#include
#ifdef __AVR__
#include // Required for 16 MHz Adafruit Trinket
#endif

// Digital IO pin connected to the button. This will be driven with a
// pull-up resistor so the switch pulls the pin to ground momentarily.
// On a high -> low transition the button press logic will execute.
#define BUTTON_PIN 2

#define PIXEL_PIN 6 // Digital IO pin connected to the NeoPixels.

#define PIXEL_COUNT 81 // Number of NeoPixels

// Declare our NeoPixel strip object:
Adafruit_NeoPixel strip(PIXEL_COUNT, PIXEL_PIN, NEO_GRB + NEO_KHZ800);
// Argument 1 = Number of pixels in NeoPixel strip
// Argument 2 = Arduino pin number (most are valid)
// Argument 3 = Pixel type flags, add together as needed:
// NEO_KHZ800 800 KHz bitstream (most NeoPixel products w/WS2812 LEDs)
// NEO_KHZ400 400 KHz (classic 'v1' (not v2) FLORA pixels, WS2811 drivers)
// NEO_GRB Pixels are wired for GRB bitstream (most NeoPixel products)
// NEO_RGB Pixels are wired for RGB bitstream (v1 FLORA pixels, not v2)
// NEO_RGBW Pixels are wired for RGBW bitstream (NeoPixel RGBW products)
int numPixels = 81;
boolean oldState = HIGH;
boolean oneTime = LOW;
int mode = 0; // Currently-active animation mode, 0-9
int numOfMode = 4; // x-1
int oldMode = numOfMode + 1;
long button_pressed = 0;
boolean pressed = LOW;
int brithness = 254;
//Manage brithness
boolean getDark = LOW;

void setup() {
Serial.begin(9600);
pinMode(BUTTON_PIN, INPUT_PULLUP);
strip.begin(); // Initialize NeoPixel strip object (REQUIRED)
strip.setBrightness(brithness);
strip.show(); // Initialize all pixels to 'off'
}

void loop() {
// Get current button state.
boolean newState = digitalRead(BUTTON_PIN);

// Check if state changed from LOW to HIGH (button press).
if ((newState == HIGH) && (oldState == LOW)) {
// Short delay to debounce button.
delay(20);
// Check if button is still low after debounce.
newState = digitalRead(BUTTON_PIN);
if (newState == HIGH) { // Yes, still HIGH
//start analyse if long press or short press
button_pressed = millis();
pressed = HIGH;
}
}
//if it was pressed analyse
if (pressed == HIGH){
//get Stystem time
int time_system = millis();
//calculate pressed time
int pressed_time = time_system - button_pressed;

if ((newState == LOW) && (pressed_time <= 1000)){
++mode;
if (mode > numOfMode) {
mode = 0; // Advance to next mode, wrap around after #8
}
//if lamp is off, next tapp will activat it again
if (brithness == 0){
mode = 0;
brithness = 254;
strip.setBrightness(brithness);
strip.show();

}
//deaktivate press analyse
pressed = LOW;

}else if ((newState == HIGH) && (pressed_time > 1000)&& (brithness > 0)){
//Get darker or brither
if (getDark == HIGH){
brithness = strip.getBrightness();
if (brithness < 254){
brithness = brithness + 1;
if (brithness > 254){
brithness = 254;
}
strip.setBrightness(brithness);
strip.show();
}
}else{
brithness = strip.getBrightness();
if (brithness > 0){
brithness = brithness - 1;
if (brithness < 0){
brithness = 0;
}
if (brithness == 0){
//strip is off
mode = -1;
pressed = LOW;
}
strip.setBrightness(brithness);
strip.show();
}
}
}else if ((newState == LOW) && (pressed_time > 1000)&& (brithness > 0)){
//Manage state after getting dark or ligther switch
getDark = !getDark;
//deaktivate press analyse
pressed = LOW;
}
}
Serial.println(mode);
if (oldMode != mode) {
oneTime = HIGH;
} else {
oneTime = LOW;
}
if (mode == 4) {
rainbow(2, oneTime);
}
if (mode == 3) {
colorWipe(strip.Color( 0, 255, 0), 10, oneTime);
}
if (mode == 2) {
colorWipe(strip.Color( 255, 0, 255), 10, oneTime);
}
if (mode == 1) {
colorWipe(strip.Color( 0, 255, 255), 10, oneTime);
}
if (mode == 0) {
colorWipe(strip.Color( 255, 255, 255), 10, oneTime);
}
if (mode == -1) {
colorWipe(strip.Color( 0, 0, 0), 10, oneTime);
}
// Set the last-read button state to the old state.
oldState = newState;
oldMode = mode;
delay(5);
}

// Fill strip pixels one after another with a color. Strip is NOT cleared
// first; anything there will be covered pixel by pixel. Pass in color
// (as a single 'packed' 32-bit value, which you can get by calling
// strip.Color(red, green, blue) as shown in the loop() function above),
// and a delay time (in milliseconds) between pixels.
int i = 0;
void colorWipe(uint32_t color, int wait, boolean oneTime) {
if (oneTime == HIGH) {
i = 0;
}
if (i < numPixels) {
//ad one more pixel

strip.setPixelColor(i, color); // Set pixel's color (in RAM)
strip.show(); // Update strip to match
++i;
delay(wait); // Pause for a moment
}
}

long firstPixelHue = 0;
// Rainbow cycle along whole strip. Pass delay time (in ms) between frames.
void rainbow(int wait, boolean oneTime) {
if (oneTime == HIGH) {
firstPixelHue = 0;
i = 0;
}
if (firstPixelHue < 3 * 65536) {
if (i < numPixels) {

// Offset pixel hue by an amount to make one full revolution of the
// color wheel (range of 65536) along the length of the strip
// (strip.numPixels() steps):
int pixelHue = firstPixelHue + (i * 65536L / 500);
// strip.ColorHSV() can take 1 or 3 arguments: a hue (0 to 65535) or
// optionally add saturation and value (brightness) (each 0 to 255).
// Here we're using just the single-argument hue variant. The result
// is passed through strip.gamma32() to provide 'truer' colors
// before assigning to each pixel:
strip.setPixelColor(i, strip.gamma32(strip.ColorHSV(pixelHue)));
++i;
}else{
i = 0;
}
firstPixelHue += 256;
strip.show(); // Update strip with new contents
delay(wait); // Pause for a moment
}else{
firstPixelHue = 0;
}
}