#include <FastLED.h>


#define LED_PIN 2
#define LED_COUNT 48


CRGB leds[LED_COUNT];


#define BUTTON_1 3
#define BUTTON_2 4
#define BUTTON_3 5


CRGB currentColor = CRGB::Black;

void setup() {

  FastLED.addLeds<WS2812B, LED_PIN, GRB>(leds, LED_COUNT);


  pinMode(BUTTON_1, INPUT_PULLUP);
  pinMode(BUTTON_2, INPUT_PULLUP);
  pinMode(BUTTON_3, INPUT_PULLUP);
}

void loop() {

  bool button1 = digitalRead(BUTTON_1) == LOW;
  bool button2 = digitalRead(BUTTON_2) == LOW;
  bool button3 = digitalRead(BUTTON_3) == LOW;


  if (button1 && button2) {
    currentColor = CRGB::Red;
  } else if (button1 && button3) {
    currentColor = CRGB::Yellow;
  } else if (button2 && button3) {
    currentColor = CRGB::Blue;
  } else if (button1) {
    currentColor = CRGB::Green;
  } else if (button2) {
    currentColor = CRGB::Pink;
  } else if (button3) {
    currentColor = CRGB::White;
  } else {
    currentColor = CRGB::Black;
  }


  for (int i = 0; i < LED_COUNT; i++) {
    leds[i] = currentColor;
  }


  FastLED.show();
}