#include <FastLED.h>

/*==========variables LED*/
constexpr uint8_t NBR_LED = 40;

constexpr uint8_t DATA = 27;
constexpr uint8_t CLOCK = 26;

constexpr uint8_t BRIGHTNESS = 255;

CRGB leds[NBR_LED];

/*===========commutateur ambiance*/
constexpr uint8_t AMBIANCE_CHECK = 22;

/*============on:off*/
constexpr uint8_t ON_CHECK = 23;

/*===========animation aller-retour*/
void loadingAnimation(){
  for(int i = 0; i<NBR_LED; i++){
    leds[i] = CRGB::Green;
    FastLED.show();
    delay(33);
  }
 
  delay(3333);
  
  for(int i = 0; i<=NBR_LED; i++){
    leds[NBR_LED-i] = CRGB::Purple;
    FastLED.show();
    delay(33);
  }   

  delay(3333);
}

/*=============animation shut down*/
void allOff(){
  for(int i = 0; i<NBR_LED; i++){
    leds[NBR_LED-1-i] = CRGB(0,0,0);
    FastLED.show();
    delay(33);
  }  
}

/*=============animation "on voit rien pauv' con <3"*/
void allBright(){
  for(int i = 0; i<NBR_LED; i++){
    leds[i] = CRGB(255,255,200);
    FastLED.show();
    delay(33);
  }  
}

/*==============MAIN EVENT MUAHAHAHA*/
void setup(){
  FastLED.addLeds<APA102, DATA, CLOCK, BGR>(leds, NBR_LED);
  FastLED.setBrightness(BRIGHTNESS);

  FastLED.clear();
  leds[3] = CRGB::Red;
  FastLED.show();
  FastLED.clear();

  pinMode(AMBIANCE_CHECK, INPUT_PULLUP);
  pinMode(ON_CHECK, INPUT_PULLUP);
}

void loop(){
      if(digitalRead(ON_CHECK)==LOW){
        if(digitalRead(AMBIANCE_CHECK)==LOW){
          loadingAnimation();
        }
        else{
          allBright();
        }
      }
      else{
        FastLED.clear();
      }                                                                                                                                                                  
}