/*  
    CALENDARIO DELL'AVVENTO CON LED NEOPIXEL
    ULTIMA MODIFICA 22/09/2024
    SERTECH 2024

 */


 
#include <FastLED.h>
#include <OneButton.h>

//    Dimensione array
#define numeriCalendario 24
#define dataPin 2
#define numLeds 24
#define maxPower 500
#define ledType WS2812B
#define colorLed GRB
#define brightness 70

CRGB leds[numLeds];
#define ledColor 8

//array iniziale
int posizioneLed[numeriCalendario];
int coloreLed[ledColor];

uint32_t colori[ledColor] = {0xFF0000, 0xFF4500, 0xFFFF00, 0x32CD32, 0x00FFFF, 0x0000FF, 0x800080, 0xDA70D6};
/*  
    Colore 1: RED
    Colore 2: OrangeRed
    Colore 3: Yellow
    Colore 4: LimeGreen
    Colore 5: Cyan
    Colore 6: Blue
    Colore 7: Purple
    Colore 8: Orchid
    
 */

int ledInc = 0;
int coloreInc = 0;
int index = 0;
int indexColore = 0;

#define selButton 3
OneButton btn1(selButton, true);


void setup() {

  Serial.begin(9600);

  //    Popola array
  popolaArray(posizioneLed, numeriCalendario);
  popolaArrayColore(coloreLed, ledColor);

  //    Mescola array
  shuffle(posizioneLed, numeriCalendario);  
  shuffleColor(coloreLed, ledColor);

  //    Stampa array mescolati
  printa(posizioneLed, numeriCalendario);
  printaColor(coloreLed, ledColor);

  FastLED.addLeds<ledType, dataPin, GRB >(leds, numLeds);
  FastLED.setCorrection(TypicalLEDStrip);
  FastLED.setMaxPowerInVoltsAndMilliamps(5, maxPower);
  FastLED.setBrightness(brightness);

  btn1.attachClick(click1);

  pinMode(4, OUTPUT);
  delay(1000);

}

void loop() {
  
  btn1.tick();    
  digitalWrite(4, HIGH);
  
}

 
//********************************* PULSANTE INCREMENTO LED CALENDARIO *********************************//

void click1(){   
  
  if(index > 24){index = 0;}
  digitalWrite(4, LOW);
  ledInc = posizioneLed[index];
  coloreInc = coloreLed[indexColore];
  leds[ledInc-1] = colori[coloreInc-1];
  FastLED.show();
  if (index < 23){
    index++;
    } else {index = 0;}

  if(indexColore < 7){
    indexColore++;
     }else{ indexColore = 0;}
  delay(200);

 }



//********************************* POPOLO ARRAY POSIZIONI LED E COLORI *********************************//

void popolaArray(int *n, const int len){
  for (int i = 0; i < len; i++) {
    n[i] = i+1;
  }
}

void popolaArrayColore(int *n, const int len){
  for (int i = 0; i < len; i++){
    n[i] = i+1;
  }
}


//********************************* STAMPO GLI ARRAY MESCOLATI *********************************//


void printa(int *n, const int len){
  for (int i = 0; i < len; i++) {
    Serial.print(n[i]);
    Serial.print("\t");
  }
  Serial.println(""); 
}


void printaColor(int *n, const int len){
  for (int i = 0; i < len; i++) {
    Serial.print("Colori");
    Serial.print(n[i]);
    Serial.print("\t");
  }
  Serial.println(""); 
}



//********************************* MESCOLO GLI ARRAY LED E COLORI *********************************//

void shuffle(int *n, const int len){
  randomSeed(analogRead(A0));
  for (int i = 0; i < len*3; i++){
    //indice a caso tra 0 e len-2
    int j = random(len-1);
    //scambio gli elementi
    int t = n[j];
    n[j] = n[j+1];
    n[j+1] = t;
  }
}


void shuffleColor(int *n, const int len){
  randomSeed(analogRead(A0));
  for (int u = 0; u < len*2; u++){
    //indice a caso tra 0 e len-2
    int y = random(len-1);
    //scambio gli elementi
    int f = n[y];
    n[y] = n[y+1];
    n[y+1] = f;
  }
}