// https://forum.arduino.cc/t/simple-clap-menorah-wiring-guide-arduino-uno/1416384/

#include <FastLED.h> // https://github.com/FastLED/FastLED
#define NUM_LEDS    45      // number of LEDs
#define DATA_PIN    4
#define LED_TYPE    WS2812B // type
#define COLOR_ORDER GRB     // color order (GRB, RGB, BGR)
#define BRIGHTNESS  255     // 0 - 255
#define BUTTON_PIN  2
CRGB                led[NUM_LEDS];

#define BUTTON_PIN 2
int mode, modes = 4, currentButtonRead, lastButtonRead;
unsigned long timer, timeout = 100;
bool currentButtonState;

#define shamash 12 // center light

void setup() {
  Serial.begin(115200);
  pinMode(BUTTON_PIN, INPUT_PULLUP);
  FastLED.addLeds<LED_TYPE, DATA_PIN, COLOR_ORDER>(led, NUM_LEDS);
  FastLED.setBrightness(BRIGHTNESS);
  FastLED.clear(); // LEDs off
  FastLED.show();  // Update LEDs

  led[shamash] = CRGB (255, 255, 255);
  FastLED.show();

  for (byte i = 0; i < NUM_LEDS; i++)
    if (i % 3)
      led[i] = CRGB (0, 0, 255);
    else
      led[i] = CRGB (0, 0, 0);
  FastLED.show();
}

void loop() {
}

void diffuse(byte candle) { // white pixel flicker
  byte i = random (63, 255);
  led[candle] = CRGB(i, i, i);
  FastLED.show();
  delay(random(63, 255));
}

void filloil() { // before lighting, shamash, tonights candle, previous nights

}

void readButton() {
  bool currentButtonRead = digitalRead(BUTTON_PIN);  // read button pin
  if (currentButtonRead != lastButtonRead) {         // if button pin changes...
    timer = millis();                                // ...start a timer
    lastButtonRead = currentButtonRead;              // ... and store current state
  }
  if ((millis() - timer) > timeout) {                           // if button change was longer than debounce timeout
    if (currentButtonState == HIGH && lastButtonRead == LOW) {  // ... and State is "RELEASED" while Button Read is "PRESSED"
      mode++;                                                   // advance the mode
      if (mode > modes)                                         // constrain the mode
        mode = 0;                                               // reset mode count
      currentButtonState = currentButtonRead;                   // update button state
    }
  }
}

/*
  1. Fill shamash with oil and light
  2. Fill right-most candle with oil
  3. Three brachot (prayers) and light candle
  4. Extinguish candles end of evening
  5. Step #1, fill second candle with oil
  6. Two prayers, light newest candle to first candle, Step #4
  7. Shamash, two prayers, 3, 2, 1, Step #6
*/

/* DREIDLE
  # # # 10101 SHIN
  # # # 10101
  # # # 10101
  # # # 10101
  ##### 11111

  ##### 01111 HEY
      # 00001
      # 00001
  #   # 10001
  #   # 10001

  ##### 01111 GIMEL
      # 00001
      # 00001
    ### 00111
      # 00001

    ### 00111 NUN
      # 00001
      # 00001
      # 00001
  ##### 11111
*/

/*
PAUSE = 0
DO_3 = 131
DO_D3 = 139
RE_3 = 147
RE_D3 = 156
MI_3 = 165
FA_3 = 175
FA_D3 = 185
 SOL_3 = 196
SOL_D3 = 208
LA_3 = 220
LA_D3 = 233
SI_3 = 247
 DO_4 = 262
DO_D4 = 277
RE_4 = 294
RE_D4 = 311
MI_4 = 330
FA_4 = 349
FA_D4 = 370
SOL_4 = 392
SOL_D4 = 415
LA_4 = 440
LA_D4 = 466
SI_4 = 494
DO_5 = 523
DO_D5 = 554
RE_5 = 587
RE_D5 = 622
MI_5 = 659
FA_5 = 698
FA_D5 = 740
SOL_5 = 784
SOL_D5 = 831
LA_5 = 880
LA_D5 = 932
SI_5 = 988

