#include "Arduino.h"
#include <FastLED.h>
#include <Bounce2.h>
#define LED_PIN 2         //LED Strip Signal Connection
#define PatternPin 3      //Pattern Change Push Button Pin
#define ColourPin 4      //Colour Change Push Button Pin

#define NUM_LEDS 24       //Number of LEDs in the strip

CRGB leds[NUM_LEDS];

int Brightness = 125;     //Set the brightness value here MAX - 255

int r, g, b = 0;
int numb1=1;
int pres1=0;
int numb2=1;
int pres2=0;
int SysON = 2;
int SPEED1 = 60;
int SPEED2 = 40;
int SPEED3 = 150;

byte buttonState = 0;
const unsigned long debouncerInterval = 100;
unsigned long buttonPressedTime = 0;
unsigned long currentMillis = 0;

Bounce debouncer = Bounce();

void setup()
{
  Serial.begin(9600);
  pinMode(PatternPin, INPUT_PULLUP);
  pinMode(ColourPin,INPUT_PULLUP);
  //debouncer.attach(ColourPin, INPUT_PULLUP);
  //debouncer.interval(debouncerInterval); 
  FastLED.addLeds<WS2812, LED_PIN, GRB>(leds, NUM_LEDS);
  FastLED.clear();
}

void loop() 
{
  Serial.println(SysON);
ColourButtonScan();
LongPress();

if (SysON == 1)
{
PatternButtonScan();

switch (numb1)
{
  case 1: //White
  r = 200;
  g = 200;
  b = 255;
  
  break;

  case 2: //Red
  r = 255;
  g = b = 0;
  break;
 
  case 3: //Blue
  b = 255;
  r = g = 0;
  break;  
  
  case 4: //Yellow
  r = g = 255;
  b = 0;
  break; 

  case 5: //Orange
  r = 255;
  g = 71;
  b = 0;
  break;
  
  case 6: //Green
  g = 255;
  r = b = 0;
  break; 

  case 7: //Purple
  r = 160;
  g = 32;
  b = 240;
  break; 

  case 8: //Pink
  r = 255;
  g = 0;
  b = 127;
  break; 

  case 9: //Light Blue
  r = 5;
  g = 195;
  b = 221;
  break; 

  case 10: //Rainbow
  r = 0;
  g = 0;
  b = 0;
  break; 
}

switch (numb2) 
{
  case 1:
    if (numb1 < 10)
    {
    P1(r, g, b);
    }

    if (numb1 >= 10)
    {
    rainbow_solid();
    }
  break;

  case 2:
    if (numb1 < 10)
    {
    P2(r, g, b);
    }
    if (numb1 >= 10)
    {
    uint8_t thisSpeed = 80;
    uint8_t deltaHue= 10;
    uint8_t thisHue = beat8(thisSpeed,255); 
    rainbow_shade(leds, NUM_LEDS, thisHue, deltaHue);        
    FastLED.show();
    }
  break;

  case 3:
    if (numb1 < 10)
    {
    P3(r, g, b);
    }
    if (numb1 >= 10)
    { 
    rainbow_flash();
    }
  break;
  
  case 4:
    if (numb1 < 10)
    {
    P4(r, g, b);
    }
    if (numb1 >= 10)
    { 
    rainbow_scroll();
    }
    break;
}
}

if (SysON == 2)
{
Full(0,0,0);
}
}

void P1(int r, int g, int b)
{
FastLED.setBrightness(Brightness);
Full(r,g,b);PatternButtonScan();ColourButtonScan();
}

void P2(int r, int g, int b)
{
FastLED.setBrightness(Brightness);
for (int j = 0; j <= (Brightness/2); j++)
   {  
    Full(r,g,b);PatternButtonScan();ColourButtonScan();
    FastLED.setBrightness(j*2);
    FastLED.show();
    delay (1); 
}

for (int j = (Brightness/2); j >= 0; j--)
   {  
    Full(r,g,b);PatternButtonScan();ColourButtonScan();
    FastLED.setBrightness(j*2);
    FastLED.show();
    delay (1); 
}
}

void P3(int r, int g, int b)
{
FastLED.setBrightness(Brightness);
FastLED.clear();

for (int i=0; i < NUM_LEDS; i++)
  { 
  leds[i-2] = CRGB(0, 0, 0);
  leds[i-1] = CRGB(r/4,g/4,b/4);
  leds[i] = CRGB(r/2,g/2,b/2);
  leds[i+1] = CRGB(r,g,b);
  leds[i+2] = CRGB(r,g,b);
  leds[i+3] = CRGB(r,g,b);
  FastLED.show();PatternButtonScan(); ColourButtonScan();
  delay(SPEED2);
  }
  FastLED.show(); 

