// LED
#include <Adafruit_NeoPixel.h>

#define PIN 2

Adafruit_NeoPixel strip = Adafruit_NeoPixel(4, PIN, NEO_GRB + NEO_KHZ800);


//MIC

const int inputPin = A2;
const int inputWindow = 5;
unsigned int inputSample;

unsigned int diff;
unsigned int is;

float proc;


unsigned int R;
unsigned int G;
unsigned int B;

unsigned int x;
unsigned int y;
unsigned int z;
unsigned int w;

unsigned int X = 0;
unsigned int revR = 0;
unsigned int revG;
unsigned int revB;

unsigned int H;
unsigned int t;


unsigned int sample;


unsigned long cs;
unsigned long I = 1;

void setup() {
  strip.begin();
  strip.show(); // Initialize all pixels to 'off'
  pinMode(inputPin, INPUT);
  Serial.begin(9600);
}

void loop() {

strip.show();

  unsigned int inputMax = 0;
  unsigned int inputMin = 1000;

  for (unsigned int i = 0; i < inputWindow; i++) {
    inputSample = analogRead(inputPin);
    if (inputSample < inputMin){
      inputMin = inputSample;
    }
    if (inputSample > inputMax){
      inputMax = inputSample;
    }
    
    diff = inputMax - inputMin; 

 Serial.println (diff);
  }


//LED

//R = 0;
//B = 0;
//G = 0;


//dristy


/*
    inputSample = analogRead(inputPin);
    proc = (inputMax/100);

   if (inputSample > (inputMax*0.95)){
   R = 255;
   G = 0;
   B = 0;
   }
   if (inputSample > (inputMax*0.954)){
   R = 255;
   G = 82;
   B = 0;
   }
   if (inputSample > (inputMax*0.958)){
   R = 255;
   G = 123;
   B = 0;
   }
   if (inputSample > (inputMax*0.962)){
   R = 255;
   G = 224;
   B = 0;
   }
   if (inputSample > (inputMax*0.966)){
   R = 255;
   G = 82;
   B = 0;
   }
   if (inputSample > (inputMax*0.97)){
   R = 255;
   G = 255;
   B = 3;
   }
   if (inputSample > (inputMax*0.974)){
   R = 28;
   G = 225;
   B = 0;
   }
   if (inputSample > (inputMax*0.978)){
   R = 0;
   G = 255;
   B = 134;
   }

   if (inputSample > (inputMax*0.99)){
   R = 0;
   G = 49;
   B = 255;
   }
*/

if (diff > 17) {
  R = 200;
  G = G-50;
  B = B - 50;
}



cs = millis();
if (cs != I) {
  cs == I; 
  H++; 
  t++;
}

if (H == 2) {
  if (revR == 1) {
    R = R - 6;
    if (R <= 5){ R = 0; revR = 0;}
  }
  else {
  R = R + 6;
  if (R >= 255){ R = 255; revR = 1;}
  }

}

if (H == 4) {
  if (revG == 1) {
    G = G - 4;
    if (G <= 5){ G = 0; revG = 0;}
  }
  else {
  G = G + 4;
  if (G >= 255){ G = 255; revG = 1;}
  }
  
}

if (H == 6) {
  if (revB == 1) {
    B = B - 2;
    if (B <= 5){ B = 0; revB = 0;}
  }
  else {
  B = B + 2;
  if (B >= 255){ B = 255; revB = 1;}
  }
  H = 0;

}


if (t==50) {
 X++;
 if (X > 3) X = 0;
 t=0;
}



 strip.setPixelColor(0, x, 0, 0);
 strip.setPixelColor(1, y, 0, 0);
 strip.setPixelColor(2, z, 0, 0);
 strip.setPixelColor(3, w, 0, 0);
 strip.setPixelColor(X, R, G, B);

 strip.show();



}