// Bluetooth Hand Flame 3.0
// Vije Miller

#include "FastLED.h"
#define NUM_LEDS 12
CRGB leds[NUM_LEDS];
#define PIN 3

// button
int button = 7;
int state = 0;

// mosfet
int mosfet = 5;
int burn = 1250;

void setup()
{
  Serial.begin(9600);
  FastLED.addLeds<WS2812B, PIN, GRB>(leds, NUM_LEDS).setCorrection( TypicalLEDStrip );
  pinMode(button, INPUT);
  pinMode(mosfet, OUTPUT);
  digitalWrite(mosfet, LOW);
  fire();
  setAll(0, 0, 0);
  showStrip();
}

void loop() {
  if (Serial.available())  {
    char data;
    data = Serial.read();
    if (data == '1') {
      huzzah();
    }
  }
  state = digitalRead(button);
  if (state == LOW) {
    delay(1000);
    huzzah();
  } else {
    digitalWrite(mosfet, LOW);
  }
}

void huzzah() {
  fire();
  digitalWrite(mosfet, HIGH);
  delay(burn);
  digitalWrite(mosfet, LOW);
  setAll(0, 0, 0);
  showStrip();
}

void fire() {
  for (int k = 0; k < 255; k++) {
    setPixel(0, 0, 0, k);
    showStrip();
    k = k + 3;
  }
  for (int k = 0; k < 255; k++) {
    setPixel(11, 0, 0, k);
    setPixel(1, 0, 0, k);
    showStrip();
    k = k + 3;
  }
  for (int k = 0; k < 255; k++) {
    setPixel(10, 0, 0, k);
    setPixel(2, 0, 0, k);
    showStrip();
    k = k + 3;
  }
  for (int k = 0; k < 255; k++) {
    setPixel(9, 0, 0, k);
    setPixel(3, 0, 0, k);
    showStrip();
    k = k + 3;
  }
  for (int k = 0; k < 255; k++) {
    setPixel(8, 0, 0, k);
    setPixel(4, 0, 0, k);
    showStrip();
    k = k + 3;
  }
  for (int k = 0; k < 255; k++) {
    setPixel(7, 0, 0, k);
    setPixel(6, 0, 0, k);
    setPixel(5, 0, 0, k);
    showStrip();
    k = k + 3;
  }
}

void showStrip() {
#ifdef ADAFRUIT_NEOPIXEL_H
  // NeoPixel
  strip.show();
#endif
#ifndef ADAFRUIT_NEOPIXEL_H
  // FastLED
  FastLED.show();
#endif
}

void setPixel(int Pixel, byte red, byte green, byte blue) {
#ifdef ADAFRUIT_NEOPIXEL_H
  // NeoPixel
  strip.setPixelColor(Pixel, strip.Color(red, green, blue));
#endif
#ifndef ADAFRUIT_NEOPIXEL_H
  // FastLED
  leds[Pixel].r = red;
  leds[Pixel].g = green;
  leds[Pixel].b = blue;
#endif
}

void setAll(byte red, byte green, byte blue) {
  for (int i = 0; i < NUM_LEDS; i++ ) {
    setPixel(i, red, green, blue);
  }
  showStrip();
}