#include <neopixel.h>

int ledPin = D3;
int buttonPin = D4;
bool doLED = false;

int buttonVar =0;
int buttonValue;
bool LEDvar = false;

Servo flowerServo;
int servoPin = D6;
int servoValue = 0;
#define servoMin  0
#define servoMax  125


#define PIXEL_PIN D5
#define PIXEL_COUNT 1 
#define PIXEL_TYPE WS2812B 
Adafruit_NeoPixel flowerLED = Adafruit_NeoPixel( PIXEL_COUNT, PIXEL_PIN, PIXEL_TYPE);
#define PIXEL_PIN_POT D7
#define PIXEL_COUNT_POT 16
#define PIXEL_TYPE_POT WS2812
Adafruit_NeoPixel potLED = Adafruit_NeoPixel(PIXEL_COUNT_POT, PIXEL_PIN_POT, PIXEL_TYPE_POT);
int redValue = 40;
int greenValue = 40;
int blueValue = 40;
bool pulseDirection = true;
int pulseDifference = 0;
int pulseMax = 28;

int test = 0;

void setup() {
    pinMode( buttonPin, INPUT_PULLUP);
    
    flowerServo.attach(servoPin);
    flowerServo.write(servoMin);
    // get servo value based on focusing time
    Particle.subscribe( "servo", servoControl);
    // trigger LED when button is pushed on the other side
    Particle.subscribe( "triggerLED", blinkPotLED);
    Particle.variable(  "servoValue" , &servoValue , INT );
    Particle.variable(  "testValue" , &test , INT );
    
    flowerLED.begin();
    potLED.begin();
    // can be controlled through cloud
    Particle.function("Red_Value", setRedValue);
    Particle.function("Green_Value", setGreenValue);
    Particle.function("Blue_Value", setBlueValue);
    
    //lightup flower LED
    flowerLED.setPixelColor(0, redValue, greenValue, blueValue);
    for(int i=0; i<potLED.numPixels();i++){
        potLED.setPixelColor(i, redValue, greenValue, blueValue);
        //potLED.show();
        test++;
    }
    flowerLED.setPixelColor(0, redValue, greenValue, blueValue);
    flowerLED.show();
    potLED.show();
}

void loop() {

    buttonValue = digitalRead( buttonPin );

    if( buttonValue == LOW ){
        if(servoValue == servoMin){
            servoValue = servoMax;
        }else{
            servoValue = servoMin;
        }
        flowerServo. write(servoValue);
    }
    
    colorPulse(); //for flower tip single pixel, not pot ring
    flowerLED.show();
    for(int i=0; i<potLED.numPixels();i++){
        potLED.setPixelColor(i, redValue, greenValue, blueValue);
        //potLED.show();
    }
    potLED.show();
    delay(1000);

}

// set LED to red
int setRedValue(String command)
{
    // Convert
   redValue = command.toInt();
   flowerLED.setPixelColor(0, redValue, greenValue, blueValue);
   for(int i=0; i<potLED.numPixels();i++){
        potLED.setPixelColor(i, redValue, greenValue, blueValue);
        //potLED.show();
    }
   return 1;
}

// set LED to green
int setGreenValue(String command)
{
    // Convert
   greenValue = command.toInt();
   flowerLED.setPixelColor(0, redValue, greenValue, blueValue);
   for(int i=0; i<potLED.numPixels();i++){
        potLED.setPixelColor(i, redValue, greenValue, blueValue);
        potLED.show();
    }
   return 1;
}

// set LED to blue
int setBlueValue(String command)
{
    // Convert
   blueValue = command.toInt();
   flowerLED.setPixelColor(0, redValue, greenValue, blueValue);
   for(int i=0; i<potLED.numPixels();i++){
        potLED.setPixelColor(i, redValue, greenValue, blueValue);
        potLED.show();
    }
   return 1;
}

// let LED color breathing
void colorPulse(){
    flowerLED.setPixelColor(0, redValue-pulseDifference, greenValue-pulseDifference, blueValue-pulseDifference);
    // for(int i=0; i<PIXEL_COUNT_POT;i++){
    //     potLED.setPixelColor(i, redValue, greenValue, blueValue);
    // }
    
    if(pulseDirection){
        pulseDifference++;
        if(pulseDifference>=pulseMax){
            pulseDirection = !pulseDirection;
        }
    }else{
        pulseDifference--;
        if(pulseDifference <=0){
            pulseDirection = !pulseDirection;
        }
    }
}

// open/close the flower
void servoControl(const char *event, const char *data)
{
   int newPos = String(data).toInt();
   // Make sure it is in the right range
   // And set the position
   servoValue = constrain( newPos, servoMin , servoMax);

   // Set the servo
   flowerServo.write( servoValue );

   // done
   return;
}

// blink LED, respond to pushed button
void blinkPotLED(const char *event, const char *data)
{
    setRedValue("80");
    flowerLED.show();
    delay(5000);
    setRedValue("40");
	
    for(int i=0; i<potLED.numPixels();i++){
        potLED.setPixelColor(i, redValue, greenValue, blueValue);
        potLED.show();
    }
   return;
}