static int activePreset = -1;

#include <FastLED.h>  //add
#include <IRremote.h>


#define LED_TYPE    WS2812B
#define COLOR_ORDER GRB
#define BRIGHTNESS  255


#define NUM_LEDS 899
#define DATA_PIN 5

const int RECV_PIN = 3;
IRrecv irrecv(RECV_PIN);
decode_results results;
unsigned long key_value = 0;
CRGB leds[NUM_LEDS]; //Add

void setup(){
  Serial.begin(9600);
  irrecv.enableIRIn();
  irrecv.blink13(true);
  FastLED.addLeds<LED_TYPE,DATA_PIN,COLOR_ORDER>(leds, NUM_LEDS)
    .setCorrection(TypicalLEDStrip)
    .setDither(BRIGHTNESS < 255);

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

/////////////////////////////////// Setting up various zones



void zone1(int red, int green, int blue){
    for (int i=0;i<=25;i++){
        leds[i].r = red;
        leds[i].g = green;
        leds[i].b = blue;
    }
}

void zone2(int red, int green, int blue){
    for (int i=26;i<=56;i++){
        leds[i].r = red;
        leds[i].g = green;
        leds[i].b = blue;
    }
}

void zone3(int red, int green, int blue){
    for (int i=57;i<=197;i++){
        leds[i].r = red;
        leds[i].g = green;
        leds[i].b = blue;
    }
}

void zone4(int red, int green, int blue){
    for (int i=198;i<=407;i++){
        leds[i].r = red;
        leds[i].g = green;
        leds[i].b = blue;
    }
}

void zone5(int red, int green, int blue){
    for (int i=408;i<=599;i++){
        leds[i].r = red;
        leds[i].g = green;
        leds[i].b = blue;
    }
}

void zone6(int red, int green, int blue){
    for (int i=600;i<=707;i++){
        leds[i].r = red;
        leds[i].g = green;
        leds[i].b = blue;
    }
}


void zone7(int red, int green, int blue){
    for (int i=708;i<=899;i++){
        leds[i].r = red;
        leds[i].g = green;
        leds[i].b = blue;
    }
}
////////////////////////////////////////////////////////////////////// What the buttons do!!






void showCurrentPreset()
{
   switch (activePreset)
   {
   case 0: showProgram0(); break;
   case 1: showProgram1(); break;
   //... other programs here
   default: showDefault(); break;
   }
}

void showProgram0()
{
   // paste the inside of your infinite loop from preset0() here
   static uint16_t sPseudotime = 0;
  static uint16_t sLastMillis = 0;
  static uint16_t sHue16 = 0;

  uint8_t sat8 = beatsin88( 87, 220, 250);
  uint8_t brightdepth = beatsin88( 341, 96, 224);
  uint16_t brightnessthetainc16 = beatsin88( 203, (25 * 256), (40 * 256));
  uint8_t msmultiplier = beatsin88(147, 23, 60);

  uint16_t hue16 = sHue16;//gHue * 256;
  uint16_t hueinc16 = beatsin88(113, 1, 3000);

  uint16_t ms = millis();
  uint16_t deltams = ms - sLastMillis ;
  sLastMillis  = ms;
  sPseudotime += deltams * msmultiplier;
  sHue16 += deltams * beatsin88( 400, 5,9);
  uint16_t brightnesstheta16 = sPseudotime;

  for( uint16_t i = 0 ; i < NUM_LEDS; i++) {
    hue16 += hueinc16;
    uint8_t hue8 = hue16 / 256;

    brightnesstheta16  += brightnessthetainc16;
    uint16_t b16 = sin16( brightnesstheta16  ) + 32768;

    uint16_t bri16 = (uint32_t)((uint32_t)b16 * (uint32_t)b16) / 65536;
    uint8_t bri8 = (uint32_t)(((uint32_t)bri16) * brightdepth) / 65536;
    bri8 += (255 - brightdepth);

    CRGB newcolor = CHSV( hue8, sat8, bri8);

    uint16_t pixelnumber = i;
    pixelnumber = (NUM_LEDS-1) - pixelnumber;

    nblend( leds[pixelnumber], newcolor, 64);
  }

FastLED.show();
}

void showProgram1()
{
   // paste what was in preset1()
    zone1(255, 128, 171);
    zone2(255, 128, 171);
    zone3(103, 58, 183);
    zone4(255, 128, 171);
    zone5(255, 0, 0);
    zone6(103, 58, 183);
    zone7(255, 0, 0);
    FastLED.show();
}



void showDefault()
{
   // paste what was in presetOff()
    zone1(0,0,0);
    zone2(0,0,0);
    zone3(0,0,0);
    zone4(0,0,0);
    zone5(0,0,0);
    zone6(0,0,0);
    zone7(0,0,0);
    FastLED.show();
}



// get rid of the presetX() functions and replace with:
void setCurrentPreset(int newPreset)
{
   activePreset = newPreset;
}

// then your loop() looks like:
void loop(){
  if (irrecv.decode(&results)){
    setCurrentPreset(1);
    Serial.println(results.value, HEX);
        if (results.value == 0XFFFFFFFF)
          results.value = key_value;

        switch(results.value){
          case 0xFFA25D:
          Serial.println("On/Off");
          setCurrentPreset(-1);
          break;
          case 0xFF629D:
//          Serial.println("Vol+");
          //brightnessUp();
          break;
          case 0xFFE21D:
//          Serial.println("Func/Stop");
          break;
          case 0xFF22DD:
//          Serial.println("|<<");
          break;
          case 0xFF02FD:
//          Serial.println(">||");
          break ;
          case 0xFFC23D:
//          Serial.println(">>|");
          break ;
          case 0xFFE01F:
//          Serial.println("-");
          //brightnessDown();
          break ;
          case 0xFFA857:
//          Serial.println("Vol-");
          //brightnessDown();
          break ;
          case 0xFF906F:
//          Serial.println("+");
          //brightnessUp();
          break ;
          case 0xFF6897:
//          Serial.println("0");
          setCurrentPreset(0);
          break ;
          case 0xFF9867:
//          Serial.println("EQ");
          break ;
          case 0xFFB04F:
//          Serial.println("St/Rept");
          break ;
          case 0xFF30CF:
//          Serial.println("1");
          setCurrentPreset(1);
          break ;
          case 0xFF18E7:
//          Serial.println("2");
          //preset2();
          break ;
          case 0xFF7A85:
//          Serial.println("3");
          //preset3();
          break ;
          case 0xFF10EF:
//          Serial.println("4");
          //preset4();
          break ;
          case 0xFF38C7:
//          Serial.println("5");
          break ;
          case 0xFF5AA5:
//          Serial.println("6");
          break ;
          case 0xFF42BD:
//          Serial.println("7");
          break ;
          case 0xFF4AB5:
//          Serial.println("8");
          break ;
          case 0xFF52AD:
//          Serial.println("9");
          break ;
        }
        key_value = results.value;
        irrecv.resume();
  }

    // same thing as now but with presetX() calls replaced with setCurrentPreset()


  showCurrentPreset();
}