#include <FastLED.h>
#include <Button2.h>
#define BUTTON_PIN 14


#define LED_PIN     5
#define NUM_LEDS    1
#define BRIGHTNESS  255
#define LED_TYPE    WS2812
#define COLOR_ORDER GRB
CRGB leds[NUM_LEDS];
bool button_up = true;
CRGB led_palette[10];
int color_index = 0;

Button2 button;

void keyLongClick(Button2& btn) {
  unsigned int time = btn.wasPressedFor();
  if (time > 1500) {
    leds[0] = CRGB::Black;
    FastLED.show();
  }
}

void keyPressed(Button2& btn) {
  leds[0] = led_palette[color_index];
  FastLED.show();
  color_index++;
  if (color_index > 10)
    color_index = 0;
}

void setup() {
  Serial.begin(115200);
  FastLED.addLeds<LED_TYPE, LED_PIN, COLOR_ORDER>(leds, NUM_LEDS);
  FastLED.setBrightness( BRIGHTNESS );
  button.begin(BUTTON_PIN);
  button.setLongClickHandler(keyLongClick);
  button.setPressedHandler(keyPressed);
  led_palette[0] = CRGB::Red;
  led_palette[1] = CRGB::Green;
  led_palette[2] = CRGB::Blue;
  led_palette[3] = CRGB::AliceBlue;
  led_palette[4] = CRGB::Aqua;
  led_palette[5] = CRGB::BlueViolet;
  led_palette[6] = CRGB::Chartreuse;
  led_palette[7] = CRGB::DeepPink;

  led_palette[8] = CRGB::FairyLight;
  led_palette[9] = CRGB::MediumTurquoise;





}

void loop() {
  button.loop();

  delay(10); // this speeds up the simulation
}