// Exercise 3

// while button d is pressed:
// - rotate servo to 10 degrees and single blink 1st cell purple
// - rotate servo to 60 degrees and double blink 5th cell deep pink
// - rotate servo to 110 degrees and triple blink 9th cell green yellow
// - rotate servo to 160 degrees and quad blink 13th cell lime

// include servo library for the Servo motor
#include <Servo.h>

// include fastLED library for the NeoPixel ring
#include <FastLED.h>

// define pins numerically
int aled = 11; // amber led
int bled = 10; // blue led
int rled = 9; // red led
int gled = 8; // green led

// define buttons numerically
int butd = 6; // yellow/amber button
int butc = 7; // blue button
int butb = 3; // green button
int buta = 2; // red button

//define servo 
int servoPin = 12;
// define servo motor called myservo
Servo myservo;
// variable to store motor's position (in degrees)
int pos = 0;

void setup() // put your setup code here, to run once:
{
  // all pins connected to leds are outputs
  pinMode(aled, OUTPUT);
  pinMode(bled, OUTPUT);
  pinMode(rled, OUTPUT);
  pinMode(gled, OUTPUT);

  // all pins connected to buttons are inputs
  pinMode(butd, INPUT);
  pinMode(butc, INPUT);
  pinMode(butb, INPUT);
  pinMode(buta, INPUT);

  // serial monitor to print stuff
  Serial.begin(9600);

  //attach servo motor to pin 12
  myservo.attach(servoPin);

}

void loop() // put your main code here, to run repeatedly:
{

  // number of cells = 16 (given)
  // NOTE: use #define or const int
  #define neoNumCells 16

  //define NeoPixel for pin it goes into
  // NOTE: use #define or const int
  #define neoData 13

  // CRGB from library
  // defines array with number of cells in ring
  CRGB NeoArray[neoNumCells];

  //fastLED.addLeds from library
  // < NEOPIXEL , data> (array name , number of cells)
  FastLED.addLeds<NEOPIXEL, neoData>(NeoArray, neoNumCells);

  // while button d is pressed:
  while (digitalRead(butd))
  {
    // rotate servo to 10 degrees and single blink 1st cell purple
    myservo.write(10);
    NeoArray[0] = CRGB::Black;
    FastLED.show();
    delay(1000);
    NeoArray[0] = CRGB::Purple;
    FastLED.show();
    delay(1000); // cells start at 0
    NeoArray[0] = CRGB::Black;
    FastLED.show();
    delay(1000);

    // take a break
    delay(2000);

    // rotate servo to 60 degrees and double blink 5th cell deep pink
    myservo.write(60);
    NeoArray[6] = CRGB::DeepPink; // 5 + 1 bc cells start at 0
    FastLED.show();
    delay(1000);
    NeoArray[6] = CRGB::Black;
    FastLED.show();
    delay(1000);
    NeoArray[6] = CRGB::DeepPink;
    FastLED.show();
    delay(1000);
    NeoArray[6] = CRGB::Black;
    FastLED.show();
    delay(1000);

    // take a break
    delay(1000);

    // rotate servo to 110 degrees and triple blink 9th cell green yellow
    myservo.write(110);
    NeoArray[10] = CRGB::GreenYellow;
    // take a break
    delay(1000);

    // rotate servo to 160 degrees and quad blink 13th cell lime
    myservo.write(160);
    NeoArray[14] = CRGB::Lime;

    // take a break
    delay(1000);

  }

}