#include "Particle.h"
#include "neopixel.h"
#include "OneWire.h"
#include "inttypes.h"
#include "application.h"
#include "spark-dallas-temperature.h"

SYSTEM_MODE(AUTOMATIC);

//Set pixel COUNT, PIN and TYPE
#define PIXEL_PIN A0
#define PIXEL_COUNT 16
#define PIXEL_TYPE WS2812B

Adafruit_NeoPixel strip(PIXEL_COUNT, PIXEL_PIN, PIXEL_TYPE);

//temperature sensor
#define ONE_WIRE_BUS D0
OneWire oneWire(ONE_WIRE_BUS);
DallasTemperature sensors(&oneWire);


// Prototypes for local build, ok to leave in for Build IDE
void coldcycle(uint16_t wait);
void rightblink(uint16_t wait);
void hotblink(uint16_t wait);
uint32_t Wheel(byte WheelPos);
int watertemp;

void setup()
{
  Serial.begin(9600);
  sensors.begin();

  Particle.variable("water temperature", &watertemp, INT);

  strip.begin();
  strip.show(); // Initialize all pixels to 'off'
}

void loop()
{
  sensors.requestTemperatures(); // Send the command to get temperatures
  watertemp = sensors.getTempCByIndex(0);
  Serial.println(watertemp);

  if(watertemp > 37) {
    hotblink(300);
  }else if(watertemp <= 37 && watertemp > 33) {
    rightblink(200);
  }else if(watertemp == -127){ delay(10);
  }else {
    coldcycle(20);
  }

  delay(200);

  /*digitalWrite(motor, HIGH);*/
  /*coldcycle(20);*/
  /*rightblink(100);*/
  /*hotblink(100);*/
}

void coldcycle(uint16_t wait) {
  uint16_t i, j;

  for(j=0; j<256; j++) {
    for(i=0; i<strip.numPixels(); i++) {
      strip.setPixelColor(i, Wheel((i+j) & 255));
    }
    strip.show();
    delay(wait);
  }
}

// Input a value 0 to 255 to get a color value.
// The colours are a transition r - g - b - back to r.
uint32_t Wheel(byte WheelPos) {
  if(WheelPos < 127.5) {
   return strip.Color(WheelPos * 0.9, WheelPos * 0.4, 255);
  } else {
   WheelPos -= 127.5;
   return strip.Color(117.5 - WheelPos * 0.9, 51 - WheelPos * 0.4, 255);
  }
}

void rightblink(uint16_t wait) {
  uint16_t i;
  uint32_t blue = strip.Color(15, 179, 224);
  uint32_t pink = strip.Color(225, 15, 224);
  uint32_t yellow = strip.Color(242, 222, 9);
  const uint32_t colorpool[] = {blue, pink, yellow};

  for(i=0; i<strip.numPixels(); i++) {
    uint32_t randomcolor = colorpool [random (0, 3)];
    strip.setPixelColor(i, randomcolor);
  }
  strip.show();
  delay(wait);
}

void hotblink(uint16_t wait) {
  uint16_t i;
  uint32_t red = strip.Color(255, 0, 0);
  uint32_t orange = strip.Color(255, 85, 0);

  for(i=0; i<strip.numPixels(); i++) {
    strip.setPixelColor(i, orange);
  }
  strip.show();
  delay(wait);

  for(i=0; i<strip.numPixels(); i++) {
    strip.setPixelColor(i, red);
  }
  strip.show();
  delay(wait);

}