maoz_tzur_melody = [
  DO_4, SOL_3, DO_4, FA_4, MI_4, RE_4, DO_4, SOL_4,
  SOL_4, LA_4, RE_4, MI_4, FA_4, MI_4, RE_4, DO_4, DO_4, 
  DO_4, SOL_3, DO_4, FA_4, MI_4, RE_4, DO_4, SOL_4, 
  SOL_4, LA_4, RE_4, MI_4, FA_4, MI_4, RE_4, DO_4, 
  SOL_4, SOL_4, LA_4, SI_4, DO_5, SOL_4,
  DO_5, SI_4, LA_4, SOL_4, SOL_4, FA_4, MI_4, FA_4, RE_4,
  MI_4, FA_4, SOL_4, LA_4, RE_4, MI_4, FA_4,
  MI_4, DO_4, LA_4, SOL_4, FA_4, MI_4, FA_4, SOL_4,
  MI_4, FA_4, SOL_4, LA_4, RE_4, MI_4, FA_4,
  MI_4, DO_4, LA_4, SOL_4, FA_4, MI_4, RE_4, DO_4]
 
maoz_tzur_tempo = [
  4, 4, 4, 4, 4, 4, 3, 8,
  4, 4, 4, 8, 8, 4, 4, 3, 8, 
  4, 4, 4, 4, 4, 4, 3, 8,
  4, 4, 4, 8, 8, 4, 4, 2, 
  3, 8, 4, 4, 2, 2,
  4, 4, 4, 4, 8, 8, 8, 8, 2,
  3, 8, 3, 8, 3, 8, 2,
  4, 4, 4, 8, 8, 4, 4, 2,
  3, 8, 3, 8, 3, 8, 2,
  4, 4, 4, 8, 8, 4, 4, 2]
 
hanerot_halalu_melody = [
  MI_4, MI_4, MI_4, MI_4, MI_4, MI_4, MI_4, 
  MI_4, RE_4, DO_4, RE_4, MI_4, DO_4, SOL_4,
  SOL_4, SOL_4, SOL_4, SOL_4, SOL_4, SOL_4, 
  SOL_4, FA_4, MI_4, FA_4, SOL_4, MI_4,
  SOL_4, DO_5, MI_4, FA_4, SOL_4, SOL_4,
  SOL_4, DO_5, MI_4, FA_4, SOL_4,
  LA_4, SOL_4, FA_4, MI_4, RE_4, SOL_4,
  MI_4, MI_4, RE_4, RE_4, DO_4,
  MI_4, MI_4, MI_4, MI_4,
  MI_4, RE_4, DO_4, RE_4, MI_4, DO_4,
  SOL_4, SOL_4, SOL_4, SOL_4,
  SOL_4, FA_4, MI_4, FA_4, SOL_4, MI_4,
  SOL_4, DO_5, MI_4, FA_4, SOL_4,
  SOL_4, DO_5, MI_4, FA_4, SOL_4,
  LA_4, SOL_4, FA_4, MI_4, RE_4, SOL_4,
  MI_4, RE_4, DO_4]

hanerot_halalu_tempo = [
  8, 4, 6, 16, 4, 6, 16, 
  8, 8, 8, 8, 4, 8, 8,
  4, 6, 16, 4, 6, 16, 
  8, 8, 8, 8, 4, 4,
  8, 8, 8, 8, 3, 8,
  8, 8, 8, 8, 2,
  8, 8, 8, 8, 4, 4,
  8, 8, 8, 8, 2,
  4, 4, 4, 4,
  8, 8, 8, 8, 4, 4,
  4, 4, 4, 4,
  8, 8, 8, 8, 4, 4,
  8, 8, 8, 8, 2,
  8, 8, 8, 8, 2,
  8, 8, 8, 8, 4, 4,
  4, 4, 3]
  
*/