#define BLYNK_TEMPLATE_ID "TMPLi3TvcvWa"        //Budhadodo account
#define BLYNK_TEMPLATE_NAME "DHT sensor"
#define BLYNK_AUTH_TOKEN "9lubYbbEcu8dlM-BRgJ4pfI_1b6sSqvr"

#define BLYNK_PRINT Serial

#include <WiFi.h>
#include <WiFiClient.h>
#include <BlynkSimpleEsp32.h>

#include <MD_Parola.h>     // include MajicDesigns Parola library
#include <MD_MAX72xx.h>    // include MajicDesigns MAX72xx LED matrix library
#include <SPI.h>


// Your WiFi credentials
char auth[] = BLYNK_AUTH_TOKEN;

// Your WiFi credentials.
// Set password to "" for open networks.
char ssid[] = "Wokwi-GUEST";
char pass[] = "";


// Hardware setup
#define HARDWARE_TYPE MD_MAX72XX::PAROLA_HW    //FC16_HW (for real HW)
#define MAX_DEVICES 16 // If you're only using a single 32x8 display, set this to 4.
#define CLK_PIN   18 // cyan
#define DATA_PIN  23 // yellow
#define CS_PIN    15 // green
// define number of total cascaded modules
// Scrolling parameters
uint8_t frameDelay = 25;  // default frame delay value
textPosition_t scrollEffect = PA_LEFT; // default scroll effect is left
uint8_t scrollSpeed = 75; // default scroll speed value (change as needed)
bool scrollDirectionLeft = false; // flag to determine the scroll direction
bool invertDisplay = false; // flag to determine if the display is inverted
uint8_t brightnessLevel = 0; // default brightness level (range: 1-15)
// Global message buffers shared by Blynk and Scrolling functions
#define BUF_SIZE  512
char curMessage[BUF_SIZE];
char newMessage[BUF_SIZE];
bool newMessageAvailable = false;
// Define the LED matrix object
MD_Parola P = MD_Parola(HARDWARE_TYPE, CS_PIN, MAX_DEVICES);

void setup() {
  // Initialize serial communication
  Serial.begin(115200);
  // Connect to Wi-Fi
  WiFi.begin(ssid, pass);
  while (WiFi.status() != WL_CONNECTED) {
    delay(500);
    Serial.print(".");
  }
  Serial.println("Wi-Fi connected");
 
 
  // Initialize Blynk
  Blynk.begin(auth, ssid, pass);
 // Blynk.begin(auth, ssid, pass, "blr1.blynk.cloud", 80);
  //Blynk.begin(BLYNK_AUTH_TOKEN, ssid, pass, IPAddress(192,168,1,100), 8080);

  
  // Set up the scrolling display
  P.begin();
  P.displayClear();
  P.displaySuspend(false);
  P.displayScroll(curMessage, scrollEffect, scrollDirectionLeft ? PA_SCROLL_RIGHT : PA_SCROLL_LEFT, frameDelay);
  // Register a virtual pin handler for receiving messages from Blynk
  Blynk.virtualWrite(V0, "Developed by Budhaditya");
  // Set up the initial message as the IP address
  sprintf(curMessage, ".");
  Serial.println(curMessage);
}

void loop() {
  // Run Blynk
  Blynk.run();
  // Check if a new message is available and update the display
  if (newMessageAvailable) {
    strcpy(curMessage, newMessage);
    newMessageAvailable = false;
    P.displayReset();
  }
  // Animate the display
  if (P.displayAnimate()) {
    if (newMessageAvailable) {
      strcpy(curMessage, newMessage);
      newMessageAvailable = false;
    }
    P.displayReset();
  }
}
// Blynk virtual pin handler for receiving messages
BLYNK_WRITE(V0) {
  strncpy(newMessage, param.asString(), BUF_SIZE);
  newMessageAvailable = true;
}
// Blynk virtual pin handler for receiving scroll speed
BLYNK_WRITE(V1) {
  scrollSpeed = param.asInt();
  frameDelay = map(scrollSpeed, 0, 150, 150, 0);
  P.setSpeed(frameDelay); // Update the scroll speed
}
// Blynk virtual pin handler for receiving scroll direction
BLYNK_WRITE(V2) {
  scrollDirectionLeft = param.asInt();
  P.displayClear();
  P.displayScroll(curMessage, scrollEffect, scrollDirectionLeft ? PA_SCROLL_RIGHT : PA_SCROLL_LEFT, frameDelay);
}
// Blynk virtual pin handler for receiving invert display
BLYNK_WRITE(V3) {
  invertDisplay = param.asInt();
  P.displayClear();
  P.setInvert(invertDisplay);
}
// Blynk virtual pin handler for receiving brightness level
BLYNK_WRITE(V4) {
  brightnessLevel = param.asInt();
  P.setIntensity(brightnessLevel); // Set the brightness level
}