// Forum: https://forum.arduino.cc/t/esp32-counter-getting-stuck/1141613
// Sketch by: blenks9

#include "SevSeg.h"  /*Include seven segment library*/

SevSeg sevseg;       /*Seven Segment Variable*/

int state1;          /*Variable to store pushbutton state*/
int state2;          /*Variable to store pushbutton state*/
int state3;
int count = 0;       /*Variable that will store counter value*/

const int ledPin = 13;
#define button1 23   /*ESP32 pin for pushbutton */
#define button2 22   /*ESP32 pin for pushbutton */

void setup()  {
  pinMode(button1, INPUT_PULLUP); /*Assign button as input*/

  byte sevenSegments = 1;   /*Number of seven segments we are using*/
  byte CommonPins[] = {};   /*Define common pins*/
  byte LEDsegmentPins[] = {15, 2, 4, 5, 18, 19, 21};  /*ESP32 digital pins defined for seven segment sequence pin a to g*/
  bool resistorsOnSegments = true;
  sevseg.begin(COMMON_ANODE, sevenSegments, CommonPins, LEDsegmentPins, resistorsOnSegments);/*configuration of the seven-segment */

  sevseg.setBrightness(80);  /*Brightness of seven segment*/

  pinMode(button2, INPUT_PULLUP); /*Assign button as input*/
  pinMode(ledPin, OUTPUT);
}

void loop()  {
  state1 = digitalRead(button1); /*Read pushbutton state*/
  if (state1 == LOW) {       /*LOW state when pushup button is pressed*/
    count--;              /*Increase display value by 1*/
    sevseg.setNumber(count);      /*display the count value*/
    sevseg.refreshDisplay();      /*refresh 7-segment */
    delay(200);
  }

  sevseg.setNumber(count);/*display the count value*/
  sevseg.refreshDisplay();/* refresh 7-segment*/
  state2 = digitalRead(button2); /*Read pushbutton state*/
 
  if (state2 == LOW) {       /*LOW state when pushup button is pressed*/
    count = 9;
  }         /*Increase display value by 1*/

  if (count == 1) {
    digitalWrite(ledPin, HIGH); // Turn on the LED
    delay(500); // Wait for 500 milliseconds
    digitalWrite(ledPin, LOW); // Turn off the LED
    delay(500); // Wait for another 500 milliseconds
  }
}