//LED library setup
#include "neopixel.h"
#include <math.h>
//capacitive library setup
//#include "captouch.h"
//#define CAPTOUCH_DEBUG

// IMPORTANT: Set pixel COUNT, PIN and TYPE
#define PIXEL_PIN D0
#define PIXEL_COUNT 16
#define PIXEL_TYPE WS2812
Adafruit_NeoPixel strip = Adafruit_NeoPixel(PIXEL_COUNT, PIXEL_PIN, PIXEL_TYPE);

//push button
int buttonPush = A2;
// Pin numbers for vibrating discs
int vib1 = D4;
int vib2 = D5;

// pin number for motor
int Motorpin = D1;

//Levels of counter
int unread = 0;
int timeHeld = 0;
int level1 = 1;
int level2 = 2;
int level3 = 3;

void setup()
{
  //LED setup
  strip.begin();
  //for(i=0; i< strip.numPixels(); i++)
  //strip.setPixelColor(i, 0, 0, 0 );//white
  strip.show(); // Initialize all pixels to 'off'

// Set pins to output, meaning info flows from particle to component (vibrating discs)
pinMode(vib1, OUTPUT);
pinMode(vib2, OUTPUT);
pinMode(Motorpin, OUTPUT);

// Set all outputs to off to begin
digitalWrite(vib1, LOW);
digitalWrite(vib2, LOW);
digitalWrite(Motorpin, LOW);

//listening for IFTTT trigger for Gmail
Particle.variable("unread", &unread, INT);
Particle.subscribe("NewEmail", myHandler);
Serial.begin( 9600 );
Serial.print("startup");
}


void loop()
{
  int buttonState = analogRead(buttonPush);
  delay(50);
  //Serial.print(timeHeld);
  //Serial.print("");
  //Serial.print(buttonState);
  //Serial.print("   ");
  //when button is pressed, reset unread count to zero
if (buttonState <600 ){
  unread = 0;
  Serial.print("reset");
  Serial.print(unread);
  Serial.print("  ");
  //timeHeld is triggered if button is held down for a few seconds
  timeHeld++;
  if (timeHeld > 60){
  timeHeld = 0;
}
}
//when DC motor is running in level 3, analog output of button is different, needs its own if
if (buttonState >2000 ){
  unread = 0;
  Serial.print("reset");
  Serial.print(unread);
  Serial.print("  ");
  timeHeld++;
  if (timeHeld > 60){
  timeHeld = 0;
}
}
if (unread ==0){
  if (timeHeld > 30){
    //if button is held down for a few seconds, turn off the lights
    uint32_t i;
    for(i=0; i< strip.numPixels(); i++)
    strip.setPixelColor(i, 0, 0, 0 );//lights off
    strip.show();
  }else{
  breathe();
  //delay(50);
  digitalWrite(vib1, LOW);
  digitalWrite(vib2, LOW);
  digitalWrite(Motorpin, LOW);

}

}

}


void myHandler(const char *event, const char *data){
unread++;//when handler gets a NewEmail event, increment unread count
//Serial.print("email");
//Serial.print(unread);
checklevelchangestate();
}

//function to change state of cube
void checklevelchangestate(){
Serial.print("checking level");
if ( unread <= level1)
{
  Serial.print("level");
  Serial.print(level1);
  //turn the first level of vibrators
  digitalWrite(vib1, HIGH);

  // Turn on LED to yellow
  uint32_t i;
  for(i=0; i< strip.numPixels(); i++)
  strip.setPixelColor(i, 255, 96, 0 );//yellow
  strip.show();

}else if(unread <= level2){
    Serial.print("level");
    Serial.print(level2);
      // We'll turn the all vibrators
        digitalWrite(vib1, HIGH);
        digitalWrite(vib2, HIGH);

        // Turn on LED to orange
        uint32_t i;
        for(i=0; i< strip.numPixels(); i++)
        strip.setPixelColor(i, 255, 20, 0 );//orange
        strip.show();

}else if(unread <= level3){
    Serial.print("level");
    Serial.print(level3);
      // We'll turn the first level of vibrators
        digitalWrite(vib1, HIGH);
        digitalWrite(vib2, HIGH);
        digitalWrite(Motorpin, HIGH);
          // Turn on LED to red
            uint32_t i;
            for(i=0; i< strip.numPixels(); i++)
            strip.setPixelColor(i, 255, 0, 0 );//red
            strip.show();
}
}


float breathe( ){

  float val = (exp(sin(millis()/2000.0*M_PI)) - 0.36787944)*108.0;
  //Serial.println( val );

  uint16_t i;
  uint32_t c = strip.Color(val, val, val);

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

}