int whitePin = 10;
int whiteFade = 0;

int leds[10];
int pwms[5];
int pwmLen = 5;

int totalLeds = 10;
// the pin that the array of pins begin on //
int beginPin = 3;
// hold the current pin that is being incremented //
int startPin = 3;

int state_1 = 0;
int prevReading_1 = 0;
int reading_1 = 0;

int state_2 = 0;
int prevReading_2 = 0;
int reading_2 = 0;

int button1 = 1;
int button2 = 5;

long timer = 0;

int blink = 0;

int checkButtsAgain = 0;

void setup() {
  Serial.begin(9600);
  
  leds[0] = 3;
  leds[1] = 4;
  leds[2] = 5;
  leds[3] = 7;
  leds[4] = 6;
  leds[5] = 13;
  leds[6] = 9;
  leds[7] = 8;
  leds[8] = 11;
  leds[9] = 12;
  
  pwms[0] = leds[0];
  pwms[1] = leds[2];
  pwms[2] = leds[4];
  pwms[3] = leds[6];
  pwms[4] = leds[8];
  
  for (int i = 0; i < totalLeds; i++) {
    pinMode(leds[i], OUTPUT);
  }
  pinMode(whitePin, OUTPUT);
  
}

void loop() {
  checkStates();
}

void checkStates() {
  if (state_1 == 0 && state_2 == 0) {
      whiteOff();
      redOff();
  }
  if (state_1 == 1 && state_2 == 0) {
      whiteOff();
      redOn();
  }
  if (state_2 == 1 && state_1 == 0) {
      redQuickOff();
      whiteOn();
      
  }
  if (state_1 == 1 && state_2 == 1) {
    whiteOff();
    blinkEm();
  }
  
}

void redQuickOff() {
  for (int i = 4; i >= 0; i--) {
    analogWrite(pwms[i], 0);
    digitalWrite(pwms[i], LOW);
  }
}

void redOff() {
  for (int i = 4; i >= 0; i--) {
    for (int j = 255; j >= 0; j-=5) {
      analogWrite(pwms[i], j);
      delay(10);
      checkButtons();
    }
    digitalWrite(pwms[i], LOW);
  }
  checkStates();
}
void redOn() {
  for (int i = 0; i < 5; i++) {
    for (int j = 0; j < 255; j+=5) {
      analogWrite(pwms[i], j);
      delay(10);
      checkButtons();
    }
  }
  checkStates();
}
void whiteOn() {
  for (int i = 0; i < 255; i++) {
    analogWrite(whitePin, i);
    delay(20);
    checkButtons();
  }
  for (int i = 255; i > 0; i--) {
    analogWrite(whitePin, i);
    delay(20);
    checkButtons();
  }
  checkStates();

}
void whiteOff() {
  
  analogWrite(whitePin, 0);
  digitalWrite(whitePin, LOW);
}
void blinkEm() {
  if (blink == 1) {
    for (int i = 0; i < 5; i++) {
      analogWrite(pwms[i], 254);
      checkButtons();
    }
    //whiteOff();
    blink = 0;
  } else {
    //redOff();
    //whiteOn();
    for (int i = 0; i < 5; i++) {
    //digitalWrite(leds[i], HIGH);
    //for (int j = 0; j < 255; j+=5) {
      analogWrite(pwms[i], 0);
      //delay(10);
      checkButtons();
    //}
    }
    blink = 1;
  }
}

void checkButtons() {
  reading_1 = analogRead(button1);
  reading_2 = analogRead(button2);
  Serial.print("state_1: ");
  Serial.print(state_1);
  Serial.print(" - ");
  
  Serial.print("state_2: ");
  Serial.print(state_2);
  
  Serial.print("\n");
  if ((reading_1 > 550 && prevReading_1 < 300) || (reading_2 > 550 && prevReading_2 < 300)) {
     // invert states //
     if (reading_1 > 550) {
       if (state_1 == 1) {
         state_1 = 0;
       } else {
         state_1 = 1;
       } 
     }
     
     if (reading_2 > 550) {
       if (state_2 == 1) {
        state_2 = 0;
       } else {
         state_2 = 1;
       } 
     }
     
  }
  prevReading_1 = reading_1;
  prevReading_2 = reading_2;
}