#include <Adafruit_NeoPixel.h>

// Pattern types supported:
enum  pattern { NONE, RAINBOW_CYCLE, THEATER_CHASE, COLOR_WIPE, SCANNER, FADE, RANDOM_FADE };
// Patern directions supported:
enum  direction { FORWARD, REVERSE };

class NeoPatterns : public Adafruit_NeoPixel
{
public:
NeoPatterns(uint16_t pixels, uint8_t pin, uint8_t type, void (*callback)());

void Update();

void Reverse();
void None();
void RainbowCycle(uint8_t interval, direction dir = FORWARD);
void RainbowCycleUpdate();
void TheaterChase(uint32_t color1, uint32_t color2, uint8_t interval, direction dir = FORWARD);
void TheaterChaseUpdate();
void ColorWipe(uint32_t color, uint8_t interval, direction dir = FORWARD);
void ColorWipeUpdate();
void Scanner(uint32_t color1, uint8_t interval = 40,bool colorful = false);
void ScannerUpdate();
void Fade(uint32_t color1, uint32_t color2, uint16_t steps, uint8_t interval, direction dir = FORWARD);
void FadeUpdate();
void RandomFade(uint8_t interval = 100);
void RandomFadeUpdate();

void SetColor1(uint32_t color);
void SetColor2(uint32_t color);
//Utilities
void ColorSet(uint32_t color);
uint8_t Red(uint32_t color);
uint8_t Green(uint32_t color);
uint8_t Blue(uint32_t color);
uint32_t Wheel(byte WheelPos);

private:

// Member Variables:
pattern ActivePattern;       // which pattern is running
direction Direction;         // direction to run the pattern

unsigned long Interval;       // milliseconds between updates
unsigned long lastUpdate;     // last update of position

uint32_t Color1, Color2;      // What colors are in use
uint16_t TotalSteps;      // total number of steps in the pattern
uint16_t Index;      // current step within the pattern

byte wPos;
bool colorful;

uint32_t DimColor(uint32_t color);
void Increment();
void (*OnComplete)();      // Callback on completion of pattern

};