#include <Arduino.h>
#include <IRremote.h>
#include <EEPROM.h>

/*  PINS  */
#define RED_PIN 3
#define GREEN_PIN 6
#define BLUE_PIN 5
#define IR_PIN 7

/*  REMOTE KEYS  */
#define RED_KEY 0xFF906F
#define GREEN_KEY 0xFF10EF
#define BLUE_KEY 0xFF50AF

#define WHITE_KEY 0xFFD02F

#define OFF_KEY 0xFF609F
#define ON_KEY 0xFFE01F

IRrecv irrecv(IR_PIN);
decode_results results;

byte sRed = EEPROM.read(0),
     sGreen = EEPROM.read(1),
     sBlue = EEPROM.read(2);

void setLedColor(byte red, byte green, byte blue)
{
  if (red == 0 && green == 0 && blue == 0)
  {

  } else {
    analogWrite(RED_PIN, red);
    EEPROM.write(0, red);
    analogWrite(GREEN_PIN, green);
    EEPROM.write(1, green);
    analogWrite(BLUE_PIN, blue);
    EEPROM.write(2, blue);
  }
}

void setup()
{
  Serial.begin(9600);
  pinMode(RED_PIN, OUTPUT);
  pinMode(GREEN_PIN, OUTPUT);
  pinMode(BLUE_PIN, OUTPUT);
  irrecv.enableIRIn();
  irrecv.blink13(true);
}

void loop()
{
  if (irrecv.decode(&results))
  {
    switch (results.value)
    {
    case RED_KEY:
      setLedColor(255, 0, 0);
      break;
    case GREEN_KEY:
      setLedColor(0, 255, 0);
      break;
    case BLUE_KEY:
      setLedColor(0, 0, 255);
      break;
    case OFF_KEY:
      setLedColor(0, 0, 0);
      break;
    case ON_KEY:
      setLedColor(sRed, sGreen, sBlue);
      break;
    case WHITE_KEY:
      setLedColor(255, 255, 255);
      break;
    default:
      Serial.println(results.value, HEX);
    }
    irrecv.resume();
  }
}