  leds[NUM_LEDS-1] = CRGB(0, 0, 0);
  leds[NUM_LEDS-2] = CRGB(0, 0, 0);
  FastLED.show();PatternButtonScan(); ColourButtonScan(); 
}

void P4(int r, int g, int b)
{
FastLED.setBrightness(Brightness);
FastLED.clear();

for (int i=0; i < NUM_LEDS-2; i++)
  { 
  leds[i-2] = CRGB(0, 0, 0);
  leds[NUM_LEDS-i+1] = CRGB(0, 0, 0);

  leds[i-1] = CRGB(r/4,g/4,b/4);
  leds[NUM_LEDS-i] = CRGB(r/4,g/4,b/4);

  leds[i] = CRGB(r/2,g/2,b/2);
  leds[NUM_LEDS-i-1] = CRGB(r/2,g/2,b/2);

  leds[i+1] = CRGB(r,g,b);
  leds[NUM_LEDS-i-2] = CRGB(r,g,b);

  leds[i+2] = CRGB(r,g,b);
  leds[NUM_LEDS-i-3] = CRGB(r,g,b);

  leds[i+3] = CRGB(r,g,b);
  leds[NUM_LEDS-i-4] = CRGB(r,g,b);

  FastLED.show();PatternButtonScan(); ColourButtonScan();
  delay(SPEED2);
  }
  FastLED.show(); 
}

int Full(int i, int j, int k)
{
  fill_solid(leds, NUM_LEDS, CRGB(i,j,k));
  FastLED.show(); 
}

void rainbow_solid()
{
  FastLED.setBrightness(Brightness);
  FastLED.clear();

  leds[0] = CRGB(255, 0, 0);
  leds[1] = CRGB(255, 0, 0);
  leds[2] = CRGB(255, 0, 0);
  leds[3] = CRGB(255, 0, 0);
  leds[4] = CRGB(255, 71, 0);
  leds[5] = CRGB(255, 71, 0);
  leds[6] = CRGB(255, 71, 0);
  leds[7] = CRGB(255, 71, 0);
  leds[8] = CRGB(255, 255, 0);
  leds[9] = CRGB(255, 255, 0);
  leds[10] = CRGB(255, 255, 0);
  leds[11] = CRGB(255, 255, 0);
  leds[12] = CRGB(0, 255, 0);
  leds[13] = CRGB(0, 255, 0);
  leds[14] = CRGB(0, 255, 0);
  leds[15] = CRGB(0, 255, 0);
  leds[16] = CRGB(0, 0, 255);
  leds[17] = CRGB(0, 0, 255);
  leds[18] = CRGB(0, 0, 255);
  leds[19] = CRGB(0, 0, 255);
  leds[20] = CRGB(160, 32, 240);
  leds[21] = CRGB(160, 32, 240);
  leds[22] = CRGB(160, 32, 240);
  leds[23] = CRGB(160, 32, 240);
  FastLED.show();PatternButtonScan();ColourButtonScan();
}

void rainbow_shade( struct CRGB * pFirstLED, int numToFill, uint8_t initialhue, uint8_t deltahue )
{
    CHSV hsv;
    hsv.hue = initialhue;
    hsv.val = 255;
    hsv.sat = 240;
    for( int i = 0; i < numToFill; i++) {
        pFirstLED[i] = hsv;
        hsv.hue -= deltahue;
    }
}

void rainbow_flash()
{
for (int j = 0; j <= (Brightness/2); j++)
   {  
    Full(255,0,0);PatternButtonScan();ColourButtonScan();
    if(digitalRead(PatternPin)==0)
    {
    break;
    }
    FastLED.setBrightness(j*2);
    FastLED.show();
    delay (1); 
}

for (int j = (Brightness/2); j >= 0; j--)
   {  
    Full(255,0,0);PatternButtonScan();ColourButtonScan();
    if(digitalRead(PatternPin)==0)
    {
    break;
    }
    FastLED.setBrightness(j*2);
    FastLED.show();
    delay (1); 
}

for (int j = 0; j <= (Brightness/2); j++)
   {  
    Full(255, 71, 0);PatternButtonScan();ColourButtonScan();
    if(digitalRead(PatternPin)==0)
    {
    break;
    }
    FastLED.setBrightness(j*2);
    FastLED.show();
    delay (1); 
}

for (int j = (Brightness/2); j >= 0; j--)
   {  
    Full(255, 71, 0);PatternButtonScan();ColourButtonScan();
    if(digitalRead(PatternPin)==0)
    {
    break;
    }
    FastLED.setBrightness(j*2);
    FastLED.show();
    delay (1); 
}

