//neopixel flame effect from https://github.com/schnoggo/jack-o-candle
//everything else, do as you wish at your own risk

#define PWM11 11
#define PWM10 10
#define PWM9 9
#define PWM3 3
#define PWM5 5
#define PWM6 6

int fade = 0;
unsigned long ledstringtimer;
unsigned long previousMillis = 0;


int new_brightness = 0;

void setup() {
  Serial.begin(9600);
  ledstringtimer = millis() + 5000;
  randomSeed(analogRead(0));
}

void loop() {
  if (((signed long)(millis() - ledstringtimer)) > 0) {
    long dice = random(1400);
    if (dice > 1200) {
      ledstring11();
    } else if (dice<1200 && dice > 1000) {
      ledstring10();
    } else if (dice<1000 && dice > 800) {
      ledstring9();
    } else if (dice<800 && dice > 600) {
      ledstring3();
    } else if (dice<600 && dice > 200) {
      ledstring5();
    } else if (dice<200) {
      ledstring6();
    }
    ledstringtimer = millis() + random(500,3000);
  }
}

void ledstring11() {
  fade=random(10, 50);
  int fadeValue=0;
  unsigned long currentMillis = millis();
  while (fadeValue <= fade) {
    currentMillis = millis();
    if (currentMillis - previousMillis >= 30) {
      previousMillis = currentMillis;
      fadeValue += 5;
      analogWrite(PWM11, fadeValue);
    }
  }
  while (fadeValue > 0) {
    currentMillis = millis();
    if (currentMillis - previousMillis >= 30) {
      previousMillis = currentMillis;
      fadeValue -= 5;
      analogWrite(PWM11, fadeValue);
    }
  }
}

void ledstring10() {
  fade=random(10, 50);
  int fadeValue=0;
  unsigned long currentMillis = millis();
  while (fadeValue <= fade) {
    currentMillis = millis();
    if (currentMillis - previousMillis >= 30) {
      previousMillis = currentMillis;
      fadeValue += 5;
      analogWrite(PWM10, fadeValue);
    }
  }
  while (fadeValue > 0) {
    currentMillis = millis();
    if (currentMillis - previousMillis >= 30) {
      previousMillis = currentMillis;
      fadeValue -= 5;
      analogWrite(PWM10, fadeValue);
    }
  }
}

void ledstring9() {
  fade=random(10, 50);
  int fadeValue=0;
  unsigned long currentMillis = millis();
  while (fadeValue <= fade) {
    currentMillis = millis();
    if (currentMillis - previousMillis >= 30) {
      previousMillis = currentMillis;
      fadeValue += 5;
      analogWrite(PWM9, fadeValue);
    }
  }
  while (fadeValue > 0) {
    currentMillis = millis();
    if (currentMillis - previousMillis >= 30) {
      previousMillis = currentMillis;
      fadeValue -= 5;
      analogWrite(PWM9, fadeValue);
    }
  }
}

void ledstring3() {
  fade=random(10, 50);
  int fadeValue=0;
  unsigned long currentMillis = millis();
  while (fadeValue <= fade) {
    currentMillis = millis();
    if (currentMillis - previousMillis >= 30) {
      previousMillis = currentMillis;
      fadeValue += 5;
      analogWrite(PWM3, fadeValue);
    }
  }
  while (fadeValue > 0) {
    currentMillis = millis();
    if (currentMillis - previousMillis >= 30) {
      previousMillis = currentMillis;
      fadeValue -= 5;
      analogWrite(PWM3, fadeValue);
    }
  }
}

void ledstring5() {
  fade=random(10, 50);
  int fadeValue=0;
  unsigned long currentMillis = millis();
  while (fadeValue <= fade) {
    currentMillis = millis();
    if (currentMillis - previousMillis >= 30) {
      previousMillis = currentMillis;
      fadeValue += 5;
      analogWrite(PWM5, fadeValue);
    }
  }
  while (fadeValue > 0) {
    currentMillis = millis();
    if (currentMillis - previousMillis >= 30) {
      previousMillis = currentMillis;
      fadeValue -= 5;
      analogWrite(PWM5, fadeValue);
    }
  }
}

void ledstring6() {
  fade=random(10, 50);
  int fadeValue=0;
  unsigned long currentMillis = millis();
  while (fadeValue <= fade) {
    currentMillis = millis();
    if (currentMillis - previousMillis >= 30) {
      previousMillis = currentMillis;
      fadeValue += 5;
      analogWrite(PWM6, fadeValue);
    }
  }
  while (fadeValue > 0) {
    currentMillis = millis();
    if (currentMillis - previousMillis >= 30) {
      previousMillis = currentMillis;
      fadeValue -= 5;
      analogWrite(PWM6, fadeValue);
    }
  }
}