#include <FastLED.h>

//defines for millis
const unsigned long eventInterval = 200;
unsigned long previousTime = 0;



// Defines for fast led
#define NUM_LEDS 98
#define DATA_PIN 12

int levelStart = 0;
int levelEnd = 7;

// Button stuff
// constants won't change. They're used here to set pin numbers:
const int buttonPin = 10;  // the number of the pushbutton pin
const int ledPin = 13;    // the number of the LED pin

// Variables will change:
int ledState = LOW;        // the current state of the output pin
int buttonState;            // the current reading from the input pin
int lastButtonState = HIGH;  // the previous reading from the input pin

// the following variables are unsigned longs because the time, measured in
// milliseconds, will quickly become a bigger number than can be stored in an int.
unsigned long lastDebounceTime = 0;  // the last time the output pin was toggled
unsigned long debounceDelay = 50;    // the debounce time; increase if the output flickers

// Define the array of leds
CRGB leds[NUM_LEDS];

int i = levelStart;
bool Direction = false;
/////////////////////////////////////////////////



/////////////////////////////////////////////////

void setup() { 
	Serial.begin(9600);
	Serial.println("Starting Up");
	LEDS.addLeds<WS2811,DATA_PIN,GRB>(leds,NUM_LEDS);
	LEDS.setBrightness(84);
  FastLED.clear();
  //Button.
  pinMode(buttonPin, INPUT);
  pinMode(ledPin, OUTPUT);

  // set initial LED state
  digitalWrite(ledPin, ledState);
  leds[0] = CRGB::Black;
  FastLED.show();
  Serial.println("Running");
}
void loop() {
bigPress();
Next();
drawPlatform();

///////////////////////////////////////////////////

//////////////////////////////////////////////////
} // end main loop


void bigPress(){
  
  // read the state of the switch into a local variable:
  int reading = digitalRead(buttonPin);

  // check to see if you just pressed the button
  // (i.e. the input went from LOW to HIGH), and you've waited long enough
  // since the last press to ignore any noise:

  // If the switch changed, due to noise or pressing:
  if (reading != lastButtonState) {
    // reset the debouncing timer
    lastDebounceTime = millis();
  }

  if ((millis() - lastDebounceTime) > debounceDelay) {
    // whatever the reading is at, it's been there for longer than the debounce
    // delay, so take it as the actual current state:
      
    

    // if the button state has changed:
    if (reading != buttonState) {
      buttonState = reading;

      // only toggle the LED if the new button state is HIGH
      if (buttonState == HIGH) {
        ledState = !ledState;
        
        
      }
    }
  }

  // set the LED:
  digitalWrite(ledPin, ledState);
  
  

  // save the reading. Next time through the loop, it'll be the lastButtonState:
  lastButtonState = reading;
}
void drawPlatform(){

  //sets the clock to a var
  unsigned long currentTime = millis();
	if (i <= levelEnd -1  && currentTime - previousTime >= eventInterval && Direction == false){
    //Serial.println(i);
    leds[i] = CRGB::Green;
    FastLED.show();
    leds[i-2] = CRGB::Black;
    FastLED.show();
    i++;
    previousTime = currentTime; 
    if (i >= levelEnd){
      Direction = true;
    }
  }
  if (i >= levelStart +1 && currentTime - previousTime >= eventInterval && Direction == true){
    //Serial.println(i);
    leds[i-2] = CRGB::Green;
    FastLED.show();
    leds[i] = CRGB::Black;
    FastLED.show();
    i--;
    previousTime = currentTime; 
    if (i <= levelStart +1){
      Direction = false;
    }

	}
}
void Next(){
  if(ledState != buttonState ){
    //Serial.println(ButtonState);
    levelStart = levelStart + 7;
    levelEnd = levelEnd + 7;
    ledState = LOW;
    i = i + 7;
    
  }
}