#include <FastLED.h>
#include <OneButton.h>

int potpinh = A0;
int potpins = A1;
int potpinv = A2;
#define btnpin  2
#define btnpin2  3
#define NUM_LEDS  60
#define LED_PIN1   12

int huey; // variable to read the value from the analog pin
int statz;
int valz;

CRGB leds [NUM_LEDS];

uint8_t paletteIndex = 0;
uint8_t patternCounter = 0;
uint8_t index = 0;
int speed = 0;
uint8_t vance =0;



DEFINE_GRADIENT_PALETTE( GMT_cool_gp ) {
  0,   0, 255, 255,
  255, 255,  0, 255
};
CRGBPalette16 coolCoolool = GMT_cool_gp;

OneButton btn = OneButton(btnpin, true, true);

void setup() {
  FastLED.addLeds<WS2812B, LED_PIN1, GRB>(leds, NUM_LEDS);
  // FastLED.addLeds<WS2812B, LED_PIN2, GRB>(leds2, NUM_LEDS2);
  FastLED.setBrightness(255);
  // Serial.begin(19200);
  btn.attachClick(nextPattern);
}
void switcheroo() {
  switch (patternCounter) {
    case 0:
      raneboes();
      break;
    case 1:
      tempNess();
      break;
      case 2:
      slidey();
      break;
  }
}
void loop(){
  switcheroo();
  FastLED.show();
  btn.tick();
  uint8_t buh = 0;
  CFastLED::getBrightness	(buh);
Serial.println(buh);
}
void nextPattern() {
  patternCounter = (patternCounter+1) % 3;
  // Serial.println(String("patt") + patternCounter);           // Change the number after the % to the number of patterns you have
}

void tempNess() {

  EVERY_N_MILLISECONDS(250) {

    huey = analogRead(potpinh);
    huey = map(huey, 0, 1023, 0, 255);
    // Serial.println(String("H: ") + huey);
    statz = analogRead(potpins);
    statz = map(statz, 0, 1023, 0, 255);
    // Serial.println(String("S: ") + statz);
    valz = analogRead(potpinv);
    valz = map(valz, 0, 1023, 0, 255);
    // Serial.println(String("V: ") + valz);
  }

  static uint8_t chase_pos = 0;
  static uint8_t chase_fade_in = 0;

  CHSV chase_colour = CHSV(huey, statz, valz);

  // fade all LEDs towards black
  fadeToBlackBy(leds, NUM_LEDS, 1);

  // increase the fade in brightness, capping at 255
  chase_fade_in = qadd8(chase_fade_in, 20);

  // set the current pos to the chase colour
  leds[chase_pos] = chase_colour;
  // and dim it to the fade in level
  fadeToBlackBy( & leds[chase_pos], 1, 255 - chase_fade_in);

  // if fully faded in, start fading in the next LED
  if (chase_fade_in == 255) {
    chase_fade_in = 0;
    chase_pos = (chase_pos + 1) % NUM_LEDS;
  }

  FastLED.show();
}
void raneboes() {

  uint8_t position = beatsin8(30, 0, NUM_LEDS-1, 0, 0);

  //fill_rainbow (struct CHSV *targetArray, int numToFill, uint8_t initialhue, uint8_t deltahue=5)

  leds[position] = ColorFromPalette(RainbowColors_p,vance, 255, LINEARBLEND);
  huey = analogRead(potpinh);
  huey = map(huey, 0, 1023, 0, 1000 * 2);
  // Serial.println(String("H: ") + huey);
  // Serial.println(String("SP: ") + speed);
  vance++;
  fadeToBlackBy(leds, NUM_LEDS, 1);
  FastLED.show();
}
void slidey(){
for (int i = 0; i <= NUM_LEDS - 1; i++) {
  leds[i] = CRGB(0, 255, 8);
  FastLED.delay(33);
  leds[i] = CRGB::Black;
  if(i==NUM_LEDS){
    i = 0;
  }
}
}


/*
  void coolNess() {

  EVERY_N_MILLISECONDS(250) {

    huey = analogRead(potpinh);
    huey = map(huey, 0, 1023, 0, 255);
    Serial.println(String("H: ") + huey);
    statz = analogRead(potpins);
    statz = map(statz, 0, 1023, 0, 255);
    Serial.println(String("S: ") + statz);
    valz = analogRead(potpinv);
    valz = map(valz, 0, 1023, 0, 255);
    Serial.println(String("V: ") + valz);
  }

  static uint8_t chase_pos = 0;
  static uint8_t chase_fade_in = 0;

  chase_colour = fill_palette(leds, NUM_LEDS, 128, 255 / NUM_LEDS, coolCoolool, 128, LINEARBLEND);

  // fade all LEDs towards black
  fadeToBlackBy(leds, NUM_LEDS, 1);

  // increase the fade in brightness, capping at 255
  chase_fade_in = qadd8(chase_fade_in, 20);

  // set the current pos to the chase colour
  leds[chase_pos] = chase_colour;
  // and dim it to the fade in level
  fadeToBlackBy( & leds[chase_pos], 1, 255 - chase_fade_in);

  // if fully faded in, start fading in the next LED
  if (chase_fade_in == 255) {
    chase_fade_in = 0;
    chase_pos = (chase_pos + 1) % NUM_LEDS;
  }

  FastLED.show();
  } */