#include <TM1637Display.h>
#include "RTClib.h"
#include <Wire.h>

#include <Adafruit_NeoPixel.h>
#ifdef __AVR__
 #include <avr/power.h> // Required for 16 MHz Adafruit Trinket
#endif

RTC_DS3231 rtc;
#define CLK 5
#define DIO 4
int touchClock = 7;
int touchClockVal = 0;
TM1637Display display(CLK, DIO);
int a, t;


#define BUTTON_PIN   8 
#define PIXEL_PIN    6  
#define PIXEL_COUNT 3
Adafruit_NeoPixel strip(PIXEL_COUNT, PIXEL_PIN, NEO_GRB + NEO_KHZ800);
boolean oldState = HIGH;
int     mode     = 0;    // Currently-active animation mode, 0-9

void setup () {
  Wire.begin();
  display.setBrightness(0);
  
  
  pinMode(BUTTON_PIN, INPUT);
  strip.begin();
  strip.show();
  
}

void loop (){
  uint8_t segto;
  int value = 1244;
  segto = 0x80|display.encodeDigit((value/100)%10);
  display.setSegments(&segto,1,1);
    DateTime now = rtc.now();
    a=now.second()%2;
    t = (now.hour()* 100 )+ now.minute();
    display.showNumberDec(t, true);
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              

  if (digitalRead (7) == 1){  
    touchClockVal++;       
    if (touchClockVal>=3) { 
      touchClockVal=1;         
       }
      delay (500);
  }

  if (touchClockVal==1) {
  display.setBrightness(7);
  }
    if (touchClockVal==2) {
        display.setBrightness(0);
    }


    boolean newState = digitalRead(BUTTON_PIN);
  if((newState == LOW) && (oldState == HIGH)) {
  
    delay(20);
    
    newState = digitalRead(BUTTON_PIN);
    if(newState == LOW) { 
      if(++mode > 8) mode = 0;
      switch(mode) {           
        case 0:
          colorWipe(strip.Color(  0,   0,   0), 50);  
          break;
        case 1:
          colorWipe(strip.Color(255,   0,   0), 50); 
          break;
        case 2:
          colorWipe(strip.Color(  0, 255,   0), 50); 
          break;
        case 3:
          colorWipe(strip.Color(  0,   0, 255), 50); 
          break;
        case 4:
          theaterChase(strip.Color(127, 127, 127), 50);
          break;
        case 5:
          theaterChase(strip.Color(127,   0,   0), 50);
          break;
        case 6:
          theaterChase(strip.Color(  0,   0, 127), 50); 
          break;
        case 7:
          rainbow(10);
          break;
        case 8:
          theaterChaseRainbow(50);
          break;
      }
    }
  }


  oldState = newState;
}

void colorWipe(uint32_t color, int wait) {
  for(int i=0; i<strip.numPixels(); i++) {
    strip.setPixelColor(i, color);        
    strip.show();                      
    delay(wait);                         
  }
}


void theaterChase(uint32_t color, int wait) {
  for(int a=0; a<10; a++) { 
    for(int b=0; b<3; b++) {
      strip.clear(); 
    
      for(int c=b; c<strip.numPixels(); c += 3) {
        strip.setPixelColor(c, color); 
      }
      strip.show();
      delay(wait);  
    }
  }
}

void rainbow(int wait) {

  for(long firstPixelHue = 0; firstPixelHue < 3*65536; firstPixelHue += 256) {
    for(int i=0; i<strip.numPixels(); i++) {
      int pixelHue = firstPixelHue + (i * 65536L / strip.numPixels());
      strip.setPixelColor(i, strip.gamma32(strip.ColorHSV(pixelHue)));
    }
    strip.show(); 
    delay(wait);  
  }
}

void theaterChaseRainbow(int wait) {
  int firstPixelHue = 0;     
  for(int a=0; a<30; a++) { 
    for(int b=0; b<3; b++) {
      strip.clear();      
      for(int c=b; c<strip.numPixels(); c += 3) {
        int      hue   = firstPixelHue + c * 65536L / strip.numPixels();
        uint32_t color = strip.gamma32(strip.ColorHSV(hue));
        strip.setPixelColor(c, color); 
      }
      strip.show();               
      delay(wait);             
      firstPixelHue += 65536 / 90;
    }
  }
}