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

//====== FastLED ========
#define NUM_LEDS 85
#define DATA_PIN 3
CRGB leds[NUM_LEDS];
//=======================

const byte pinEffet1 = 4;
const byte pinEffet2 = 5;
OneButton b1(pinEffet1), b2(pinEffet2);

//================================

// les animations
void noEffectFunc();
void remplirFunc();
void scanFunc();

void (*ptrToAnimation)() = noEffectFunc;


void choixEffet1() {
  ptrToAnimation = remplirFunc;
}
void choixEffet2() {
  ptrToAnimation = scanFunc;
}

void setup() {
  b1.attachClick(choixEffet1);
  b2.attachClick(choixEffet2);
  FastLED.addLeds<NEOPIXEL, DATA_PIN>(leds, NUM_LEDS);
  FastLED.clear(); // éteint toutes les leds

  Serial.begin(115200);
}

void loop() {
  b1.tick();
  b2.tick();
  ptrToAnimation();
}



void noEffectFunc() {
  for (int i; i < NUM_LEDS; i++) {
    leds[i] = CRGB::Black;
  }
  FastLED.show();
}

void remplirFunc() {
  static unsigned long previousMillis_remplir = 0;
  static const long interval_remplir = 200;
  static int State_remplir = 0;

  unsigned long currentMillis_remplir = millis();
  if ((currentMillis_remplir - previousMillis_remplir) >= interval_remplir) {
    switch (State_remplir) {
      case 0:
        FastLED.clear();
        leds[0] = CRGB::Red;
        leds[33] = CRGB::Red;
        leds[34] = CRGB::Red;
        leds[67] = CRGB::Red;
        leds[68] = CRGB::Red;
        State_remplir = 1;
        break;
      case 1:
        leds[1] = CRGB::Red;
        leds[32] = CRGB::Red;
        leds[35] = CRGB::Red;
        leds[66] = CRGB::Red;
        leds[69] = CRGB::Red;
        State_remplir = 2;
        break;
      case 2:
        leds[2] = CRGB::Red;
        leds[31] = CRGB::Red;
        leds[36] = CRGB::Red;
        leds[65] = CRGB::Red;
        leds[70] = CRGB::Red;
        State_remplir = 3;
        break;
      case 3:
        leds[3] = CRGB::Red;
        leds[30] = CRGB::Red;
        leds[37] = CRGB::Red;
        leds[64] = CRGB::Red;
        leds[71] = CRGB::Red;
        State_remplir = 4;
        break;
      case 4:
        leds[4] = CRGB::Red;
        leds[29] = CRGB::Red;
        leds[38] = CRGB::Red;
        leds[63] = CRGB::Red;
        leds[72] = CRGB::Red;
        State_remplir = 5;
        break;
      case 5:
        leds[5] = CRGB::Red;
        leds[28] = CRGB::Red;
        leds[39] = CRGB::Red;
        leds[62] = CRGB::Red;
        leds[73] = CRGB::Red;
        State_remplir = 6;
        break;
      case 6:
        leds[6] = CRGB::Red;
        leds[27] = CRGB::Red;
        leds[40] = CRGB::Red;
        leds[61] = CRGB::Red;
        leds[74] = CRGB::Red;
        State_remplir = 7;
        break;
      case 7:
        leds[7] = CRGB::Red;
        leds[26] = CRGB::Red;
        leds[41] = CRGB::Red;
        leds[60] = CRGB::Red;
        leds[75] = CRGB::Red;
        State_remplir = 8;
        break;
      case 8:
        leds[8] = CRGB::Red;
        leds[25] = CRGB::Red;
        leds[42] = CRGB::Red;
        leds[59] = CRGB::Red;
        leds[76] = CRGB::Red;
        State_remplir = 9;
        break;
      case 9:
        leds[9] = CRGB::Red;
        leds[24] = CRGB::Red;
        leds[43] = CRGB::Red;
        leds[58] = CRGB::Red;
        leds[77] = CRGB::Red;
        State_remplir = 10;
        break;
      case 10:
        leds[10] = CRGB::Red;
        leds[23] = CRGB::Red;
        leds[44] = CRGB::Red;
        leds[57] = CRGB::Red;
        leds[78] = CRGB::Red;
        State_remplir = 11;
        break;
      case 11:
        leds[11] = CRGB::Red;
        leds[22] = CRGB::Red;
        leds[45] = CRGB::Red;
        leds[56] = CRGB::Red;
        leds[79] = CRGB::Red;
        State_remplir = 12;
        break;
      case 12:
        leds[12] = CRGB::Red;
        leds[21] = CRGB::Red;
        leds[46] = CRGB::Red;
        leds[55] = CRGB::Red;
        leds[80] = CRGB::Red;
        State_remplir = 13;
        break;
      case 13:
        leds[13] = CRGB::Red;
        leds[20] = CRGB::Red;
        leds[47] = CRGB::Red;
        leds[54] = CRGB::Red;
        leds[81] = CRGB::Red;
        State_remplir = 14;
        break;
      case 14:
        leds[14] = CRGB::Red;
        leds[19] = CRGB::Red;
        leds[48] = CRGB::Red;
        leds[53] = CRGB::Red;
        leds[82] = CRGB::Red;
        State_remplir = 15;
        break;
      case 15:
        leds[15] = CRGB::Red;
        leds[18] = CRGB::Red;
        leds[49] = CRGB::Red;
        leds[52] = CRGB::Red;
        leds[83] = CRGB::Red;
        State_remplir = 16;
        break;
      case 16:
        leds[16] = CRGB::Red;
        leds[17] = CRGB::Red;
        leds[50] = CRGB::Red;
        leds[51] = CRGB::Red;
        leds[84] = CRGB::Red;
        State_remplir = 17;
        break;
      case 17:
        fill_solid(leds, NUM_LEDS, CRGB::Black);
        previousMillis_remplir = 0;
        State_remplir = 0;
        break;
    }
    FastLED.show();
    previousMillis_remplir = currentMillis_remplir;
  }
}