for (int j = 0; j <= (Brightness/2); j++)
   {  
    Full(255,255,0);PatternButtonScan();ColourButtonScan();
    if(digitalRead(PatternPin)==0)
    {
    break;
    }
    FastLED.setBrightness(j*2);
    FastLED.show();
    delay (1); 
}

for (int j = (Brightness/2); j >= 0; j--)
   {  
    Full(255,255,0);PatternButtonScan();ColourButtonScan();
    if(digitalRead(PatternPin)==0)
    {
    break;
    }
    FastLED.setBrightness(j*2);
    FastLED.show();
    delay (1); 
}

for (int j = 0; j <= (Brightness/2); j++)
   {  
    Full(0,255,0);PatternButtonScan();ColourButtonScan();
    if(digitalRead(PatternPin)==0)
    {
    break;
    }
    FastLED.setBrightness(j*2);
    FastLED.show();
    delay (1); 
}

for (int j = (Brightness/2); j >= 0; j--)
   {  
    Full(0,255,0);PatternButtonScan();ColourButtonScan();
    if(digitalRead(PatternPin)==0)
    {
    break;
    }
    FastLED.setBrightness(j*2);
    FastLED.show();
    delay (1); 
}

for (int j = 0; j <= (Brightness/2); j++)
   {  
    Full(0,0,255);PatternButtonScan();ColourButtonScan();
    if(digitalRead(PatternPin)==0)
    {
    break;
    }
    FastLED.setBrightness(j*2);
    FastLED.show();
    delay (1); 
}

for (int j = (Brightness/2); j >= 0; j--)
   {  
    Full(0,0,255);PatternButtonScan();ColourButtonScan();
    if(digitalRead(PatternPin)==0)
    {
    break;
    }
    FastLED.setBrightness(j*2);
    FastLED.show();
    delay (1); 
}

for (int j = 0; j <= (Brightness/2); j++)
   {  
    Full(160,32,240);PatternButtonScan();ColourButtonScan();
    if(digitalRead(PatternPin)==0)
    {
    break;
    }
    FastLED.setBrightness(j*2);
    FastLED.show();
    delay (1); 
}

for (int j = (Brightness/2); j >= 0; j--)
   {  
    Full(160,32,240);PatternButtonScan();ColourButtonScan();
    if(digitalRead(PatternPin)==0)
    {
    break;
    }
    FastLED.setBrightness(j*2);
    FastLED.show();
    delay (1); 
}
}

void rainbow_scroll()
{
FastLED.setBrightness(Brightness);
FastLED.clear();

for (int i=0; i < NUM_LEDS; i++)
  { 
  leds[i-2] = CRGB(0, 0, 0);
  leds[i-1] = CRGB(255/4,0/4,0/4);
  leds[i] = CRGB(255/2,0/2,0/2);
  leds[i+1] = CRGB(255,0,0);
  leds[i+2] = CRGB(255,0,0);
  leds[i+3] = CRGB(255,0,0);
  FastLED.show();PatternButtonScan(); ColourButtonScan();
    if(digitalRead(PatternPin)==0)
    {
    break;
    }
  delay(SPEED2);
  }
  FastLED.show(); 

  leds[NUM_LEDS-1] = CRGB(0, 0, 0);
  leds[NUM_LEDS-2] = CRGB(0, 0, 0);
  FastLED.show();PatternButtonScan(); ColourButtonScan();

for (int i=0; i < NUM_LEDS; i++)
  { 
  leds[i-2] = CRGB(0, 0, 0);
  leds[i-1] = CRGB(255/4,71/4,0/4);
  leds[i] = CRGB(255/2,71/2,0/2);
  leds[i+1] = CRGB(255,71,0);
  leds[i+2] = CRGB(255,71,0);
  leds[i+3] = CRGB(255,71,0);
  FastLED.show();PatternButtonScan(); ColourButtonScan();
    if(digitalRead(PatternPin)==0)
    {
    break;
    }
  delay(SPEED2);
  }
  FastLED.show(); 

  leds[NUM_LEDS-1] = CRGB(0, 0, 0);
  leds[NUM_LEDS-2] = CRGB(0, 0, 0);
  FastLED.show();PatternButtonScan(); ColourButtonScan();

for (int i=0; i < NUM_LEDS; i++)
  { 
  leds[i-2] = CRGB(0, 0, 0);
  leds[i-1] = CRGB(255/4,255/4,0/4);
  leds[i] = CRGB(255/2,255/2,0/2);
  leds[i+1] = CRGB(255,255,0);
  leds[i+2] = CRGB(255,255,0);
  leds[i+3] = CRGB(255,255,0);
  FastLED.show();PatternButtonScan(); ColourButtonScan();
    if(digitalRead(PatternPin)==0)
    {
    break;
    }
  delay(SPEED2);
  }
  FastLED.show(); 

