/// @file    DemoReel100.ino
/// @brief   FastLED "100 lines of code" demo reel, showing off some effects
/// @example DemoReel100.ino

#include <FastLED.h>

FASTLED_USING_NAMESPACE

// FastLED "100-lines-of-code" demo reel, showing just a few 
// of the kinds of animation patterns you can quickly and easily 
// compose using FastLED.  
//
// This example also shows one easy way to define multiple 
// animations patterns and have them automatically rotate.
//
// -Mark Kriegsman, December 2014


#define DATA_PIN    3
//#define CLK_PIN   4
#define LED_TYPE    WS2812
#define COLOR_ORDER GRB
#define NUM_LEDS    98
CRGB leds[NUM_LEDS];

#define BRIGHTNESS          255
#define FRAMES_PER_SECOND  60

void setup() {
  delay(3000); // 3 second delay for recovery
  
  // tell FastLED about the LED strip configuration
  FastLED.addLeds<LED_TYPE,DATA_PIN,COLOR_ORDER>(leds, NUM_LEDS).setCorrection(TypicalLEDStrip);
  //FastLED.addLeds<LED_TYPE,DATA_PIN,CLK_PIN,COLOR_ORDER>(leds, NUM_LEDS).setCorrection(TypicalLEDStrip);

  // set master brightness control
  FastLED.setBrightness(BRIGHTNESS);
}


// List of patterns to cycle through.  Each is defined as a separate function below.
typedef void (*SimplePatternList[])();
SimplePatternList gPatterns = {shiftingAlternating};// comet,, theaterChase, bounce

uint8_t gCurrentPatternNumber = 0; // Index number of which pattern is current
uint8_t gHue = 0; // rotating "base color" used by many of the patterns
  
void loop()
{
  // Call the current pattern function once, updating the 'leds' array
  gPatterns[gCurrentPatternNumber]();

  // send the 'leds' array out to the actual LED strip
  FastLED.show();  
  // insert a delay to keep the framerate modest
  FastLED.delay(1000/FRAMES_PER_SECOND); 

  // do some periodic updates
  EVERY_N_MILLISECONDS( 20 ) { gHue++; } // slowly cycle the "base color" through the rainbow
  EVERY_N_SECONDS( 5 ) { nextPattern(); } // change patterns periodically
}

#define ARRAY_SIZE(A) (sizeof(A) / sizeof((A)[0]))

void nextPattern()
{
  // add one to the current pattern number, and wrap around at the end
  gCurrentPatternNumber = (gCurrentPatternNumber + 1) % ARRAY_SIZE( gPatterns);
}

void rainbow() 
{
  // FastLED's built-in rainbow generator
  fill_rainbow( leds, NUM_LEDS, gHue, 7);
}

void rainbowWithGlitter() 
{
  // built-in FastLED rainbow, plus some random sparkly glitter
  rainbow();
  addGlitter(80);
}

void addGlitter( fract8 chanceOfGlitter) 
{
  if( random8() < chanceOfGlitter) {
    leds[ random16(NUM_LEDS) ] += CRGB::White;
  }
}

void confetti() 
{
  // random colored speckles that blink in and fade smoothly
  fadeToBlackBy( leds, NUM_LEDS, 10);
  int pos = random16(NUM_LEDS);
  leds[pos] += CHSV( gHue + random8(64), 200, 255);
}

void sinelon()
{
  // a colored dot sweeping back and forth, with fading trails
  fadeToBlackBy( leds, NUM_LEDS, 20);
  int pos = beatsin16( 13, 0, NUM_LEDS-1 );
  leds[pos] += CHSV( gHue, 255, 192);
}

void bpm()
{
  // colored stripes pulsing at a defined Beats-Per-Minute (BPM)
  uint8_t BeatsPerMinute = 62;
  CRGBPalette16 palette = PartyColors_p;
  uint8_t beat = beatsin8( BeatsPerMinute, 64, 255);
  for( int i = 0; i < NUM_LEDS; i++) { //9948
    leds[i] = ColorFromPalette(palette, gHue+(i*2), beat-gHue+(i*10));
  }
}

void juggle() {
  // eight colored dots, weaving in and out of sync with each other
  fadeToBlackBy( leds, NUM_LEDS, 20);
  uint8_t dothue = 0;
  for( int i = 0; i < 8; i++) {
    leds[beatsin16( i+7, 0, NUM_LEDS-1 )] |= CHSV(dothue, 200, 255);
    dothue += 32;
  }
}

void comet() {
  fadeToBlackBy(leds, NUM_LEDS, 20);
  int comet_pos = beatsin8(8, 0, NUM_LEDS - 1);  // Position of the comet head
  leds[comet_pos] = CHSV(gHue, 255, 255);
  leds[comet_pos - 1] = CHSV(gHue, 192, 128);  // Fading tail
  leds[comet_pos - 2] = CHSV(gHue, 96, 64);
}

void bounce() {
  fadeToBlackBy(leds, NUM_LEDS, 20);
  for (int i = 0; i < NUM_LEDS; i++) {
    leds[i] = CHSV(gHue + beatsin8(8, 0, 255), 255, (i < NUM_LEDS) ? 255 : 0);
  }
}

void theaterChase() {
  fadeToBlackBy(leds, NUM_LEDS, 20);
  static uint8_t theaterChase_pos = 0;
  leds[theaterChase_pos] = CHSV(gHue, 255, 255);
  theaterChase_pos = (theaterChase_pos + 1) % NUM_LEDS;
}

void distortedWave() {
  fadeToBlackBy(leds, NUM_LEDS, 20);
  for (int i = 0; i < NUM_LEDS; i++) {
    float offset = sin(millis() / 1000.0f + i * 0.1f) * 50.0f;  // Creates a wave with offset
    leds[i] = CHSV(gHue + offset, 255, beatsin8(8, 0, 255));
  }
}

void shiftingAlternating() {
  static uint8_t pixelShift = 0;  // Tracks the offset for alternating pixels

  fadeToBlackBy(leds, NUM_LEDS, 20);
  for (int i = 0; i < NUM_LEDS; i++) {
    if ((i + pixelShift) % 2 == 0) {
      leds[i] = CHSV(gHue + (i * 5) % 255, 255, 255);  // Dynamic hue with offset
    } else {
      leds[i] = CHSV(0, 0, 0);  // Off pixels are black
    }
  }
  pixelShift++;
  if (pixelShift >= NUM_LEDS) {
    pixelShift = 0;
  }
}