void scanFunc() {
  static unsigned long previousMillis_scan = 0;
  static const long interval_scan = 200;
  static int State_scan = 0;

  unsigned long currentMillis_scan = millis();
  if ((currentMillis_scan - previousMillis_scan) >= interval_scan) {
    switch (State_scan) {
      case 0:
        FastLED.clear();
        leds[0] = CRGB::Red;
        leds[33] = CRGB::Red;
        leds[34] = CRGB::Red;
        leds[67] = CRGB::Red;
        leds[68] = CRGB::Red;
        State_scan = 1;
        break;
      case 1:
        leds[1] = CRGB::Red;
        leds[32] = CRGB::Red;
        leds[35] = CRGB::Red;
        leds[66] = CRGB::Red;
        leds[69] = CRGB::Red;
        leds[0] = CRGB::Black;
        leds[33] = CRGB::Black;
        leds[34] = CRGB::Black;
        leds[67] = CRGB::Black;
        leds[68] = CRGB::Black;
        State_scan = 2;
        break;
      case 2:
        leds[2] = CRGB::Red;
        leds[31] = CRGB::Red;
        leds[36] = CRGB::Red;
        leds[65] = CRGB::Red;
        leds[70] = CRGB::Red;
        leds[1] = CRGB::Black;
        leds[32] = CRGB::Black;
        leds[35] = CRGB::Black;
        leds[66] = CRGB::Black;
        leds[69] = CRGB::Black;
        State_scan = 3;
        break;
      case 3:
        leds[3] = CRGB::Red;
        leds[30] = CRGB::Red;
        leds[37] = CRGB::Red;
        leds[64] = CRGB::Red;
        leds[71] = CRGB::Red;
        leds[2] = CRGB::Black;
        leds[31] = CRGB::Black;
        leds[36] = CRGB::Black;
        leds[65] = CRGB::Black;
        leds[70] = CRGB::Black;
        State_scan = 4;
        break;
      case 4:
        leds[4] = CRGB::Red;
        leds[29] = CRGB::Red;
        leds[38] = CRGB::Red;
        leds[63] = CRGB::Red;
        leds[72] = CRGB::Red;
        leds[3] = CRGB::Black;
        leds[30] = CRGB::Black;
        leds[37] = CRGB::Black;
        leds[64] = CRGB::Black;
        leds[71] = CRGB::Black;
        State_scan = 5;
        break;
      case 5:
        leds[5] = CRGB::Red;
        leds[28] = CRGB::Red;
        leds[39] = CRGB::Red;
        leds[62] = CRGB::Red;
        leds[73] = CRGB::Red;
        leds[4] = CRGB::Black;
        leds[29] = CRGB::Black;
        leds[38] = CRGB::Black;
        leds[63] = CRGB::Black;
        leds[72] = CRGB::Black;
        State_scan = 6;
        break;
      case 6:
        leds[6] = CRGB::Red;
        leds[27] = CRGB::Red;
        leds[40] = CRGB::Red;
        leds[61] = CRGB::Red;
        leds[74] = CRGB::Red;
        leds[5] = CRGB::Black;
        leds[28] = CRGB::Black;
        leds[39] = CRGB::Black;
        leds[62] = CRGB::Black;
        leds[73] = CRGB::Black;
        State_scan = 7;
        break;
      case 7:
        leds[7] = CRGB::Red;
        leds[26] = CRGB::Red;
        leds[41] = CRGB::Red;
        leds[60] = CRGB::Red;
        leds[75] = CRGB::Red;
        leds[6] = CRGB::Black;
        leds[27] = CRGB::Black;
        leds[40] = CRGB::Black;
        leds[61] = CRGB::Black;
        leds[74] = CRGB::Black;
        State_scan = 8;
        break;
      case 8:
        leds[8] = CRGB::Red;
        leds[25] = CRGB::Red;
        leds[42] = CRGB::Red;
        leds[59] = CRGB::Red;
        leds[76] = CRGB::Red;
        leds[7] = CRGB::Black;
        leds[26] = CRGB::Black;
        leds[41] = CRGB::Black;
        leds[60] = CRGB::Black;
        leds[75] = CRGB::Black;
        State_scan = 9;
