// use the FastLED library (someone's pre-written code)
#include <FastLED.h>

// set how many LEDs there are and the data pin.
const int numLeds = 30;
const int ledStripPin = 6;

// this creates an array to reference our LEDs
CRGB leds[numLeds];

void setup() {
  // tells the FastLED code e.g. what LEDs we are using, the data pin
  FastLED.addLeds<NEOPIXEL, ledStripPin>(leds, numLeds);

  // limit the strip's draw to 400mA at 5v
  FastLED.setMaxPowerInVoltsAndMilliamps(5, 400);

  // turns the brightness down (so my eyes don't hurt)
  FastLED.setBrightness(8);
  pinMode(2, INPUT_PULLUP);
}

void loop() {
  if (digitalRead(2)== LOW){
  lightshow();
 }
}

void lightshow(){
  for(int light=0; light< 190; light++){//buzz part of the song
   turnBlack();
   delay(10);
   turnBlue();
   delay(10);
  }
  
  turnLime();// turns the colour lime
  delay(970);

  turnRed();// turns the colour red
  delay(970);

  turnPurple();// turns the colour purple
  delay(970);

  turnYellow();// turns the colour yellow
  delay(955);

  windUpWhite();// turns the yellow leds into white
  delay(409);

  for(int light=0; light<2; light++){
  turnAllRandom();// random colours that match beat
  delay(475);

  turnBeat();
  delay(475);
  }
  windUpWhite();
  delay(409);

  turnAllBlack();// make all black
  delay(489);
  }
  

void turnBlack() {//working buzzes to match the start of song
 for (int light=0; light<numLeds; light++){
    leds[light] = CRGB::Black;
  }
    FastLED.show();
}

void turnBlue() {//working buzzes to match the start of song
     for(int light=0; light<numLeds; light++){
      leds[light] = CRGB::Blue;
    } 
  FastLED.show();
} 

void turnLime(){//this code is working
    for (int light=0; light<numLeds; light++){
      leds[light] = CRGB::Lime;
    }
     FastLED.show();
}
    
void turnRed()//this code works
    {for (int light=0; light<numLeds; light++){
      leds[light] = CRGB::Red;
    }
     FastLED.show();
}
    
void turnPurple(){// this code works
   for (int light=0; light<numLeds; light++){
      leds[light] = CRGB::Purple;
    }
     FastLED.show();
}

void turnYellow(){// this code works
   for (int light=0; light<numLeds; light++){
      leds[light] = CRGB::Yellow;
    }
     FastLED.show();
}

void windUpWhite() {
  for (int light = 0; light < 4; light++) {
    leds[light] = CRGB::White;
  }
       FastLED.show();
 delay(489);

  for (int light = 26; light < 30; light++) {
    leds[light] = CRGB::White;
  }
   FastLED.show();
 delay(489);

  for (int light = 4; light < 8; light++) {
    leds[light] = CRGB::White;
  }
   FastLED.show();
 delay(489);

  for (int light = 22; light < 26; light++) {
    leds[light] = CRGB::White;
  }
   FastLED.show();
 delay(489);

  for (int light = 8; light < 12; light++) {
    leds[light] = CRGB::White;
  }
   FastLED.show();
 delay(489);

  for (int light = 18; light < 22; light++) {
    leds[light] = CRGB::White;
  }
   FastLED.show();
 delay(489);

  for (int light = 12; light < 16; light++) {
    leds[light] = CRGB::White;
  }
   FastLED.show();
 delay(489);

  for (int light = 16; light < 18; light++) {
    leds[light] = CRGB::White;
  }
  FastLED.show();
  delay(489);
  }



void turnAllRandom(){//this code somewhat works
  for (int light =0; light <numLeds; light++){
    int red= random (0,255);
    int blue= random(0,255);
    int green= random(0,255);
    leds[light].setRGB(red,green,blue);
  }
       FastLED.show();
//    delay(489);
  }

void turnBeat(){// this code works but want to change
  for (int light=0; light<numLeds; light++){
  leds[light] = CRGB::Blue;
   } 
    FastLED.show();
    delay(489);
  }

void turnAllBlack() {
  for(int light=0; light<numLeds; light++){
  leds[light] = CRGB::Black;
  }
   FastLED.show();
    delay(489);
}