// Pin Definitions
int slideSwitchPins[] = {2, 3, 4}; // Pins for slide switches
int buttonPin = 13;                // Pin for reset button
int ledPin = A0;                   // Pin for LED
int segmentPins[] = {5, 6, 7, 8, 9, 10, 11}; // Pins for 7-segment display (a-g)

// 7-segment display digits (Common Cathode)
byte digitPatterns[] = {
  0b00111111, // 0
  0b00000110, // 1
  0b01011011, // 2
  0b01001111, // 3
  0b01100110, // 4
  0b01101101, // 5
  0b01111101, // 6
  0b00000111, // 7
  0b01111111, // 8
  0b01101111  // 9
};

void setup() {
  // Set up slide switches as input
  for (int i = 0; i < 3; i++) {
    pinMode(slideSwitchPins[i], INPUT);
  }

  // Set up button and LED
  pinMode(buttonPin, INPUT_PULLUP); // Use internal pull-up resistor
  pinMode(ledPin, OUTPUT);

  // Set up 7-segment display pins
  for (int i = 0; i < 7; i++) {
    pinMode(segmentPins[i], OUTPUT);
  }
}

void loop() {
  // Read slide switches and calculate the value
  int number = 0;
  for (int i = 0; i < 3; i++) {
    number |= digitalRead(slideSwitchPins[i]) << i; // Combine bits
  }

  // Check if reset button is pressed
  if (digitalRead(buttonPin) == LOW) {
    digitalWrite(ledPin, HIGH); // Turn on LED
    number = 0;                // Reset number
    delay(500);                // Debounce delay
    digitalWrite(ledPin, LOW); // Turn off LED
  }

  // Display number on 7-segment
  displayNumber(number);
}

// Function to display a number on the 7-segment display
void displayNumber(int number) {
  byte pattern = digitPatterns[number];
  for (int i = 0; i < 7; i++) {
    digitalWrite(segmentPins[i], (pattern >> i) & 1); // Set each segment
  }
}