        break;
      case 9:
        leds[9] = CRGB::Red;
        leds[24] = CRGB::Red;
        leds[43] = CRGB::Red;
        leds[58] = CRGB::Red;
        leds[77] = CRGB::Red;
        leds[8] = CRGB::Black;
        leds[25] = CRGB::Black;
        leds[42] = CRGB::Black;
        leds[59] = CRGB::Black;
        leds[76] = CRGB::Black;
        State_scan = 10;
        break;
      case 10:
        leds[10] = CRGB::Red;
        leds[23] = CRGB::Red;
        leds[44] = CRGB::Red;
        leds[57] = CRGB::Red;
        leds[78] = CRGB::Red;
        leds[9] = CRGB::Black;
        leds[24] = CRGB::Black;
        leds[43] = CRGB::Black;
        leds[58] = CRGB::Black;
        leds[77] = CRGB::Black;
        State_scan = 11;
        break;
      case 11:
        leds[11] = CRGB::Red;
        leds[22] = CRGB::Red;
        leds[45] = CRGB::Red;
        leds[56] = CRGB::Red;
        leds[79] = CRGB::Red;
        leds[10] = CRGB::Black;
        leds[23] = CRGB::Black;
        leds[44] = CRGB::Black;
        leds[57] = CRGB::Black;
        leds[78] = CRGB::Black;
        State_scan = 12;
        break;
      case 12:
        leds[12] = CRGB::Red;
        leds[21] = CRGB::Red;
        leds[46] = CRGB::Red;
        leds[55] = CRGB::Red;
        leds[80] = CRGB::Red;
        leds[11] = CRGB::Black;
        leds[22] = CRGB::Black;
        leds[45] = CRGB::Black;
        leds[56] = CRGB::Black;
        leds[79] = CRGB::Black;
        State_scan = 13;
        break;
      case 13:
        leds[13] = CRGB::Red;
        leds[20] = CRGB::Red;
        leds[47] = CRGB::Red;
        leds[54] = CRGB::Red;
        leds[81] = CRGB::Red;
        leds[12] = CRGB::Black;
        leds[21] = CRGB::Black;
        leds[46] = CRGB::Black;
        leds[55] = CRGB::Black;
        leds[80] = CRGB::Black;
        State_scan = 14;
        break;
      case 14:
        leds[14] = CRGB::Red;
        leds[19] = CRGB::Red;
        leds[48] = CRGB::Red;
        leds[53] = CRGB::Red;
        leds[82] = CRGB::Red;
        leds[13] = CRGB::Black;
        leds[20] = CRGB::Black;
        leds[47] = CRGB::Black;
        leds[54] = CRGB::Black;
        leds[81] = CRGB::Black;
        State_scan = 15;
        break;
      case 15:
        leds[15] = CRGB::Red;
        leds[18] = CRGB::Red;
        leds[49] = CRGB::Red;
        leds[52] = CRGB::Red;
        leds[83] = CRGB::Red;
        leds[14] = CRGB::Black;
        leds[19] = CRGB::Black;
        leds[48] = CRGB::Black;
        leds[53] = CRGB::Black;
        leds[82] = CRGB::Black;
        State_scan = 16;
        break;
      case 16:
        leds[16] = CRGB::Red;
        leds[17] = CRGB::Red;
        leds[50] = CRGB::Red;
        leds[51] = CRGB::Red;
        leds[84] = CRGB::Red;
        leds[15] = CRGB::Black;
        leds[18] = CRGB::Black;
        leds[49] = CRGB::Black;
        leds[52] = CRGB::Black;
        leds[83] = CRGB::Black;
        State_scan = 17;
        break;
      case 17:
        leds[16] = CRGB::Black;
        leds[17] = CRGB::Black;
        leds[50] = CRGB::Black;
        leds[51] = CRGB::Black;
        leds[84] = CRGB::Black;
        State_scan = 18;
        break;
      case 18:
        fill_solid(leds, NUM_LEDS, CRGB::Black);
        previousMillis_scan = 0;
        State_scan = 0;
        break;
    }
    FastLED.show();
    previousMillis_scan = currentMillis_scan;
  }
}