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

// Blynk authentication token
char auth[] = "-MTlZDVfN3VdXpmmbidhgvAANRZMV9n0";

// WiFi credentials
char ssid[] = "";
char pass[] = "";

// Seven segment display pins
int digit1 = 2;
int digit2 = 3;
int digit3 = 4;
int segA = 5;
int segB = 6;
int segC = 7;
int segD = 8;
int segE = 9;
int segF = 10;
int segG = 11;
int segDP = 12;

SevSeg sevseg;

// Button pins
int resetButton = 13;
int incButton = 14;
int decButton = 15;

// Variables for seven-segment display
int displayValue = 0;

// Blynk virtual pins
WidgetLCD lcd(V1);

BlynkTimer timer;

void checkButtons() {
  // Check if the reset button is pressed
  if (digitalRead(resetButton) == LOW) {
    displayValue = 0;
  }

  // Check if the increment button is pressed
  if (digitalRead(incButton) == LOW) {
    displayValue++;
    if (displayValue > 999) {
      displayValue = 999;
    }
  }

  // Check if the decrement button is pressed
  if (digitalRead(decButton) == LOW) {
    displayValue--;
    if (displayValue < 0) {
      displayValue = 0;
    }
  }

  // Update Blynk LCD widget
  lcd.clear();
  lcd.print(0, 0, "Value:");
  lcd.print(0, 1, String(displayValue));
}

void setup() {
  // Setup Blynk
  Blynk.begin(auth, ssid, pass);

  // Setup buttons
  pinMode(resetButton, INPUT_PULLUP);
  pinMode(incButton, INPUT_PULLUP);
  pinMode(decButton, INPUT_PULLUP);

  // Setup seven-segment display
  sevseg.begin(COMMON_CATHODE, 4, digit1, digit2, digit3, segA, segB, segC, segD, segE, segF, segG, segDP);

  // Setup timer for button checking
  timer.setInterval(100L, checkButtons);
}

void loop() {
  Blynk.run();
  timer.run();

  // Update seven-segment display
  sevseg.setNumber(displayValue);
  sevseg.refreshDisplay();
}