#include <Adafruit_NeoPixel.h>
#ifdef __AVR__
#include <avr/power.h> // Required for 16 MHz Adafruit Trinket
#endif
const byte TFS = 7;
const byte BFS = 2;
const byte statusLED = 10;
const byte relay = A5;
byte RelayState;
#define LED_PIN    6
#define LED_COUNT 17
Adafruit_NeoPixel strip(LED_COUNT, LED_PIN, NEO_GRB + NEO_KHZ800);
unsigned long previousMillis = 0;

unsigned long intervalOn = 1 * 1000; // 1 seconds on  life too short!
unsigned long intervalOff = 3 * 1000; // 3 seconds off
unsigned long interval = intervalOn; // start with pump on

boolean status = false; //true = on; false = off

void setup() {
  Serial.begin(9600);
#if defined(__AVR_ATtiny85__) && (F_CPU == 16000000)
  clock_prescale_set(clock_div_1);
#endif
  pinMode (TFS, INPUT_PULLUP);
  pinMode (BFS, INPUT_PULLUP);
  pinMode(relay, OUTPUT);
  pinMode(statusLED, OUTPUT);

  strip.begin();
  strip.show();
  strip.setBrightness(150); // Set BRIGHTNESS to about 1/5 (max = 255)
}

void loop() {
  unsigned long currentMillis = millis();

  delay(50);
  if (!status) {
    if (currentMillis - previousMillis >= intervalOff) {
      previousMillis = currentMillis;
      status = true;
    }
    else {
      status = false;
    }
  }
  else {
    if (currentMillis - previousMillis >= intervalOn) {
      previousMillis = currentMillis;
      status = false;
    }
    else {
      status = true;
    }
  }

  digitalWrite(statusLED, status ? HIGH : LOW);

  if (digitalRead (BFS) == HIGH && digitalRead (TFS) == HIGH) {
    if (status) {
      RelayState = HIGH;
      colorWipe(strip.Color(0,   255,   0), 50); // Green
    }
  }

  if (digitalRead (BFS) == HIGH && digitalRead (TFS) == LOW) {
    if (status) {
      RelayState = HIGH;
      colorWipe(strip.Color(0,   0,   255), 50); // Blue
    }
  }

  if (digitalRead (BFS) == LOW && digitalRead (TFS) == HIGH) {
    RelayState = LOW;
    colorWipe(strip.Color(255,   0,   0), 50); // red
  }

  if (digitalRead (BFS) == LOW && digitalRead (TFS) == LOW) {
    RelayState = LOW;
    colorWipe(strip.Color(255,   0,   0), 50); // red
  }

  digitalWrite(relay, RelayState);
}

void colorWipe(uint32_t color, int wait) {
  static unsigned long lastSaidColor;

  if (color != lastSaidColor) {

    Serial.print("strip ");
    switch (color) {
      case 0xff0000 :
      Serial.println("RED");
      break;
      
      case 0x00ff00 :
      Serial.println("GREEN");
      break;
      
      case 0x0000ff :
      Serial.println("BLUE");
      break;
    
    }

    lastSaidColor = color;
  }
}

void colorWipeX(uint32_t color, int wait) {
  for (int i = 0; i < strip.numPixels(); i++) { // For each pixel in strip...
    strip.setPixelColor(i, color);         //  Set pixel's color (in RAM)
    strip.show();                          //  Update strip to match
    //    delay(wait);                           //  Pause for a moment
  }
}