  leds[NUM_LEDS-1] = CRGB(0, 0, 0);
  leds[NUM_LEDS-2] = CRGB(0, 0, 0);
  FastLED.show();PatternButtonScan(); ColourButtonScan();

for (int i=0; i < NUM_LEDS; i++)
  { 
  leds[i-2] = CRGB(0, 0, 0);
  leds[i-1] = CRGB(0/4,255/4,0/4);
  leds[i] = CRGB(0/2,255/2,0/2);
  leds[i+1] = CRGB(0,255,0);
  leds[i+2] = CRGB(0,255,0);
  leds[i+3] = CRGB(0,255,0);
  FastLED.show();PatternButtonScan(); ColourButtonScan();
    if(digitalRead(PatternPin)==0)
    {
    break;
    }
  delay(SPEED2);
  }
  FastLED.show(); 

  leds[NUM_LEDS-1] = CRGB(0, 0, 0);
  leds[NUM_LEDS-2] = CRGB(0, 0, 0);
  FastLED.show();PatternButtonScan(); ColourButtonScan();

for (int i=0; i < NUM_LEDS; i++)
  { 
  leds[i-2] = CRGB(0, 0, 0);
  leds[i-1] = CRGB(0/4,0/4,255/4);
  leds[i] = CRGB(0/2,0/2,255/2);
  leds[i+1] = CRGB(0,0,255);
  leds[i+2] = CRGB(0,0,255);
  leds[i+3] = CRGB(0,0,255);
  FastLED.show();PatternButtonScan(); ColourButtonScan();
    if(digitalRead(PatternPin)==0)
    {
    break;
    }
  delay(SPEED2);
  }
  FastLED.show(); 

  leds[NUM_LEDS-1] = CRGB(0, 0, 0);
  leds[NUM_LEDS-2] = CRGB(0, 0, 0);
  FastLED.show();PatternButtonScan(); ColourButtonScan();

for (int i=0; i < NUM_LEDS; i++)
  { 
  leds[i-2] = CRGB(0, 0, 0);
  leds[i-1] = CRGB(160/4,32/4,240/4);
  leds[i] = CRGB(160/2,32/2,240/2);
  leds[i+1] = CRGB(160,32,240);
  leds[i+2] = CRGB(160,32,240);
  leds[i+3] = CRGB(160,32,240);
  FastLED.show();PatternButtonScan(); ColourButtonScan();
    if(digitalRead(PatternPin)==0)
    {
    break;
    }
  delay(SPEED2);
  }
  FastLED.show(); 

  leds[NUM_LEDS-1] = CRGB(0, 0, 0);
  leds[NUM_LEDS-2] = CRGB(0, 0, 0);
  FastLED.show();PatternButtonScan(); ColourButtonScan();
}











void ColourButtonScan()
{
if(digitalRead(ColourPin)==0)
   {
    if(pres1==0)
   {
    numb1++;
    pres1=1;    
   }
    }
  else
  {
    pres1=0;
   }  

 if(numb1 >= 11)
 {
 numb1 = 1;
 }
}

void PatternButtonScan()
{
if(digitalRead(PatternPin)==0)
   {
    if(pres2==0)
   {
    numb2++;
    pres2=1;
    }
   }
  else
  {
    pres2=0;
   }  

 if(numb2 >= 5)
 {
 numb2 = 1;
 }
}

void LongPress()
{  
  int x=digitalRead(ColourPin);
  if (x==0)
  {
    if(buttonState == 0){
        buttonState = 1;
        currentMillis = millis();
        while(x==0)
        {
          x=digitalRead(ColourPin);
        }
        if ((millis()-currentMillis)>800)
        {
           SysON++;
           if (SysON == 3)
{
SysON = 1;
numb1 = 1;
numb2 = 1;  
}
        }      
      }
    }
    else{
      buttonState = 0;
    }
  /*
  currentMillis = millis();
int 
  if(debouncer.update()){

    if(debouncer.read() == 0){
      if(buttonState == 0){
        buttonState = 1;
        buttonPressedTime = currentMillis;
      }
    }
    else{
      buttonState = 0;
    }
  }
  if(buttonState == 1)
  {
    if(currentMillis - buttonPressedTime >= 800)
    {
      buttonState = 0;
      SysON++;
    }
    else if(currentMillis - buttonPressedTime >= 100)
    {
    }
}

if (SysON == 3)
{
SysON = 1;
numb1 = 1;
numb2 = 1;  
}
*/
}