONE_SIZE 2 // Modules per zone (adjust if different)
#define MAX_DEVICES 4 // Total number of modules (adjust to match your display)

#define ZONE_UPPER 1
#define ZONE_LOWER 0

#define PAUSE_TIME 0
#define SCROLL_SPEED 50

#define CLK_PIN 18
#define DATA_PIN 23
#define CS_PIN 5

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

const char *msgL[] = {"MakerSpaceKanpur"}; // Text for the lower zone
char *msgH; // Text for the upper zone

void setup() {
  Serial.begin(115200);
  int max = 0;
  for (int i = 0; i < ARRAY_SIZE(msgL); i++) {
    if (strlen(msgL[i]) > max) max = strlen(msgL[i]);
  }
  msgH = (char *)malloc(sizeof(char) * (max + 2)); // Allocate memory
  P.begin(NUM_ZONES);
  P.setZone(ZONE_LOWER, 0, ZONE_SIZE - 1);
  P.setZone(ZONE_UPPER, ZONE_SIZE, MAX_DEVICES - 1);
  P.setFont(BigFont); // Use the double-height font
  P.setCharSpacing(P.getCharSpacing() * 2);

  P.setZoneEffect(ZONE_UPPER, true, PA_FLIP_UD); // Flip upper zone (adjust as needed)
  P.setZoneEffect(ZONE_UPPER, true, PA_FLIP_LR); // Flip upper zone (adjust as needed)
}

void createHString(char *pH, const char *pL) {
  for (; *pL != '\0'; pL++) {
    *pH++ = *pL | 0x80; // Crucial for double-height characters
  }
  *pH = '\0';
}

void loop() {
  static uint8_t cycle = 0;
  P.displayAnimate();

  if (P.getZoneStatus(ZONE_LOWER) && P.getZoneStatus(ZONE_UPPER)) {
    createHString(msgH, msgL[cycle]); // Create the upper zone string
    P.displayClear();
    P.displayZoneText(ZONE_LOWER, msgL[cycle], PA_LEFT, SCROLL_SPEED, PAUSE_TIME, PA_SCROLL_LEFT, PA_SCROLL_LEFT);
    P.displayZoneText(ZONE_UPPER, msgH, PA_LEFT, SCROLL_SPEED, PAUSE_TIME, PA_SCROLL_RIGHT, PA_SCROLL_RIGHT);
    cycle = (cycle + 1) % ARRAY_SIZE(msgL);
    P.synchZoneStart();
  }
}